---
title: "x402 Complete"
method: POST
path: "/orders/{order_id}/x402/complete"
tags: ["x402"]
---

# x402 Complete

`POST /orders/{order_id}/x402/complete`

x402 payment completion. Public: the PAYMENT-SIGNATURE header is the auth boundary. Without it, returns 402 with a PAYMENT-REQUIRED header.

## Path parameters

- `order_id` string, required

## Headers

- `PAYMENT-SIGNATURE` string

## Response `202`

Payment verified and settling

## Other responses

- `400` — Invalid order id
- `402` — Payment required or invalid
- `404` — Order not found
- `422` — Invalid order status
- `500` — Internal Server Error

---

[API](https://skmtc.net/coinvoyage/apis/coinvoyage-api-v3.md) · [All operations](https://skmtc.net/coinvoyage/apis/coinvoyage-api-v3/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/coinvoyage/coinvoyage-api-v3/versions/d166bf9d9ca2/schema)
