ProcessOut · OpenAPI Overlay 1.0.0

API Evangelist enhancements for ProcessOut API

3 actions 3 updates update extends openapi/processout-openapi.json
Derived by API Evangelist Built from the contracts ProcessOut publishes. ProcessOut did not publish this file.
View Overlay File View on GitHub Overlay Specification

What the actions change

x-apievangelist-enrichedx-apievangelist-sourcex-authenticationx-idempotency-key-headerx-conventionsx-error-catalogx-decline-codesx-rate-limits

Targets 1

$.info

OpenAPI Overlay

Raw ↑
overlay: 1.0.0
info:
  title: API Evangelist enhancements for ProcessOut API
  version: 1.0.0
extends: openapi/processout-openapi.json
actions:
  - target: $.info
    update:
      x-apievangelist-enriched: '2026-07-20'
      x-apievangelist-source: >-
        Assembled from the per-operation OpenAPI fragments ProcessOut publishes in
        each ReadMe API-reference page (docs.processout.com/reference/*).
      x-authentication: http-basic (project ID + secret key)
      x-idempotency-key-header: Idempotency-Key
  - target: $.info
    update:
      x-conventions: conventions/processout-conventions.yml
      x-error-catalog: errors/processout-problem-types.yml
      x-decline-codes: errors/processout-decline-codes.yml
      x-rate-limits: rate-limits/processout-rate-limits.yml
      x-webhooks: asyncapi/processout-webhooks.yml
      x-sandbox: sandbox/processout-sandbox.yml
  - target: $.info
    update:
      x-agentic-access: agentic-access/processout-agentic-access.yml
      x-mcp-server: https://docs.processout.com/mcp

Work with this as data

Every overlay 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 openapi overlays

4 MCP tools reach this
  • find_overlaysBrowse and filter every overlay in the catalog.
  • 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 overlay
curl "https://apis.io/api/v1/overlays/processout-openapi-overlay"
All openapi overlays
curl "https://apis.io/api/v1/overlays?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

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.