How settled is Base right now?
How settled is Base right now? Returns the latest and finalized block heights, how many confirmations the finalized head trails by, and both timestamps. Lets an agent decide whether a transaction is safe to treat as done, instead of guessing a confirmation count.
Answeringour last check, 2026-10-02
1 of 1checks answered this week
3051 msmedian answer time
$0.004listed price per call
$0.004price 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
POST https://api.zfinia.com/x402/v1/base-finality-snapshot
| Category | Everything else |
|---|---|
| Provider host | api.zfinia.com |
| 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 |
|---|---|---|---|---|
| 2026-10-02 | valid payment request | 402 | $0.004 | 3051 ms |
Example input (from the provider)
{
"body": {},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"block_hash": {
"description": "Hash of that block.",
"type": "string"
},
"block_number": {
"description": "Decimal block height every value in this response was read at.",
"type": "string"
},
"chain": {
"const": "base"
},
"chain_id": {
"const": 8453
},
"confirmations_behind": {
"type": "string"
},
"finalized_block": {
"type": "string"
},
"finalized_timestamp": {
"type": "integer"
},
"latest_block": {
"type": "string"
},
"latest_timestamp": {
"type": "integer"
},
"request_id": {
"description": "Delivery request identifier; also returned in x-foundry-request-id.",
"type": "string"
},
"rpc_calls": {
"description": "Upstream RPC calls this response cost.",
"type": "integer"
},
"service_id": {
"description": "Canonical service identifier.",
"type": "string"
},
"service_version": {
"description": "Version of the invoked service.",
"type": "string"
}
},
"required": [
"request_id",
"service_id",
"service_version",
"chain",
"chain_id",
"block_number",
"block_hash",
"rpc_calls",
"latest_block",
"finalized_block",
"confirmations_behind",
"latest_timestamp",
"finalized_timestamp"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}