# API Tool Calls Free small tools for people and AI agents: QR codes, barcodes, public captions, résumé skills, page-to-Markdown conversion, SEO checks, data plans and recall notices. Discover tools and call them through MCP, or use the available HTTP routes. ## Tools - [find_data](https://apitoolcalls.com/data-finder/): Get a full free Data Finder plan for up to three sources: fit, cost at your monthly volume, resale terms with recorded clause, URL and read date, and build-it-yourself guidance. No live source lookup. Defaults: volume 0, US, no resale. - [get_transcript](https://apitoolcalls.com/transcript/): Read public YouTube captions as timestamped plain text. Captions only, no video or audio. - [make_barcode](https://apitoolcalls.com/barcode/): Make an SVG barcode. Validates retail check digits and lengths. GS1-128 and GS1 DataMatrix accept bracketed (01)GTIN(17)YYMMDD(10)lot; use make_qr for QR codes. - [make_qr](https://apitoolcalls.com/qr/): Make an SVG QR code for text, a URL, or Wi-Fi network details. - [page_to_markdown](https://apitoolcalls.com/markdown/): Read one public HTML page as clean Markdown with title, headings, lists, tables and absolute links. No logins, paywalls or JavaScript rendering; 2 MB HTML limit. - [read_barcode](https://apitoolcalls.com/barcode-scanner/): Read every barcode in a base64 PNG, JPEG or WebP (or data URL). At most 2 MB decoded and 4000 by 4000 pixels. Returns text, format, corner positions and GS1 product number, expiry and lot when present. - [recall_check](https://apitoolcalls.com/recall-check/): Search local U.S. CPSC data for up to 10 recall notices that may match — check the notice. May not cover every batch or country; read the notice. No CPSC endorsement. - [resume_gap](https://apitoolcalls.com/resume/): Compare résumé skills with Columbus, Ohio job postings. Résumé is not stored; full check and rewrite at https://jobs.cowerx.dev. - [seo_check](https://apitoolcalls.com/seo-checker/): Check one public HTML page with fixed SEO rules. Returns schema 1, score, strengths, ranked fixes and facts. No JavaScript rendering; 10 seconds overall, 2 MB HTML and at most 20 links. Public HTTP/HTTPS ports 80/443 only. ## Connect MCP endpoint: https://apitoolcalls.com/mcp Free: 20 calls a day per IP with no key. Free calls also share a global cap of 2000 calls a day across all users. Per-tool caps across all users: get_transcript: 500 calls a day; page_to_markdown: 1000 calls a day. Resets at midnight UTC. Agent key: https://apitoolcalls.com/key.html — $9.99/mo for 1,000 calls a month. Send Authorization: Bearer to the MCP endpoint.