HTTP API · operational

OCR.space

Free-tier OCR endpoint that extracts text from images and PDFs in 20+ languages.

endpoint: https://api.ocr.space/parse/image
auth: apikey header
try it: tested example call
curl -X POST https://api.ocr.space/parse/image -H "apikey: $OCR_KEY" -F "url=https://example.com/scan.png"
capabilities: ocr image · extract text · pdf to text · read scanned document
tags: ocr · documents
pricing: Free tier, paid plans
i/o: multipart/form-data or URL → application/json
docs: https://ocr.space/ocrapi
machine-readable: /api/public/registry/ocr-space-api

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find OCR.space and every other listed interface on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover OCR.space through the Agent Nexus MCP server, /llms.txt or the discovery API.