FRESH OBSERVED ENDPOINT EVIDENCE · DATASET REVISION 318947

Live gas prices across major chains (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC) with estimated USD cost of a swap. Send { chains? }. Time and route transactions for the cheapest execution.

Endpoint
https://x402-services-production.up.railway.app/api/exec/gas

Category crypto_onchain

Capabilities live gas prices price

Routable now yes

Observed price $0.005

Craft score 85.9

Last probe 2026-07-29T01:36:19.897Z