Get payment

GET /v1/partner/payments/:paymentId

{
  "payment_id": "pay_...",
  "merchant_payment_reference": "invoice-1042",
  "end_user_id": "peu_...",
  "status": "in_progress",
  "terminal": false,
  "successful": false,
  "funds_moved": true,
  "payment_instruction": null,
  "next_action": {"type":"wait","instruction":"Payment is being processed.","poll_after_seconds":10},
  "hops": [{"index":0,"type":"off_ramp","status":"in_progress","instruction_available":false,"funds_moved":true}],
  "timeline": [
    {
      "step_id": "step_...",
      "settlement_id": "set_...",
      "hop_index": 0,
      "event": "crypto_received",
      "step_code": "crypto_received",
      "canonical": true,
      "occurred_at": "2026-08-19T08:02:00.000Z",
      "tx_hash": "0x...",
      "detail": "6 USDC received by payment provider. Transaction 0x..."
    }
  ],
  "created_at": "2026-08-19T08:00:00.000Z",
  "updated_at": "2026-08-19T08:02:00.000Z"
}