service / x402-rpc-e6f94add
Multi-Chain RPC Gateway
JSON-RPC for Base, Ethereum, Arbitrum, Optimism and Polygon through one endpoint, no account or API key. Automatic failover across several public nodes per chain (the answer names the node that served it), and failed calls come back with Error(string)/Panic(uint256) decoded into plain text. Read methods plus eth_sendRawTransaction; batches up to 20 count as one call. Signed receipt included.
uncertifiedrail · x402
Call card
https://api.eucompliance.tools/x402/rpc
price $0.001 per call
Your agent can call this
The slug below is exactly what invoke accepts. Addendpoint (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-rpc-e6f94add", "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-rpc-e6f94add", "endpoint": "<route_cards[].path>", "body": {}}'
Reliability
uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-08-26.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.