{"slug":"api-x-402-online-v1-chain-gas-023886","title":"Get the current Base gas price and the ETH cost of an ETH, ERC-20 or x402 USDC t","host":"api.x-402.online","method":"GET","resource":"https://api.x-402.online/v1/chain/gas","category":"market","description":"Get the current Base gas price and the ETH cost of an ETH, ERC-20 or x402 USDC transfer at that price. Current Base gas: gas price, base fee, priority fee, and the ETH cost of an ETH transfer, an ERC-20 transfer and an x402 USDC settlement at that price. Query: none.","price_listed":0.001001,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Get the current Base gas price and the ETH cost of an ETH, ERC-20 or x402 USDC transfer at that price. Current Base gas: gas price, base fee, priority fee, and the ETH cost of an ETH transfer, an ERC-20 transfer and an x402 USDC settlement at that price. Query: none.","last_updated":"2026-09-23T18:04:50.165Z","schemes":["exact"]}