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API ReferenceCheckoutPoll Payment Status

Poll Payment Status

GET/checkout/api/v1/payments/{id}/statusRecommended

Confirmation progress for one payment: status, confirmations against requiredConfirmations (12 on Ethereum mainnet, 128 on Polygon, 3 on Bitcoin, and so on per chain), the transaction hash, and the address the buyer was told to pay. transactionHash stays null until a transaction is matched; paymentAddress is the leased pool address on a direct payment and the treasury wallet on a smart-contract one.

Authentication

Signature Pattern

None โ€” public endpoint, no signature required.
HeaderValueDescription
Acceptapplication/jsonNo API key, signature or idempotency key โ€” the checkout surface is public

Request Parameters

NameTypeRequiredDescription
idstringRequiredPath parameter โ€” payment CUID, from the create-payment response or the invoice status poll

Response Parameters

FieldTypeExample
statusstring"CONFIRMING"
confirmationsinteger7
requiredConfirmationsinteger12
transactionHashstring"0xa4c123b1612dd272d1371c17149d439536b321โ€ฆ
blockchainstring"ethereum"
amountstring"12500"
cryptoCurrencystring"USDT"
paymentAddressstring"0xe58b081006f7e3dfc967a64cb14028d512c9791e"
expiresAtstring"2026-08-26T14:12:00.000Z"

Response Example

JSONResponse
{
  "success": true,
  "data": {
    "status": "CONFIRMING",
    "confirmations": 7,
    "requiredConfirmations": 12,
    "transactionHash": "0xa4c123b1612dd272d1371c17149d439536b3216fdaeeb975729fae923d5a4fd1",
    "blockchain": "ethereum",
    "amount": "12500",
    "cryptoCurrency": "USDT",
    "paymentAddress": "0xe58b081006f7e3dfc967a64cb14028d512c9791e",
    "expiresAt": "2026-08-26T14:12:00.000Z"
  },
  "timestamp": "2026-08-26T13:41:02.477Z",
  "requestId": "req_V1StGXR8_Z5j"
}

Error shape

JSONError
{
  "success": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Resource not found"
  },
  "timestamp": "2026-08-26T13:41:02.477Z",
  "requestId": "req_V1StGXR8_Z5j"
}

Status Codes

200Success
201Created
400Bad Request
401Unauthorized
404Not Found
429Rate Limited
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