RevKeen Docs
Api reference

Create a refund

Initiate a refund for a payment. The refund will be processed through the original payment gateway.

Related endpoints

  • GET /refunds — List refunds
  • GET /refunds/{id} — Get refund by ID

Common errors

  • 400 invalid_request — malformed payload or failed validation.
  • 401 unauthenticated — missing, malformed, or revoked API key.

Idempotency

Pass an Idempotency-Key header (UUID v4 recommended) to make retries safe. Keys are valid for 24 hours; see the idempotency guide.

POST
/refunds

Authorization

x-api-key<token>

Your RevKeen API key (powered by Unkey). Get it from Dashboard > Settings > API Keys. Use rk_sandbox_* for test mode and rk_live_* for production.

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

curl -X POST "https://api.revkeen.com/v2/refunds" \  -H "x-api-key: $REVKEEN_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "payment_id": "660e8400-e29b-41d4-a716-446655440000",    "amount_minor": 5000,    "reason": "customer_request",    "reason_details": "Customer requested refund via support ticket #12345"  }'
{
  "data": {
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "public_id": "ref_abc123xyz",
    "payment_id": "660e8400-e29b-41d4-a716-446655440000",
    "parent_transaction_id": "660e8400-e29b-41d4-a716-446655440000",
    "order_id": null,
    "gateway": "string",
    "gateway_refund_id": "txn_refund_12345",
    "amount_minor": 5000,
    "currency": "USD",
    "reason": "customer_request",
    "reason_details": "Customer changed their mind",
    "status": "succeeded",
    "failure_reason": null,
    "failure_code": null,
    "processed_at": "2024-01-15T10:30:00Z",
    "created_at": "2024-01-14T08:00:00Z"
  }
}
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