service / x402-gas-ae3298d5
Gas Price Tracker
Gas price tracker: live gas and priority fees for Ethereum, Base, Arbitrum, Polygon and Solana in one call, from public nodes. Returns base fee, slow/standard/fast tips, max fee, block congestion, and the USD cost of a transfer, an ERC-20 transfer and a swap, plus the cheapest chain. Optional chain. 0.002 USDC (Base/Polygon/Arbitrum/Solana/Avalanche/Sei). Errors are never charged: 400 bad input, 422 nothing found or target unreachable, 503 busy.
uncertifiedunhealthyrail · x402
Call card
https://x402-seller-pmlm.onrender.com/gas
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-gas-ae3298d5", "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-gas-ae3298d5", "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 2026-10-20 (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.