service / x402-stablecoins-91b92669
Stablecoin Supply Onchain
Use when an agent tracks stablecoin liquidity (mints/burns) as a market signal. Input: optional chain (all, ethereum, base), symbol (USDC). Output: JSON per token and chain totalSupply read onchain, change 24 h / 7 d (absolute and %), per-symbol sums, USD net change and direction, biggest movers, block numbers. Ethereum + Base issuances only. Cached 10 min. Example: ?chain=all
uncertifiedunhealthyrail · x402
Call card
https://1gateway.dev/v1/crypto/stablecoins
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-stablecoins-91b92669", "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-91b92669", "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 30d-
buyers 30d0
last verifiednever
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-11-03 (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.