v2 .2026-03-20

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General Information

Rest APIs

Create Tron Contract Interaction Transaction Request

POST

/vaults/{vaultId}/transaction-requests/contract-interaction

Creates a contract interaction transaction request for TRC20 token operations on the Tron blockchain. Supports two methods — approve, which authorizes a fee-payer address to spend tokens on behalf of the holder, and transferFrom, which moves tokens from the holder to a recipient where the fee-payer covers the TRX gas cost.

Path Parameters

vaultId string Required

Sender's Vault ID.

Query Parameters

context string Optional

In batch situations the user can use the context to correlate responses with requests. This property is present regardless of whether the response was successful or returned as an error. context is specified by the user.

Request Body Schema application/json

context string Optional

data object Required

item object Required

amount string Optional

Required when method is transfer-from.

assetId string Required

TRC20 token Chain Asset ID. Native TRX is not allowed.

feePayer string Required

Address paying the TRX energy/bandwidth fee. Must belong to the same vault and have positive TRX balance.

fromAddress string Required

Holder address (must belong to the vault). For approve it is the on-chain initiator; for transfer-from it is the token holder being debited.

maxFee string Optional

Optional maximum TRX fee for the transaction.

method string Required

Contract interaction method, approve = authorize feePayer to spend tokens on behalf of fromAddress (always uint256.max), transfer-from = feePayer moves tokens from fromAddress to toAddress (requires a prior approve).

note string Required

Transaction note (max 250 characters).

toAddress string Optional

Required when method is transfer-from. Recipient of the tokens.

vaultAccountId string Optional

Unique identifier of the Vault Account.

Response Schema

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

data object Required

item object Required

amountUnit string Required

Token symbol

USDT

assetId string Required

Chain Asset ID of the TRC20 token.

6995822ce883e61317b3d6e8

contractInteractionData object Required

Contract interaction details.

contractAddress string Required

TRC20 token contract address.

TXLAQ63Xg1NAzckPwKHvzw7CSEmLMEqcdj

feePayer string Required

Address paying the TRX gas fee.

TNVVnKu7aAt4zZ5LstHx3B7nfg6xtKggq9

maxFee string Optional

Maximum fee for the transaction.

method string Required

Method invoked on the contract.

transfer-from

note string Required

Transaction note with additional details.

yourAdditionalInformationhere

recipients array Items (object) Required

For approve: a single entry pointing at the token contract address with amount=0. For transfer-from: a single entry with the recipient address and token amount.

address string Required

Destination address (token contract for approve; recipient for transfer-from)

TRQMiKnp2WcJCVbeLwKAAvQAYizsYxpA1P

amount string Required

Defines the amount sent to the destination address (when method is approve amount is 0 ).

amountUnit string Required

Token symbol.

USDT

convertedAmountToUSD string Required

Amount calculated in USD.

senders object Required

Source of the transaction (the token holder address).

address string Required

Sender's address.

TZHvDmEiHBhKt4afaD77hGX38uKM4B8Uyq

totalTransactionAmount string Required

Token amount of the transaction (0 for approve).

transactionRequestId string Required

Represents a unique identifier of the transaction request.

62daacdbc8a7282e9ea01c35

transactionRequestStatus string Required

Defines the status of the transaction, e.g. "created".

created

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

code string Required

Specifies an error code, e.g. error 404.

uri_not_found

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The specified URI has not been found. Check the URI and try again.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

limit_greater_than_allowed

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

You have reached the allowed limit. The maximum number of items for this endpoint is {limit}, please use the specific pagination attributes to get the items in portions.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

invalid_pagination

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The pagination attributes that have been used are invalid. Please check the Documentation to see details on pagination.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

invalid_asset_for_method

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

Native coin (TRX) cannot be used as assetId for this endpoint. Provide a TRC20 token assetId.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

invalid_blockchain_for_endpoint

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The provided asset does not belong to the blockchain supported by this endpoint. The supported blockchain is {blockchain}.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

code string Required

Specifies an error code, e.g. error 404.

missing_api_key

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The specific authorization header (API Key) is missing, please check our Authorization section in our Documentation.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

invalid_api_key

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The provided API key is invalid. Please, generate a new one from your Dashboard.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

code string Required

Specifies an error code, e.g. error 404.

endpoint_not_allowed_for_plan

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

This endpoint is not available for your current subscription plan, please upgrade your plan to be able to use it.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

endpoint_not_allowed_for_api_key

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

This endpoint is not available for your API key.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

feature_mainnets_not_allowed_for_plan

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

Mainnets access is not available for your current subscription plan, please upgrade your plan to be able to use it.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

wallet_as_a_service_provided_network_is_not_suitable_for_this_wallet_type

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

This wallet is not for the provided network.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

fee_payer_not_approved

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

feePayer is not approved by fromAddress for the provided assetId.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

resource_not_found

code string Required

Specifies an error code, e.g. error 404.

resource_not_found

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The specified resource has not been found.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

code string Required

Specifies an error code, e.g. error 404.

invalid_data

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The data provided seems to be invalid.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

double_spending

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

Possible double-spending detected. Reference Transaction Request ID - {matchingTxRequestId}.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

wallet_as_a_service_address_balance_not_enough

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

Your address balance is insufficient to complete this action. Please check for any pending transaction requests or add more funds.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

code string Required

Specifies an error code, e.g. error 404.

already_approved

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

feePayer is already approved by fromAddress for the provided assetId.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

unsupported_media_type

code string Required

Specifies an error code, e.g. error 404.

unsupported_media_type

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The selected Media Type is unavailable. The Content-Type header should be 'application/json'.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

invalid_request_body_structure

code string Required

Specifies an error code, e.g. error 404.

invalid_request_body_structure

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

Your request body for POST requests must have a structure of { data: { item: [...properties] } }

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

request_limit_reached

code string Required

Specifies an error code, e.g. error 404.

request_limit_reached

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

The request limit has been reached. There can be maximum {requests} requests per {seconds} second(s) made. Please contact our team via email if you need more or upgrade your plan.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

apiVersion string Required

Specifies the version of the API that incorporates this endpoint.

2026-03-20

requestId string Required

Defines the ID of the request. The requestId is generated by Vaultody and it's unique for every request.

601c1710034ed6d407996b30

context string Optional

yourExampleString

error object Required

unexpected_server_error

code string Required

Specifies an error code, e.g. error 404.

unexpected_server_error

message string Required

Specifies the message of the error, i.e. why the error was returned, e.g. error 404 stands for “not found”.

An unexpected server error has occurred, we are working to fix this. Please try again later and in case it occurs again please report it to our team via email.

details array Items (object) Optional

attribute string Required

Specifies an attribute of the error by name.

attribute which content caused the error

message string Required

Specifies the details of an attribute as part from the error.

message describing the error

Callback parameters

walletId string Required

Unique identifier of the wallet associated with the transaction.

685121237d7d1e0007ac1a1d

webhookId string Required

Unique identifier of the webhook that triggered this callback.

68516e9c6620b0a4790ed541

idempotencyKey string Required

A unique key used to prevent duplicate processing of this callback if it's sent more than once.

928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9

apiVersion string Required

The version of the API that this webhook callback conforms.

2025-09-23

data object Required

Contains the event type and all related transaction information.

event string Required

Type of webhook event: TRANSACTION_REQUEST indicates a new transaction request has been created and is pending approval or rejection.

TRANSACTION_REQUEST

item object Required

Contains detailed metadata about the outgoing mined transaction

vaultAccountId string Required

The specific vault account id.

69ba58c529eb49000746b311

assetId string Required

The specific asset id.

6913471c6b2794841dc8fb6f

unit string Required

The specific asset unit.

BTC

requestId string Required

A unique identifier for the original transaction request that initiated this outgoing transaction.

686cd2860ca2f4fd25f77099

transactionType string Required

The type of asset being transferred: COIN, TOKEN, LINKING, SMART_COIN, SMART_TOKEN, FREEZE, UNFREEZE, DELEGATE, UNDELEGATE, WITHDRAW_RESOURCE,BATCH.

COIN

walletId string Required

Unique identifier of the wallet associated with the transaction.

685121237d7d1e0007ac1a1d

webhookId string Required

Unique identifier of the webhook that triggered this callback.

68516e9c6620b0a4790ed541

idempotencyKey string Required

A unique key used to prevent duplicate processing of this callback if it's sent more than once.

928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9

apiVersion string Required

The version of the API that this webhook callback conforms.

2025-09-23

data object Required

Contains the event type and all related transaction information.

event string Required

The type of event: TRANSACTION_APPROVED means the transaction has met the required number of approvals and is now eligible to be broadcast to the blockchain.

TRANSACTION_APPROVED

item object Required

Contains detailed metadata about the outgoing mined transaction.

vaultAccountId string Required

The specific vault account id.

69ba58c529eb49000746b311

assetId string Required

The specific asset id.

6913471c6b2794841dc8fb6f

unit string Required

The specific asset unit.

BTC

requestId string Required

A unique identifier for the original transaction request that initiated this outgoing transaction.

686cd2860ca2f4fd25f77099

transactionType string Required

The type of asset being transferred: COIN, TOKEN, LINKING, SMART_COIN, SMART_TOKEN, FREEZE, UNFREEZE, DELEGATE, UNDELEGATE, WITHDRAW_RESOURCE,BATCH.

COIN

requiredApprovals integer Required

Number of required approvals for this transaction to proceed.

requiredRejections integer Required

Number of rejections needed to cancel the transaction.

currentApprovals integer Required

Current number of approvals received for the transaction.

currentRejections integer Required

Current number of rejections received for the transaction.

walletId string Required

Unique identifier of the wallet associated with the transaction.

685121237d7d1e0007ac1a1d

webhookId string Required

Unique identifier of the webhook that triggered this callback.

68516e9c6620b0a4790ed541

idempotencyKey string Required

A unique key used to prevent duplicate processing of this callback if it's sent more than once.

928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9

apiVersion string Required

The version of the API that this webhook callback conforms.

2025-09-23

data object Required

Contains the event type and all related transaction information.

event string Required

The event type - TRANSACTION_REJECTED indicates that the transaction was rejected.

TRANSACTION_REJECTED

item object Required

Contains detailed metadata about the outgoing mined transaction.

vaultAccountId string Required

The specific vault account id.

69ba58c529eb49000746b311

assetId string Required

The specific asset id.

6913471c6b2794841dc8fb6f

unit string Required

The specific asset unit.

BTC

requestId string Required

A unique identifier for the original transaction request that initiated this outgoing transaction.

686cd2860ca2f4fd25f77099

transactionType string Required

The type of asset being transferred: COIN, TOKEN, LINKING, SMART_COIN, SMART_TOKEN, FREEZE, UNFREEZE, DELEGATE, UNDELEGATE, WITHDRAW_RESOURCE,BATCH.

COIN

requiredApprovals integer Required

Number of required approvals for this transaction to proceed.

requiredRejections integer Required

Number of rejections needed to cancel the transaction.

currentApprovals integer Required

Current number of approvals received for the transaction.

currentRejections integer Required

Current number of rejections received for the transaction.

walletId string Required

Unique identifier of the wallet associated with the transaction.

685121237d7d1e0007ac1a1d

webhookId string Required

Unique identifier of the webhook that triggered this callback.

68516e9c6620b0a4790ed541

idempotencyKey string Required

A unique key used to prevent duplicate processing of this callback if it's sent more than once.

928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9

apiVersion string Required

The version of the API that this webhook callback conforms.

2025-09-23

data object Required

Contains the event type and all related transaction information.

event string Required

The name of the event that triggered the webhook. TRANSACTION_BROADCASTED indicates the transaction has been broadcast to the blockchain network, but not yet mined

TRANSACTION_BROADCASTED

item object Required

Contains detailed information about the transaction that was broadcast.

vaultAccountId string Required

The specific vault account id.

69ba58c529eb49000746b311

assetId string Required

The specific asset id.

6913471c6b2794841dc8fb6f

unit string Required

The specific asset unit.

BTC

requestId string Required

A unique identifier for the original transaction request that initiated this outgoing transaction.

686cd2860ca2f4fd25f77099

transactionType string Required

The type of asset being transferred: COIN, TOKEN, LINKING, SMART_COIN, SMART_TOKEN, FREEZE, UNFREEZE, DELEGATE, UNDELEGATE, WITHDRAW_RESOURCE,BATCH.

COIN

requiredApprovals integer Required

Number of required approvals for this transaction to proceed.

requiredRejections integer Required

Number of rejections needed to cancel the transaction.

currentApprovals integer Required

Current number of approvals received for the transaction.

currentRejections integer Required

Current number of rejections received for the transaction.

transactionId string Required

Blockchain-specific transaction hash identifying the mined transaction.

37c2e0696bd86df5010bafa1a4c22ce1b070a8c32126b421ededa0e4efb50623

walletId string Required

Unique identifier of the wallet associated with the transaction.

685121237d7d1e0007ac1a1d

webhookId string Required

Unique identifier of the webhook that triggered this callback.

68516e9c6620b0a4790ed541

idempotencyKey string Required

A unique key used to prevent duplicate processing of this callback if it's sent more than once.

928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9

apiVersion string Required

The version of the API that this webhook callback conforms..

2025-09-23

data object Required

Contains the event type and all related transaction information.

event string Required

Type of event that triggered the webhook. OUTGOING_MINED means an outgoing transaction from the wallet has been mined.

OUTGOING_MINED

item object Required

Contains detailed metadata about the outgoing mined transaction.

vaultAccountId string Required

The specific vault account id.

69ba58c529eb49000746b311

assetId string Required

The specific asset id.

6913471c6b2794841dc8fb6f

unit string Required

The specific asset unit.

BTC

requestId string Required

A unique identifier for the original transaction request that initiated this outgoing transaction.

686cd2860ca2f4fd25f77099

transactionType string Required

The type of asset being transferred: COIN, TOKEN, LINKING, SMART_COIN, SMART_TOKEN, FREEZE, UNFREEZE, DELEGATE, UNDELEGATE, WITHDRAW_RESOURCE, BATCH.

COIN

requiredApprovals integer Required

Number of required approvals for this transaction to proceed.

requiredRejections integer Required

Number of rejections needed to cancel the transaction.

currentApprovals integer Required

Current number of approvals received for the transaction.

currentRejections integer Required

Current number of rejections received for the transaction.

transactionId string Required

Blockchain-specific transaction hash identifying the mined transaction.

37c2e0696bd86df5010bafa1a4c22ce1b070a8c32126b421ededa0e4efb50623

walletId string Required

Unique identifier of the wallet associated with the transaction.

685121237d7d1e0007ac1a1d

webhookId string Required

Unique identifier of the webhook that triggered this callback.

68516e9c6620b0a4790ed541

idempotencyKey string Required

A unique key used to prevent duplicate processing of this callback if it's sent more than once.

928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9

apiVersion string Required

The version of the API that this webhook callback conforms.

2025-09-23

data object Required

Contains the event type and all related transaction information.

event string Required

Name of the webhook event - OUTGOING_MINED_WITH_ERRORS, meaning the transaction was mined but did not succeed.

OUTGOING_MINED_WITH_ERRORS

item object Required

Contains detailed metadata about the outgoing mined transaction.

vaultAccountId string Required

The specific vault account id.

69ba58c529eb49000746b311

assetId string Required

The specific asset id.

6913471c6b2794841dc8fb6f

unit string Required

The specific asset unit.

BTC

requestId string Required

A unique identifier for the original transaction request that initiated this outgoing transaction.

686cd2860ca2f4fd25f77099

transactionType string Required

The type of asset being transferred: COIN or TOKEN.

COIN

requiredApprovals integer Required

Number of required approvals for this transaction to proceed.

requiredRejections integer Required

Number of rejections needed to cancel the transaction.

currentApprovals integer Required

Current number of approvals received for the transaction.

currentRejections integer Required

Current number of rejections received for the transaction.

failedReason string Required

A short explanation of why the transaction failed despite being mined.

Failure

walletId string Required

Unique identifier of the wallet associated with the transaction.

685121237d7d1e0007ac1a1d

webhookId string Required

Unique identifier of the webhook that triggered this callback.

68516e9c6620b0a4790ed541

idempotencyKey string Required

A unique key used to prevent duplicate processing of this callback if it's sent more than once.

928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9

apiVersion string Required

The version of the API that this webhook callback conforms.

2025-09-23

data object Required

Contains the event type and all related transaction information.

event string Required

Event type: OUTGOING_FAILED indicates that an attempted outgoing transaction has failed.

OUTGOING_FAILED

item object Required

Contains detailed metadata about the outgoing mined transaction.

vaultAccountId string Required

The specific vault account id.

69ba58c529eb49000746b311

assetId string Required

The specific asset id.

6913471c6b2794841dc8fb6f

unit string Required

The specific asset unit.

BTC

requestId string Required

A unique identifier for the original transaction request that initiated this outgoing transaction.

686cd2860ca2f4fd25f77099

transactionType string Required

The type of asset being transferred: COIN, TOKEN, LINKING, SMART_COIN, SMART_TOKEN, FREEZE, UNFREEZE, DELEGATE, UNDELEGATE, WITHDRAW_RESOURCE,BATCH.

COIN

requiredApprovals integer Required

Number of required approvals for this transaction to proceed.

requiredRejections integer Required

Number of rejections needed to cancel the transaction.

currentApprovals integer Required

Current number of approvals received for the transaction.

currentRejections integer Required

Current number of rejections received for the transaction.

failedReason string Required

Reason code indicating why the transaction failed.

INSUFFICIENT_FUNDS

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               {
    "context": "yourExampleString",
    "data": {
        "item": {
            "amount": "5",
            "assetId": "6995822ce883e61317b3d6e8",
            "feePayer": "TNVVnKu7aAt4zZ5LstHx3B7nfg6xtKggq9",
            "fromAddress": "TZHvDmEiHBhKt4afaD77hGX38uKM4B8Uyq",
            "maxFee": "3",
            "method": "transfer-from",
            "note": "yourAdditionalInformationhere",
            "toAddress": "TRQMiKnp2WcJCVbeLwKAAvQAYizsYxpA1P",
            "vaultAccountId": "6913471c6b2794841dc8fb81"
        }
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "data": {
        "item": {
            "amountUnit": "USDT",
            "assetId": "6995822ce883e61317b3d6e8",
            "contractInteractionData": {
                "contractAddress": "TXLAQ63Xg1NAzckPwKHvzw7CSEmLMEqcdj"
            },
            "feePayer": "TNVVnKu7aAt4zZ5LstHx3B7nfg6xtKggq9",
            "maxFee": "3",
            "method": "transfer-from",
            "note": "yourAdditionalInformationhere",
            "recipients": [
                {
                    "address": "TRQMiKnp2WcJCVbeLwKAAvQAYizsYxpA1P",
                    "amount": "5",
                    "amountUnit": "USDT",
                    "convertedAmountToUSD": "5"
                }
            ],
            "senders": {
                "address": "TZHvDmEiHBhKt4afaD77hGX38uKM4B8Uyq"
            },
            "totalTransactionAmount": "5",
            "transactionRequestId": "62daacdbc8a7282e9ea01c35",
            "transactionRequestStatus": "created"
        }
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "uri_not_found",
        "message": "The specified URI has not been found. Check the URI and try again.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "limit_greater_than_allowed",
        "message": "You have reached the allowed limit. The maximum number of items for this endpoint is {limit}, please use the specific pagination attributes to get the items in portions.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "invalid_pagination",
        "message": "The pagination attributes that have been used are invalid. Please check the Documentation to see details on pagination.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "invalid_asset_for_method",
        "message": "Native coin (TRX) cannot be used as assetId for this endpoint. Provide a TRC20 token assetId.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "invalid_blockchain_for_endpoint",
        "message": "The provided asset does not belong to the blockchain supported by this endpoint. The supported blockchain is {blockchain}.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "missing_api_key",
        "message": "The specific authorization header (API Key) is missing, please check our Authorization section in our Documentation.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "invalid_api_key",
        "message": "The provided API key is invalid. Please, generate a new one from your Dashboard.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "endpoint_not_allowed_for_plan",
        "message": "This endpoint is not available for your current subscription plan, please upgrade your plan to be able to use it.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "endpoint_not_allowed_for_api_key",
        "message": "This endpoint is not available for your API key.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "feature_mainnets_not_allowed_for_plan",
        "message": "Mainnets access is not available for your current subscription plan, please upgrade your plan to be able to use it.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "wallet_as_a_service_provided_network_is_not_suitable_for_this_wallet_type",
        "message": "This wallet is not for the provided network.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "fee_payer_not_approved",
        "message": "feePayer is not approved by fromAddress for the provided assetId.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "resource_not_found",
        "message": "The specified resource has not been found.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "invalid_data",
        "message": "The data provided seems to be invalid.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "double_spending",
        "message": "Possible double-spending detected. Reference Transaction Request ID - {matchingTxRequestId}.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "wallet_as_a_service_address_balance_not_enough",
        "message": "Your address balance is insufficient to complete this action. Please check for any pending transaction requests or add more funds.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "already_approved",
        "message": "feePayer is already approved by fromAddress for the provided assetId.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "unsupported_media_type",
        "message": "The selected Media Type is unavailable. The Content-Type header should be 'application/json'.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "invalid_request_body_structure",
        "message": "Your request body for POST requests must have a structure of { data: { item: [...properties] } }",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "request_limit_reached",
        "message": "The request limit has been reached. There can be maximum {requests} requests per {seconds} second(s) made. Please contact our team via email if you need more or upgrade your plan.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "apiVersion": "2026-03-20",
    "requestId": "601c1710034ed6d407996b30",
    "context": "yourExampleString",
    "error": {
        "code": "unexpected_server_error",
        "message": "An unexpected server error has occurred, we are working to fix this. Please try again later and in case it occurs again please report it to our team via email.",
        "details": [
            {
                "attribute": "attribute which content caused the error",
                "message": "message describing the error"
            }
        ]
    }
}

{
    "walletId": "685121237d7d1e0007ac1a1d",
    "webhookId": "68516e9c6620b0a4790ed541",
    "idempotencyKey": "928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9",
    "apiVersion": "2025-09-23",
    "data": {
        "event": "TRANSACTION_REQUEST",
        "item": {
            "vaultAccountId": "69ba58c529eb49000746b311",
            "assetId": "6913471c6b2794841dc8fb6f",
            "unit": "BTC",
            "requestId": "686cd2860ca2f4fd25f77099",
            "transactionType": "COIN"
        }
    }
}

{
    "walletId": "685121237d7d1e0007ac1a1d",
    "webhookId": "68516e9c6620b0a4790ed541",
    "idempotencyKey": "928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9",
    "apiVersion": "2025-09-23",
    "data": {
        "event": "TRANSACTION_APPROVED",
        "item": {
            "vaultAccountId": "69ba58c529eb49000746b311",
            "assetId": "6913471c6b2794841dc8fb6f",
            "unit": "BTC",
            "requestId": "686cd2860ca2f4fd25f77099",
            "transactionType": "COIN",
            "requiredApprovals": 1,
            "requiredRejections": 1,
            "currentApprovals": 1,
            "currentRejections": 0
        }
    }
}

{
    "walletId": "685121237d7d1e0007ac1a1d",
    "webhookId": "68516e9c6620b0a4790ed541",
    "idempotencyKey": "928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9",
    "apiVersion": "2025-09-23",
    "data": {
        "event": "TRANSACTION_REJECTED",
        "item": {
            "vaultAccountId": "69ba58c529eb49000746b311",
            "assetId": "6913471c6b2794841dc8fb6f",
            "unit": "BTC",
            "requestId": "686cd2860ca2f4fd25f77099",
            "transactionType": "COIN",
            "requiredApprovals": 1,
            "requiredRejections": 1,
            "currentApprovals": 0,
            "currentRejections": 1
        }
    }
}

{
    "walletId": "685121237d7d1e0007ac1a1d",
    "webhookId": "68516e9c6620b0a4790ed541",
    "idempotencyKey": "928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9",
    "apiVersion": "2025-09-23",
    "data": {
        "event": "TRANSACTION_BROADCASTED",
        "item": {
            "vaultAccountId": "69ba58c529eb49000746b311",
            "assetId": "6913471c6b2794841dc8fb6f",
            "unit": "BTC",
            "requestId": "686cd2860ca2f4fd25f77099",
            "transactionType": "COIN",
            "requiredApprovals": 1,
            "requiredRejections": 1,
            "currentApprovals": 1,
            "currentRejections": 0,
            "transactionId": "37c2e0696bd86df5010bafa1a4c22ce1b070a8c32126b421ededa0e4efb50623"
        }
    }
}

{
    "walletId": "685121237d7d1e0007ac1a1d",
    "webhookId": "68516e9c6620b0a4790ed541",
    "idempotencyKey": "928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9",
    "apiVersion": "2025-09-23",
    "data": {
        "event": "OUTGOING_MINED",
        "item": {
            "vaultAccountId": "69ba58c529eb49000746b311",
            "assetId": "6913471c6b2794841dc8fb6f",
            "unit": "BTC",
            "requestId": "686cd2860ca2f4fd25f77099",
            "transactionType": "COIN",
            "requiredApprovals": 1,
            "requiredRejections": 1,
            "currentApprovals": 1,
            "currentRejections": 0,
            "transactionId": "37c2e0696bd86df5010bafa1a4c22ce1b070a8c32126b421ededa0e4efb50623"
        }
    }
}

{
    "walletId": "685121237d7d1e0007ac1a1d",
    "webhookId": "68516e9c6620b0a4790ed541",
    "idempotencyKey": "928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9",
    "apiVersion": "2025-09-23",
    "data": {
        "event": "OUTGOING_MINED_WITH_ERRORS",
        "item": {
            "vaultAccountId": "69ba58c529eb49000746b311",
            "assetId": "6913471c6b2794841dc8fb6f",
            "unit": "BTC",
            "requestId": "686cd2860ca2f4fd25f77099",
            "transactionType": "COIN",
            "requiredApprovals": 1,
            "requiredRejections": 1,
            "currentApprovals": 1,
            "currentRejections": 0,
            "failedReason": "Failure"
        }
    }
}

{
    "walletId": "685121237d7d1e0007ac1a1d",
    "webhookId": "68516e9c6620b0a4790ed541",
    "idempotencyKey": "928fe1786859b5e33a2f63c569a0351e0c90cbe35bc5a7bb0bb1523cd371dda9",
    "apiVersion": "2025-09-23",
    "data": {
        "event": "OUTGOING_FAILED",
        "item": {
            "vaultAccountId": "69ba58c529eb49000746b311",
            "assetId": "6913471c6b2794841dc8fb6f",
            "unit": "BTC",
            "requestId": "686cd2860ca2f4fd25f77099",
            "transactionType": "COIN",
            "requiredApprovals": 1,
            "requiredRejections": 1,
            "currentApprovals": 1,
            "currentRejections": 0,
            "failedReason": "INSUFFICIENT_FUNDS"
        }
    }
}

Create Tron Contract Interaction Transaction Request

Path Parameters

Query Parameters

Request Body Schema application/json

Response Schema

Callback parameters

Security schema

URL Schema

Request