$ man eth-logs
/eth-logs(1)
PRICE / CALL
$0.01
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
edgemarketCATEGORY
uncategorized
STATUS
● live
NAME
eth-logs — eth_getlogs / on-chain event logs / evm event reader / transfer event scan / erc20 transfer logs / nft mint logs / dex swap events / mult…
SYNOPSIS
POST https://x402.org/v1/eth-logs
Content-Type: application/json
X-PAYMENT: <signed-transferWithAuthorization>
{ ... }↳ first call →
402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.DESCRIPTION
eth_getLogs / on-chain event logs / EVM event reader / Transfer event scan / ERC20 Transfer logs / NFT mint logs / DEX swap events / multi-chain log scanner / log indexer / smart contract event reader. Generic eth_getLogs across Base / Ethereum / Arbitrum / Optimism / Polygon / BSC via public no-auth RPC. Supports address + up to 4 topics (with OR arrays), from/to block range, and a 'last_n_blocks' convenience param. Hard-capped at 5,000 logs and 10,000-block range per call.
INPUT — request schema
| property | type | description | req? |
|---|---|---|---|
| chain | any | Chain id or slug. Default 'base'. Supported: 8453|'base', 1|'ethereum', 42161|'arbitrum', 10|'optimism', 137|'polygon', 56|'bsc'. | optional |
| address | any | Contract address (0x..., string or array of strings). Optional. | optional |
| topics | array | Up to 4 topics. Each element: hex string (32 bytes), array of hex strings (OR-filter), or null (wildcard at that position). | optional |
| from_block | any | Hex string ('0x...'), decimal number, or 'latest'/'earliest'/'pending'/'safe'/'finalized'. | optional |
| to_block | any | Same shape as from_block. Default 'latest'. | optional |
| last_n_blocks | number | Convenience: query the last N blocks. Overrides from/to_block. | optional |
OUTPUT — response shape
| field | type | description |
|---|---|---|
| chain | string | Chain name queried (base, ethereum, arbitrum, optimism, polygon, or bsc). |
| chain_id | string | Numeric EVM chain ID corresponding to the chain that was queried. |
| from_block | string | Starting block number (inclusive) of the scanned range, as a decimal string. |
| to_block | string | Ending block number (inclusive) of the scanned range, as a decimal string. |
| count | string | Number of logs actually returned in this response after the 5,000-log cap. |
| total_count | string | Total logs matched by the filter before the 5,000-log cap was applied. |
| truncated | string | True if results hit the 5,000-log cap and more matching logs exist beyond what's returned. |
| logs | string | Array of raw eth_getLogs entries with address, topics, data, blockNumber, txHash, and logIndex. |
EXAMPLES — two ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.org/v1/eth-logs \
-H 'Content-Type: application/json' \
-d '{ }'first response =
402 Payment Required with payment requirements; sign + retry with X-PAYMENT.EXAMPLE 2 · mcp
# install once claude mcp add x402 --command "npx x402-deployer-mcp" # then ask Claude Code: # "use the eth-logs tool to ..."
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
- tags
- edge-marketeth-getlogsevent-logsevm-rpcerc20-transfersmulti-chainlog-indexeronchain-events
- methods
- POST
- cluster
- edgemarket
- price
- $0.01 USDC per call
ADJACENT — other endpoints in edgemarket
| endpoint | description | price |
|---|---|---|
| contract-source | Verified contract source code / Etherscan source / contract ABI fetcher / Solidity source lookup. | $0.01 |
| contract-source-verified | Verified contract source code / Etherscan source / Basescan ABI / Solidity source lookup / contract verification check / ABI fetcher / Et… | $0.01 |
| dex-liquidity-depth | DEX liquidity depth / pool TVL aggregator / total liquidity per token / on-chain liquidity audit. | $0.01 |
| lp-lock-check | LP lock check / liquidity-lock auditor / Unicrypt + Team Finance + burn-address detection. | $0.01 |
| nft-floor | NFT collection floor + recent sales via Reservoir. | $0.01 |
| agent-card-resolve | Agent card resolver / ERC-8004 Identity Registry lookup / Trustless Agents / agentId → owner + agentURI / A2A identity / agent.json fetch… | $0.005 |
| arbitrage-spread | Cross-exchange arbitrage spread / max-min price / CEX price dispersion / spread % calculator. | $0.005 |
| basename-resolve | Basename resolver / Coinbase Basenames / .base.eth lookup / Base name service / on-chain name resolution. | $0.005 |
SEE ALSO