Current Base mainnet block height and base fee per gas in wei, read from the cha
Current Base mainnet block height and base fee per gas in wei, read from the chain at request time
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1477 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://canary-production-f6b6.up.railway.app/v1/base/head
| Category | Everything else |
|---|---|
| Provider host | canary-production-f6b6.up.railway.app |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 1477 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"baseFeePerGas": {
"description": "Base fee per gas of that block, in wei, decimal string",
"type": "string"
},
"blockHeight": {
"description": "Latest block number on Base mainnet, decimal string",
"type": "string"
},
"network": {
"description": "CAIP-2 chain id, always eip155:8453",
"type": "string"
},
"observedAt": {
"description": "ISO 8601 time the chain was read",
"type": "string"
}
},
"required": [
"blockHeight",
"baseFeePerGas",
"network",
"observedAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}