B3

B3 X402 Endpoints API

The X402 Endpoints API from B3 — 9 operation(s) for x402 endpoints.

Operations 10

GET /v1/x402-endpoints Get x402 endpoints #
POST /v1/x402-endpoints Create x402 endpoints #
GET /v1/x402-endpoints/by-url Get x402 endpoints by url #
POST /v1/x402-endpoints/execute Create x402 endpoints execute #
POST /v1/x402-endpoints/generate-metadata Create x402 endpoints generate metadata #
POST /v1/x402-endpoints/import Create x402 endpoints import #
POST /v1/x402-endpoints/probe Create x402 endpoints probe #
POST /v1/x402-endpoints/test Create x402 endpoints test #
GET /v1/x402-endpoints/{id} Get x402 endpoints by id #
POST /v1/x402-endpoints/{id}/verify Create x402 endpoints by id verify #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/b3:b3-x402-endpoints-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

b3-x402-endpoints-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: B3 X402 Endpoints API
  version: '1.0'
  description: 'Operations tagged X402 Endpoints across 2 of this provider''s published API definitions: b3-b3os-workflow-openapi.json, b3-b3os-workflow-openapi_2.json. Each path carries the servers of the definition it was published in.'
tags:


# --- truncated at 32 KB (38 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/b3/refs/heads/main/openapi/b3-x402-endpoints-api-openapi.yml