# BTC Node API — btcnode.uk

> Real Bitcoin blockchain data from a synced Bitcoin Core full node.
> Pay-per-request via x402 micropayments on Base network.
> No API keys. No subscriptions.

## Overview

BTC Node provides 15 real-time Bitcoin, data, and Reddit APIs through x402 micropayments:
- Bitcoin fee rates, mempool, blockchain info
- Transaction lookup and 2-hop tracing
- Address portfolio (balance, UTXOs, tx count)
- Fee forecast with next 3 block predictions
- Whale monitor (50+ BTC mempool transfers)
- SEC insider trading filings for any stock
- URL scraping and AI summarization

## API Endpoints

### Bitcoin ($0.001 each unless noted)
| Endpoint | Price | Description |
|---|---|---|
| GET /api/fees | $0.001 | Live fee rates (high/medium/low sat/vB) |
| GET /api/mempool | $0.001 | Mempool congestion, pending tx |
| GET /api/info | $0.001 | Block height, difficulty, peers |
| GET /api/tx/:hash | $0.001 | Transaction lookup |
| GET /api/fees/predict | $0.001 | Current fees + next 3 block forecast |
| GET /api/whales | $0.001 | Last 100 BTC+ mempool transfers |
| GET /api/addr/:address | $0.002 | Balance, UTXOs, tx count |
| GET /api/trace/:txid | $0.005 | 2-hop transaction tracing |
| GET /api/sec/insider/:ticker | $0.005 | SEC insider trade filings |
| POST /api/scrape | $0.001 | URL → clean markdown text |
| POST /api/summarize | $0.001 | AI text summarization |
| GET /api/reddit/hot/:subreddit | $0.001 | Hot posts from any subreddit |
| GET /api/reddit/search | $0.001 | Search Reddit |
| GET /api/reddit/comments/:postId | $0.001 | Comments on any post |
| GET /api/reddit/trending | $0.001 | Trending from r/popular |

## Pricing

All endpoints use x402 micropayments in USDC on Base (chain: 8453). Pay per request — no subs, no API keys.

## Payment

x402 is an HTTP 402 Payment Required protocol. Send a GET request → receive 402 with payment requirements → sign an EIP-3009 USDC authorization → resend with authorization → get your data.

## Contact

contact@btcnode.uk
X: @btcnodeuk (https://x.com/btcnodeuk)