{"slug":"kr-x402-mvp-kgy5612-workers-dev-crypto-base-rpc-57a74f","title":"Pay-per-call Base mainnet JSON-RPC, no API key, no account","host":"kr-x402-mvp.kgy5612.workers.dev","method":"GET","resource":"https://kr-x402-mvp.kgy5612.workers.dev/crypto/base-rpc","category":"market","description":"Pay-per-call Base mainnet JSON-RPC, no API key, no account: GET ?method=eth_call&params=[...] (params = URL-encoded JSON array) or POST a standard JSON-RPC body. POST a batch of up to 10 calls for ONE $0.002 payment (vs $0.005 per call at other x402 RPC gateways). Read + broadcast methods: eth_block","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":868,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"method":"eth_blockNumber","params":"[]"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{"method":{"description":"JSON-RPC method (default eth_blockNumber)","examples":["eth_blockNumber","eth_getBalance","eth_call"],"type":"string"},"params":{"description":"URL-encoded JSON array of params (default [])","examples":["[]","[\"0xe4be4d0bd82d8e68203deff81f79ede0529f2617\",\"latest\"]"],"type":"string"}},"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":[{"day":"2026-10-31","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":868,"error":null}],"description_full":"Pay-per-call Base mainnet JSON-RPC, no API key, no account: GET ?method=eth_call&params=[...] (params = URL-encoded JSON array) or POST a standard JSON-RPC body. POST a batch of up to 10 calls for ONE $0.002 payment (vs $0.005 per call at other x402 RPC gateways). Read + broadcast methods: eth_blockNumber, eth_chainId, eth_call, eth_estimateGas, eth_getBalance, eth_getTransactionCount, eth_getCode, eth_getStorageAt, eth_getTransactionByHash, eth_getTransactionReceipt, eth_getBlockByNumber,...","last_updated":"2026-10-30T01:31:25.005Z","schemes":["exact"]}