Live gas on Ethereum, Base, Arbitrum, Optimism, Polygon — base fee, priority fee tiers, and USD transfer cost, straight from chain RPC.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://md.fastdb.in/pulse/gas' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://md.fastdb.in/pulse/gas'
Endpoint: https://md.fastdb.in/pulse/gas. Operated by md.fastdb.in, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
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