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GuidesRecipesAPI Reference
  • API Reference
    • POSTGets USDC/SBC/EuroE on testnets
      • POSTAdd Interac Account
      • POSTCreate Bank Account
      • POSTCreate Bank Account (v2)
      • POSTCreate Debit Card
      • POSTCreate Iban Account
      • POSTCreate Pix Account
      • POSTCreate Transactions
      • DELDelete Withdrawer Bank Account
      • DELDelete Withdrawer Bank Account
      • DELDelete Withdrawer Bank Account
      • DELDelete Withdrawer Bank Account
      • DELDelete Withdrawer Card
      • DELDelete Withdrawer EFT Account
      • DELDelete Withdrawer Iban Account
      • DELDelete Withdrawer Pix Account
      • GETGet Balances
      • POSTGet Message (EVM USDC/SBC/EuroE only)
      • GETGet Quote
      • GETGet Quote Exact Out
      • GETGet Withdrawer
      • GETGet Withdrawer History
      • POSTLink Paypal Account
      • POSTLink Venmo Account
      • POSTRegister Business
      • POSTRegister User
      • POSTRegister User Via Attested KYC
      • POSTRegister User Via Document
      • POSTRegister User Via Share Token
      • POSTSend Gasless Withdraw Transaction (EVM USDC/SBC/EuroE only)
      • POSTValidate KYC Information
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API ReferenceWithdraw

Create Transactions

POST
https://api-sandbox.coinflow.cash/api/withdraw/transaction
POST
/api/withdraw/transaction
$curl -X POST https://api-sandbox.coinflow.cash/api/withdraw/transaction \
>     -H "x-coinflow-auth-wallet: <apiKey>" \
>     -H "Content-Type: application/json" \
>     -d '{
>  "amount": 150.75,
>  "merchantId": "merchant_9f8b7c6d5e4a3b2c1d0e",
>  "speed": "asap",
>  "account": "bank_account_token_1234567890"
>}'
1{
2  "transactions": [
3    "3N5v7Q2xY9bZkL1mPqR8sT4uVwXyZaBcDeFgHiJkLmNoPqRsTuVwXyZ1234567890"
4  ]
5}
Creates the transaction to be signed by the user and sent to the blockchain.
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Built with

Authentication

x-coinflow-auth-walletstring
The web3 wallet of the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key
x-coinflow-auth-blockchainstring
The blockchain associated with the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key
OR
x-coinflow-auth-session-keystring
The session key generated for the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key

Request

This endpoint expects an object.
amountdoubleRequired
merchantIdstringRequired
speedenumRequired
accountstring or objectRequired

One of:

  1. The token of the bank account/card that the user is withdrawing to
  2. An Apple Pay Response Object
tokenobjectOptional
From T, pick a set of properties whose keys are in the union K
evmTransferAuthorizationDataobjectOptional
bankAccountDetailsobjectOptional
addressobjectOptional
userLocationobjectOptional

End-user geographic coordinates captured at the moment of the withdrawal request. Consumed by BlockingRuleMethod.GEOLOCATION enforcement.

Replay-of-different-coords bypass is prevented server-side: the first resolved {country, state} for a given (merchant, user) pair is pinned in Redis, and subsequent requests are evaluated against that pinned value regardless of the lat/lng they submit.

minUsdcobjectOptional

Response

Ok
transactionslist of strings

The transactions to be signed by the user and sent to the blockchain.

Solana - Transactions are base58 encoded. You can reconstruct them by calling Transaction.from(base58.decode(transaction)) Evm - Transactions are JSON stringified. You can reconstruct them by calling JSON.parse(transaction)

Errors

412
Precondition Failed Error
451
Unavailable for Legal Reasons Error

The web3 wallet of the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key

The blockchain associated with the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key

The session key generated for the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key