{"slug":"blockrun-ai-api-v1-rpc-ethereum-1b9198","title":"Multi-chain JSON-RPC passthrough fronted by BlockRun, powered by Tatum's gateway","host":"blockrun.ai","method":"POST","resource":"https://blockrun.ai/api/v1/rpc/ethereum","category":"market","description":"Multi-chain JSON-RPC passthrough fronted by BlockRun, powered by Tatum's gateway across 40 chains (Ethereum, Base, Solana, Polygon, BSC, Arbitrum, Optimism, Avalanche, Bitcoin, Sui, and more). One endpoint, every chain, pay-per-call in USDC, no API key. $0.002 per call (or per element of a JSON-RPC ","price_listed":0.003,"price_asked":0.003,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":202,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"bodyFields":{"id":{"description":"JSON-RPC id","type":["string","number"]},"jsonrpc":{"description":"\"2.0\"","type":"string"},"method":{"description":"Chain RPC method, e.g. eth_blockNumber, eth_call, eth_getBalance (EVM) or getSlot, getAccountInfo (Solana).","type":"string"},"params":{"description":"Method-specific params.","type":"array"}},"discoverable":true,"method":"POST","type":"http"},"output_schema":{"properties":{"input":{"properties":{"body":{"properties":{"id":{"description":"JSON-RPC id","type":["string","number"]},"jsonrpc":{"description":"\"2.0\"","type":"string"},"method":{"description":"Chain RPC method, e.g. eth_blockNumber, eth_call, eth_getBalance (EVM) or getSlot, getAccountInfo (Solana).","type":"string"},"params":{"description":"Method-specific params.","type":"array"}},"required":["jsonrpc","id","method"],"type":"object"}},"type":"object"},"output":{"properties":{"example":{"properties":{"id":{"type":["string","number"]},"jsonrpc":{"type":"string"},"result":{"type":"object"}},"type":"object"}},"type":"object"}},"type":"object"},"history":[{"day":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.003,"price_match":true,"latency_ms":202,"error":null}],"description_full":"Multi-chain JSON-RPC passthrough fronted by BlockRun, powered by Tatum's gateway across 40 chains (Ethereum, Base, Solana, Polygon, BSC, Arbitrum, Optimism, Avalanche, Bitcoin, Sui, and more). One endpoint, every chain, pay-per-call in USDC, no API key. $0.002 per call (or per element of a JSON-RPC batch). Network: Ethereum.","last_updated":"2026-10-08T05:32:01.05Z","schemes":["exact"]}