JSON: /api/gas?network=eth
All: /api/gas/all
History: /api/history/eth
Networks: eth, polygon, bsc, arbitrum, optimism, base, avalanche, fantom, gnosis, celo, moonriver, cronos, metis, mantle, linea, scroll, blast, zksync, aurora, harmony, polygon_zkevm, arbitrum_nova, boba, okc, kcc, fuse, velas