CustomJS · OpenAPI Overlay 1.0.0

CustomJS API — API Evangelist enhancements

7 actions 7 updates documentation extends ../openapi/_ae-authored/customjs-space-openapi-generated.yml
Generated by API Evangelist Written by API Evangelist tooling for CustomJS's API. It is a proposal applied on top of the contract, not a document CustomJS publishes.
View Overlay File View on GitHub Overlay Specification

What the actions change

tagsdescriptionx-mcp-tool

Targets 7

$.paths['/html2pdf'].post
$.paths['/ai-scraper'].post
$.paths['/__js1-YOUR_API_KEY'].post
$.paths['/__js1-'].post
$.paths['/pages/api/page'].post
$.paths['/pages/form/submit/a1b2c3d4-XXXX-XXXX-XXXX-XXXXXXXXXXXX'].post
$.paths['/pdf-template/inv_8291_prod'].post

OpenAPI Overlay

Raw ↑ 
overlay: 1.0.0
info:
  title: CustomJS API — API Evangelist enhancements
  version: '2026-11-04'
  x-provenance:
    method: generated
    generated: '2026-11-04'
    source: https://www.customjs.space/integration/mcp
extends: ../openapi/_ae-authored/customjs-space-openapi-generated.yml
actions:
- target: $.paths['/html2pdf'].post
  update:
    tags: [PDF]
    x-mcp-tool: HTML/Markdown to PDF
    description: Generate a PDF from HTML. Exposed to AI agents as the "HTML/Markdown to PDF" tool on the CustomJS MCP server (https://mcp.customjs.space/customjs/mcp).
- target: $.paths['/ai-scraper'].post
  update:
    tags: [Scraping]
    x-mcp-tool: Website Scraping
    description: Extract content and structured data from a web page. Exposed to AI agents as the "Website Scraping" MCP tool.
- target: $.paths['/__js1-YOUR_API_KEY'].post
  update:
    tags: [JavaScript Execution]
    x-mcp-tool: JavaScript Execution
    description: Run custom JavaScript (documented example path; YOUR_API_KEY is a placeholder from the docs). Exposed to AI agents as the "JavaScript Execution" MCP tool.
- target: $.paths['/__js1-'].post
  update:
    tags: [JavaScript Execution]
    description: Run custom JavaScript (inline vs stored function example from the docs; the path suffix is a documentation placeholder).
- target: $.paths['/pages/api/page'].post
  update:
    tags: [HTML Pages]
    description: Publish a static HTML page via the HTML Pages API.
- target: $.paths['/pages/form/submit/a1b2c3d4-XXXX-XXXX-XXXX-XXXXXXXXXXXX'].post
  update:
    tags: [Headless Forms]
    description: Submit to a headless form endpoint (the form id in this path is a documentation placeholder).
- target: $.paths['/pdf-template/inv_8291_prod'].post
  update:
    tags: [PDF]
    description: Render a stored PDF template (the template id in this path is a documentation example).

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/customjs-space-api-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.

GitHub Google LinkedIn

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