service / x402-stablecoins-7c379afe
USDC & EURC Supply and Control
Parameter-free Circle USDC and EURC snapshot on Ethereum, Base and Arbitrum from the token contracts: total supply, 1/7/30-day supply change, 7-day net issuance split CCTP / Gateway / other minters, mint and burn counts, paused flag, implementation and last upgrade, role holders, blacklist count and 30-day changes, last control event. Use to watch stablecoin supply and freeze risk. Refreshed daily; never sold stale. JSON, no API key. $0.01 per call. Blockchain IQ.
uncertifiedunhealthyrail · x402
Call card
https://www.blockchainiq.co/api/x402/v1/stablecoins
price $0.01 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-stablecoins-7c379afe", "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-stablecoins-7c379afe", "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 30d0.0%
buyers 30d0
last verifiednever
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-11-04 (last probe failed).
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.