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PennyRail Block Number Lookup
x402
PennyRail Block Number Lookup is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Returns the latest block number from the Nano blockchain via a paid settlement endpoint
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-readable settlement service
Output
Returns a JSON object containing the latest (most recent) block number or block height on the Nano blockchain, representing the current chain tip.
Example use cases
Real-time Nano block height monitor
“Check the Nano blockchain and tell me what the latest block number is right now — I want to know how far the chain has progressed.”
Blockchain sync validation check
“What block number is the Nano chain currently at? I need to verify my local node is in sync with the network head.”
Chain activity dashboard update
“Fetch the latest block number from the Nano chain so I can update my dashboard showing live Nano network activity.”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/p/nano/chain.block-number--latest-blockWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call lookup of the current Nano blockchain block height without running your own node. It is ideal for agents or applications that need occasional chain state checks without maintaining infrastructure, and are comfortable with x402 micropayment settlement at $0.001 USDC per call.
Side effects
- Payment not included or invalid x402 payment header — 402 Payment Required
- Nano node unavailable or network error — 503 or timeout response
- Malformed input object — 400 Bad Request
- Rate limiting if payment insufficient — 429 Too Many Requests
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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