Latest block on any major EVM chain
Latest block on any major EVM chain: block number, timestamp, age in seconds, base fee and gas used/limit. The cheapest possible liveness and chain-tip check for an agent: confirm a chain is progressing, timestamp an observation, or pick a block for a query.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
336 msmedian answer time
$0.001listed price per call
$0.001price 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://chain.cyberwarex.com/block
| Category | Everything else |
|---|---|
| Provider host | chain.cyberwarex.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 18 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 336 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"chain": "base"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"chain": {
"default": "base",
"description": "EVM chain to query.",
"enum": [
"base",
"ethereum",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"age_seconds": {
"type": "integer"
},
"base_fee_gwei": {
"type": "number"
},
"chain": {
"type": "string"
},
"chain_id": {
"type": "integer"
},
"gas_limit": {
"type": "integer"
},
"gas_used": {
"type": "integer"
},
"hash": {
"type": "string"
},
"number": {
"type": "integer"
},
"timestamp": {
"type": "integer"
},
"tx_count": {
"type": "integer"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}