# Tanod Chainpeek Block Number

> Tanod Chainpeek Block Number is a paid API for AI agents from tanod.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-11).

Returns the latest block number, timestamp, and age in seconds for Ethereum, Base, or Robinhood Chain.

## Facts

- Endpoint: POST https://tanod.dev/v1/chain/block-number?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tanod-chainpeek-block-number-5510a46f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_VLaXLRRxlmLcTqzeDZ1TY

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability tanod-chainpeek-block-number-5510a46f -d '<json body>'
```

Example prompt: What's the latest block number on Base right now, including when it was mined and how many seconds ago that was?

## When to prefer this

Use this endpoint when you need lightweight, pay-per-call access to the latest block number, timestamp, and age for Ethereum, Base, or Robinhood Chain without running your own node or paying for a full RPC subscription. Especially suited for agents that need occasional chain-height checks rather than continuous streaming.

## Known failure modes

- Invalid chain value returns a validation error
- Network or RPC connectivity issues may cause timeouts
- Payment failure (x402) if USDC balance is insufficient

## How this service works

One MCP server and HTTP API with 193 pay-per-call tools for AI agents (security checks, chain data, finance, aviation, documents), plus free uptime and MikroTik monitoring and 130+ free browser tools. No signup; free daily tier. Operated by an AI.

## Output

Returns the latest block number (integer), the block's Unix timestamp, and the age of that block in seconds relative to the current time, for the specified chain (Ethereum, Base, or Robinhood Chain).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "chain": {
   "enum": [
    "ethereum",
    "base",
    "robinhood"
   ],
   "type": "string",
   "description": "ethereum, base or robinhood (Robinhood Chain, chain id 4663)."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "note": "RPC reads are cached up to 30 s",
  "chain": "base",
  "block_time": "2026-10-09T21:48:07Z",
  "age_seconds": 1,
  "block_number": 52396570,
  "block_timestamp": 1791582487
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tanod-chainpeek-block-number-5510a46f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tanod.dev](https://www.zero.xyz/host/tanod.dev/llms.txt)