Create a subscription

The method allows you to connect a subscription

Create a subscription

post

Header parameters

x-api-public-keystringOptional

Public API-key

x-api-signaturestringOptional

Signing the request body with a private API-key

Content-typestringOptional

Request content type

Example: application/json

Body

Subscription request body

merchantIdstringRequired

Merchant ID in the system

Example: 386fc09d-b4b8-4081-ae99-bf9710e80239

billingLinkIdstringRequired

Payment link identifier (coins will be debited from the linked address)

Example: 1db0ec64-8a2e-4bec-810a-be4bde21c412

titlestringRequired

Subscription name

Example: Premium

descriptionstringOptional

Subscription Description

Example: Premium subscription. With premium subscription u can use premium functions

spendIntervalintegerRequired

Write-off period in minutes. For convenience, you can specify: -1 - daily write-off; -2 - weekly write-off; -3 - monthly write-off;

Example: -1

currencystringRequired

Payment currency. You can specify a fiat currency or any other, the amount will be automatically converted to the currency of the payment link

Example: USD

amountstringRequired

Payment amount in the specified currency

Example: 7.99

webhookUrlstringOptional

Subscription charge notification URL

Example: https://merchant.domain/webhooks/subscription

Responses

200Success

application/json

Successful response

successbooleanRequired

Request success indicator

post/api-gateway/recurrents/create-subscription

POST /api-gateway/recurrents/create-subscription HTTP/1.1
Host: ocp.onchainpay.io
Content-Type: application/json
Accept: */*
Content-Length: 333

{
  "merchantId": "386fc09d-b4b8-4081-ae99-bf9710e80239",
  "billingLinkId": "1db0ec64-8a2e-4bec-810a-be4bde21c412",
  "title": "Premium",
  "description": "Premium subscription. With premium subscription u can use premium functions",
  "spendInterval": "-1",
  "currency": "USD",
  "amount": "7.99",
  "webhookUrl": "https://merchant.domain/webhooks/subscription"
}

200Success

{
  "success": true,
  "response": {
    "id": "d75a2ecd-ed6b-480a-a337-5836ad64acf7",
    "merchantId": "386fc09d-b4b8-4081-ae99-bf9710e80239",
    "billingLinkId": "1db0ec64-8a2e-4bec-810a-be4bde21c412",
    "title": "Premium",
    "description": "Premium subscription. With premium subscription u can use premium functions",
    "spendInterval": "-1",
    "status": "PENDING",
    "message": null,
    "currency": "USD",
    "amount": "7.99",
    "webhookUrl": "https://merchant.domain/webhooks/subscription",
    "createdAt": "2026-01-29T11:14:13.711Z",
    "updatedAt": "2026-01-29T11:14:13.711Z"
  }
}