Contract event logs on 16 EVM chains from recent blocks, newest first
Contract event logs on 16 EVM chains from recent blocks, newest first: Transfer, Approval and Swap events labelled and filterable by topic and block range.
Not tested: has real-world effectsour last check, 2026-10-21
0 of 0checks answered this week
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Endpoint
GET https://saylorinnovations.com/api/chain/events
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"blocks": "30",
"chain": "base",
"event": "Transfer",
"limit": "5"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "the contract that emitted the events",
"type": "string"
},
"blocks": {
"description": "optional number of recent blocks to scan, 1 to 2000 (default 500)",
"type": "string"
},
"chain": {
"description": "chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id",
"type": "string"
},
"event": {
"description": "optional event name (Transfer, Approval, ApprovalForAll, Deposit, Withdrawal, UniswapV2Swap, UniswapV3Swap, Sync, OwnershipTransferred, Upgraded) or a 0x topic0 hash",
"type": "string"
},
"limit": {
"description": "optional maximum events returned, 1 to 200 (default 50)",
"type": "string"
}
},
"required": [
"chain",
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"description": "contract whose logs were read",
"type": "string"
},
"blocks_scanned": {
"description": "number of blocks scanned",
"type": "number"
},
"chain": {
"description": "the chain name that was queried",
"type": "string"
},
"chain_id": {
"description": "EIP-155 chain id of that network",
"type": "number"
},
"events": {
"description": "matching logs",
"items": {
"properties": {
"amount_raw": {
"description": "amount in base units for Transfer and Approval",
"type": [
"string",
"null"
]
},
"block_number": {
"description": "block of the log",
"type": [
"number",
"null"
]
},
"data": {
"description": "raw log data, null when over 512 bytes",
"type": [
"string",
"null"
]
},
"event": {
"description": "event name when topic0 is a known one",
"type": [
"string",
"null"
]
},
"from_or_owner": {
"description": "first indexed address for Transfer and Approval",
"type": [
"string",
"null"
]
},
"log_index": {
"description": "position among the block's logs",
"type": [
"number",
"null"
]
},
"to_or_spender": {
"description": "second indexed address for Transfer and Approval",
"type": [
"string",
"null"
]
},
"topic0": {
"description": "event signature hash",
"type": [
"string",
"null"
]
},
"topics_hex": {
"description": "up to four raw topics",
"type": [
"array",
"null"
]
},
"tx_hash": {
"description": "transaction that emitted it",
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"from_block": {
"description": "first block scanned",
"type": "number"
},
"matched": {
"description": "logs matching the filter in that range",
"type": "number"
},
"newest_first": {
"description": "true: events are ordered newest first",
"type": "boolean"
},
"note": {
"description": "plain-language reading of the result",
"type": "string"
},
"returned": {
"description": "logs returned in this response",
"type": "number"
},
"source": {
"description": "where the data was read from",
"type": "string"
},
"to_block": {
"description": "last block scanned",
"type": "number"
}
},
"required": [
"chain",
"chain_id",
"address",
"from_block",