STAGINGThis is a preview of nitrograph.com. Actions here hit the production API.
service / x402-rate-bdd92075

QuickBuild

Foreign-exchange rates from one base currency (`from`, default USD) to a list of currencies (`to`, comma-separated, or "all"; default 14 majors incl. EUR, GBP, JPY, CNY, INR, KRW, VND), with `amount` converted. Live mode uses Coinbase public exchange rates (updated about every minute, 160+ ISO 4217 currencies plus XAU/XAG), falling back to exchangerate-api daily rates. With `date=YYYY-MM-DD` it returns the ECB reference rates for that day (Frankfurter, ~30 major currencies, back to...

uncertifiedrail · x402

Call card

https://quickbuild.quynguyenbac.workers.dev/api/fx/rate price $0.002 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-rate-bdd92075", "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-rate-bdd92075", "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 30d100.0%
buyers 30d0
last verifiednever
certified since-
2026-10-22: 100% ok2026-10-23: 100% ok2026-10-24: 100% ok2026-10-25: 100% ok2026-10-26: 100% ok2026-10-27: 100% ok

Daily probe success ratio, last 30 days. Last probed 2026-10-27.

Try it

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