---
title: "Signed attestation over a verified receipt (paid, x402): Ed25519 signature a third party can check offline"
method: POST
path: "/v1/attest"
---

# Signed attestation over a verified receipt (paid, x402): Ed25519 signature a third party can check offline

`POST /v1/attest`

## Request

- Base URL: `https://canon.wallstreet.wiki`
- URL: `https://canon.wallstreet.wiki/v1/attest`
- Auth: none declared

## Request body

- object: A receipt object, or { receipt }

## Response `200`

attestation

## Other responses

- `402`: payment required
- `422`: receipt does not verify

---

[API](https://skmtc.dev/wallstreet/apis/wallstreet-wiki-canon.md) · [All operations](https://skmtc.dev/wallstreet/apis/wallstreet-wiki-canon/llms.txt) · [OpenAPI document](https://skmtc.dev/wallstreet/apis/wallstreet-wiki-canon/revisions/3f3f0dbdfa70?raw)
