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BTC Mempool Snapshot
x402
BTC Mempool Snapshot is a paid API for AI agents from payai.agentstools.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns a live Bitcoin mempool snapshot including unconfirmed transaction count, total virtual size, total fees, a fee-rate histogram, and estimated block backlog.
Price / call$0.005
Success—
StatusUnknown
How this service works
Live Bitcoin mempool snapshot: unconfirmed transaction count, total virtual size and total fees, a fee-rate histogram broken into buckets, and an estimated block backlog. Informational, not advice.
Output
A JSON object containing: count of unconfirmed transactions, total virtual size (vbytes) of pending transactions, total fees (satoshis) in the mempool, a fee-rate histogram bucketed by sat/vbyte ranges, and an estimated number of blocks needed to clear the current backlog.
Example use cases
Optimal fee timing for Bitcoin send
“Before I send this Bitcoin payment, can you check the current mempool and tell me what fee rate I should use to get confirmed in the next block or two?”
Mempool congestion alert dashboard
“Pull the live Bitcoin mempool snapshot for me — I want to see unconfirmed tx count, total fees, and the fee-rate histogram to assess how congested the network is right now.”
Block backlog estimation for settlement
“How backed up is the Bitcoin mempool right now? I need to know the estimated block backlog and total virtual size to figure out when a pending payment might settle.”
Technical details
Endpoint
GEThttps://payai.agentstools.dev/btc/mempoolWhen to prefer
Choose this endpoint when you need a structured, machine-readable live snapshot of Bitcoin mempool conditions — including fee histograms and block backlog estimates — in a single low-cost call. Prefer it over block explorer scraping or full-node RPC when you need a clean JSON feed without infrastructure overhead. It is best for fee estimation, congestion monitoring, and settlement timing use cases.
Side effects
- Network or upstream Bitcoin node unavailability returns a 5xx error
- Payment not included or malformed x402 payment header results in 402 response
- Rate limiting may occur on excessive polling, returning 429
- Mempool data may be slightly stale if upstream node is catching up
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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