EVM block lookup for 16 chains by number, hash or tag
EVM block lookup for 16 chains by number, hash or tag: header, gas used, base fee, miner, size, transaction count and the transaction hashes.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
284 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/chain/block
| 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
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.01 | 284 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"block": "latest",
"chain": "ethereum"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"block": {
"description": "optional block number (decimal or 0x hex), 0x block hash, or latest, safe, finalized (default latest)",
"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"
}
},
"required": [
"chain"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"age_seconds": {
"description": "seconds since the block was produced",
"type": "number"
},
"base_fee_gwei": {
"description": "base fee per gas in gwei",
"type": [
"number",
"null"
]
},
"block_number": {
"description": "block height",
"type": "number"
},
"chain": {
"description": "the chain name that was queried",
"type": "string"
},
"chain_id": {
"description": "EIP-155 chain id of that network",
"type": "number"
},
"fullness_pct": {
"description": "share of the gas limit used",
"type": [
"number",
"null"
]
},
"gas_limit": {
"description": "block gas limit",
"type": "number"
},
"gas_used": {
"description": "gas used by the block",
"type": "number"
},
"hash": {
"description": "block hash",
"type": "string"
},
"miner": {
"description": "fee recipient or validator address",
"type": [
"string",
"null"
]
},
"note": {
"description": "plain-language reading of the result"
},
"parent_hash": {
"description": "hash of the previous block",
"type": "string"
},
"size_bytes": {
"description": "block size in bytes",
"type": [
"number",
"null"
]
},
"source": {
"description": "where the data was read from",
"type": "string"
},
"timestamp": {
"description": "block time in UTC",
"type": "string"
},
"transactions": {
"description": "first 100 transaction hashes",
"type": [
"array",
"null"
]
},
"transactions_truncated": {
"description": "true when more than 100 transactions exist",
"type": "boolean"
},
"tx_count": {
"description": "transactions in the block",
"type": "number"
},
"withdrawals_count": {
"description": "validator withdrawals in the block",
"type": [
"number",
"null"
]
}
},
"required": [
"chain",
"chain_id",
"block_number",
"hash",
"timestamp",
"tx_count",
"source"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}