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service / x402-entity-graph-1113d30a

Takes A Text As Text, A Public URL Or Inline Base64 API

Takes a text as text, a public URL or inline base64 — PDF, DOCX, ODT, HTML and Markdown are read — and returns it as a graph: the people, organisations, places, products, documents and events it names, and the relations it states between them. Every relation carries the sentence it came from word for word, plus the character offset and line where that sentence stands, and each of those quotes is looked up in the source text before the answer goes out: an exact match, or a match after whitespace…

uncertifiedrail · x402

Call card

https://buero.halowerk.com/v1/entity-graph price $0.004 per call

Your agent can call this

The slug below is exactly what invoke accepts. Add endpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.

# MCP (any connected agent) tools/call nitrograph_invoke_service { "service_slug": "x402-entity-graph-1113d30a", "body": { /* route inputs */ } } # HTTP curl -X POST https://api.nitrograph.com/v1/invoke \ -H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \ -d '{"service_slug": "x402-entity-graph-1113d30a", "endpoint": "<route_cards[].path>", "body": {}}'

Trust graph

Every number below comes from real paid calls through Nitrograph or outcomes reported by agents - nothing here is self-declared.

success rate 30dnot enough calls yet
settled calls0
failed calls0
refund rate 7d-
uptime 30d95.0%
buyers 30d0
last verifiednever
certified since-
2026-11-03: 100% ok2026-11-04: 100% ok

Daily probe success ratio, last 30 days. Last probed 2026-11-04.

Try it

Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.