api.nativebtc.org/v1/bitcoin/insight

Unified Bitcoin transaction analysis: fee verdict, mempool state, RBF bump plan, and Core v31 template check.

Endpoint	`https://api.nativebtc.org/v1/bitcoin/insight`
Trust	100% uptime over 1 checks · ~3342 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x0300E73759B357ceeE5A248d1801eCb8abf7A1d4
method	POST
last updated	2026-10-20T03:16:04.024Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.nativebtc.org/v1/bitcoin/insight
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-575d8d76b2c6f29a

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}