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Chain Block Info
x402
Chain Block Info is a paid API for AI agents from chain.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Retrieves block details (timestamp, hash, transaction count, gas used/limit, base fee, proposer) by block number or latest, across Base, Ethereum, Arbitrum, Optimism, Polygon, and BSC.
Price / call$0.01
Success—
StatusUnknown
How this service works
Block by number (or latest): time, hash, transaction count, gas used and limit, base fee, proposer. Default chain Base; prefix another: ethereum:, arbitrum:, optimism:, polygon:, bsc:. $0.01 per call.
Output
Returns a structured object for the requested block containing: block timestamp (Unix time), block hash, number of transactions, gas used, gas limit, base fee per gas, and the proposer/validator address. Defaults to the Base chain unless another chain prefix is specified.
Example use cases
Monitor latest Base block stats
“What does the latest block on Base look like right now — transaction count, gas used, base fee, and who proposed it?”
Look up historical Ethereum block
“Can you pull up the details for Ethereum block 19500000? I need the timestamp, hash, gas used, and the base fee.”
Compare gas usage across chains
“What's the gas used and gas limit in the latest block on Optimism versus Arbitrum?”
Technical details
Endpoint
GEThttps://chain.intel.rallylive.ca/chain/block?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need detailed metadata about a specific block (or the latest block) on any of the supported EVM chains (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC). It is ideal for monitoring block production, inspecting gas conditions at a point in time, verifying block finality, or retrieving proposer information. Prefer it over block-number-only endpoints when you need more than just the latest block number.
Side effects
- Invalid or out-of-range block number returns an error or empty result
- Unsupported chain prefix causes a bad request or unknown chain error
- Network congestion or RPC unavailability may cause timeouts
- Missing or malformed query parameters may return a 400-level error
- Payment not fulfilled (x402) results in a 402 Payment Required response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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