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BTC Fee Rate Lookup via x402 Micropayment
x402
BTC Fee Rate Lookup via x402 Micropayment is a paid API for AI agents from x402helper.xyz, paid per call via x402, $0.006/call, status unknown (last checked 2026-11-07).
Returns current Bitcoin network fee rates via a paid x402 micropayment endpoint costing $0.006 USDC per call.
Price / call$0.006
Success—
StatusUnknown
How this service works
X402 micropayments server — AI agents pay USDC for OFAC screening, rates, and billing verification.
Output
A JSON object containing a 'result' field with current Bitcoin fee rate data (e.g. sat/vbyte tiers for different confirmation speeds) and a 'success' boolean indicating whether the lookup succeeded.
Example use cases
Pre-send BTC fee check
“Before I send this bitcoin transaction, can you look up the current recommended fee rate so I don't overpay or get stuck in the mempool?”
Wallet fee estimation for users
“My app needs to show users the current Bitcoin fee tiers — low, medium, and high priority — can you fetch the latest fee rates right now?”
Crypto payment cost monitoring
“I'm automating bitcoin payments for my business — can you grab the current BTC fee rates so I can decide whether to batch or delay transactions based on network congestion?”
Technical details
Endpoint
GEThttps://x402helper.xyz/89e509/btc/fees?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time Bitcoin fee rate data and are operating in an x402-enabled agent environment that can handle USDC micropayments. It is useful when you want a pay-per-query model without API key management. Prefer alternatives if you need free access, higher call volume, or guaranteed SLAs.
Side effects
- Payment failure: x402 USDC micropayment not completed, returns 402 Payment Required
- Invalid or missing payment header causes authentication rejection
- Network timeout if bitcoin mempool data source is unavailable
- Empty or null result if fee data cannot be fetched from upstream
- Rate limiting if too many requests are made in rapid succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {},
"success": true
}
}Tags
x402
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