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Bitcoin Mempool Size and Backlog
x402
Bitcoin Mempool Size and Backlog is a paid API for AI agents from twin.unykorn.org, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-01).
Returns the current Bitcoin mempool size and transaction backlog, including a payment receipt for the x402 micropayment.
Price / call$0.002
Success—
StatusUnknown
How this service works
Bitcoin mempool size and backlog — Genesis402 / UnyKorn Operator Network
Output
Returns a JSON object with 'ok' status, a type field ('btc-mempool'), the mempool data (size and backlog), a timestamp ('generated_at' in ISO 8601), and a payment receipt containing the transaction hash, USD amount charged, and a unique receipt ID.
Example use cases
Pre-transaction network check
“Before I send this Bitcoin payment, can you check how backed up the mempool is right now so I know if I should set a higher fee?”
Automated fee strategy trigger
“Check the Bitcoin mempool backlog and tell me if congestion is high enough that I should delay my transaction batch until it clears.”
Network health dashboard update
“Pull the latest Bitcoin mempool size and backlog data for my crypto dashboard — I want to show users real-time network congestion status.”
Technical details
Endpoint
POSThttps://twin.unykorn.org/btc-mempool?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, low-cost snapshot of Bitcoin mempool congestion, especially in an agentic workflow that pays per-call via x402 micropayments. Prefer this over running your own Bitcoin node query when you want a hosted, no-setup solution for mempool monitoring or fee estimation heuristics.
Side effects
- Network or upstream Bitcoin node unavailable — returns error or non-ok response
- Payment failure via x402 micropayment protocol — call may not proceed without valid payment
- Stale data if the upstream mempool source is lagging
- Malformed response if the Bitcoin node is syncing or unreachable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| params | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"type": "btc-mempool",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.002,
"receipt_id": "g402-<16hex>"
},
"generated_at": "<iso8601>"
}
}Tags
x402
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