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Approve Transaction For Authenticated User

Changed on

Submit approval signature for a pending transaction. Required for transactions using external signers.

API scope required: wallets:transactions.sign

post/2025-06-09/wallets/me{walletLocator}/transactions/{transactionId}/approvals

Request

  • Base URL: https://staging.crossmint.com/api
  • URL: https://staging.crossmint.com/api/2025-06-09/wallets/me{walletLocator}/transactions/{transactionId}/approvals
  • Auth: none declared. Required headers: X-API-KEY

Path parameters

walletLocatorstring required
transactionIdstring required

Headers

X-API-KEYstring required

API key required for authentication

Request body

Example request

{
  "approvals": [
    {
      "signature": {
        "r": "0x1234...",
        "s": "0x5678..."
      }
    }
  ]
}

Response

The approval has successfully been submitted to the transaction.

OR
OR
OR
OR

Example response

{
  "error": {
    "revert": {
      "type": "contract_call",
      "reason": "ERC20: transfer amount exceeds balance"
    }
  }
}

Changes

  • 3983c72e453aRevision changes
    • info

      removed the astar-zkevm enum value from the // response property for the response status

    • info

      removed the base-goerli enum value from the // response property for the response status

    • info

      removed the coti enum value from the // response property for the response status

    • info

      removed the coti-testnet enum value from the // response property for the response status

    • info

      removed the ethereum-goerli enum value from the // response property for the response status

    • info

      removed the hedera enum value from the // response property for the response status

    • info

      removed the hedera-testnet enum value from the // response property for the response status

    • info

      removed the lightlink enum value from the // response property for the response status

    • info

      removed the lightlink-pegasus enum value from the // response property for the response status

    • info

      removed the mode enum value from the // response property for the response status

    • info

      removed the mode-sepolia enum value from the // response property for the response status

    • info

      removed the optimism-goerli enum value from the // response property for the response status

    • info

      removed the plume enum value from the // response property for the response status

    • info

      removed the plume-testnet enum value from the // response property for the response status

    • info

      removed the polygon-mumbai enum value from the // response property for the response status

    • info

      removed the rari enum value from the // response property for the response status

    • info

      removed the rari-testnet enum value from the // response property for the response status

    • info

      removed the soneium enum value from the // response property for the response status

    • info

      removed the soneium-minato-testnet enum value from the // response property for the response status

    • info

      removed the u2u-nebulas enum value from the // response property for the response status

    • info

      removed the u2u-solaris enum value from the // response property for the response status

    • info

      removed the viction enum value from the // response property for the response status

    • info

      removed the viction-testnet enum value from the // response property for the response status

    • info

      removed the world-chain enum value from the // response property for the response status

    • info

      removed the world-chain-sepolia enum value from the // response property for the response status

    • info

      removed the xai enum value from the // response property for the response status

    • info

      removed the xai-sepolia-testnet enum value from the // response property for the response status

    • info

      removed the zenchain-testnet enum value from the // response property for the response status

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      removed the zkatana enum value from the // response property for the response status

    • info

      removed the zkyoto enum value from the // response property for the response status

    • info

      removed the zora-goerli enum value from the // response property for the response status

  • 19493bf640a4Revision changes
    • warning

      added the new arc enum value to the // response property for the response status

    • warning

      added the new celo enum value to the // response property for the response status

    • warning

      added the new celo-sepolia enum value to the // response property for the response status