Provides access to 31 Bitcoin data and intelligence endpoints, including real-time mempool status, fee predictions, whale alerts, and risk scoring for Bitcoin addresses.
Integrates with Coinbase as a facilitator for fee-free x402 micropayments on the Base network to access data endpoints.
Utilizes the Solana network to process NLx402 micropayments for pay-per-query access to Bitcoin intelligence and data services.
BTCFi API
Bitcoin Data & Intelligence for AI Agents
Live at btcfi.aiindigo.com · Built by AI Indigo · GitHub
BTCFi API provides 33 endpoints across Bitcoin, Ethereum, and Solana — accessible via x402 micropayments. Pay $0.01–$0.05 per query in USDC — no API keys, no subscriptions.
Free for Humans
No payments, no signup, no API keys. Just open Telegram.
@BTC_Fi_Bot — 15 commands + inline mode.
/price,/fees,/mempool,/address,/tx,/whale,/risk,/network,/help,/eth_gas,/sol_fees,/watch,/unwatch,/watchlist,/alerts. Completely free.@BTCFi_Whales — Real-time whale transaction alerts, auto-posted every 15 min with buy/sell signals. Just join the channel.
Web Dashboard — Live BTC price, fees, mempool, address lookup, whale watch.
Chrome Extension — Price badge, whale alerts, address inspector (coming to Chrome Web Store).
Quick Start
For AI Agents (MCP):
npx @aiindigo/btcfi-mcpFor Developers (SDK):
npm install @aiindigo/btcfiimport { BTCFi } from "@aiindigo/btcfi";
const btcfi = new BTCFi({ network: "base" });
const fees = await btcfi.fees();
const risk = await btcfi.intelligence.risk("bc1q...");Endpoints
Group | Count | Price | Examples |
Core | 10 | $0.01–$0.05 | fees, mempool, address, UTXOs, tx history, transactions, blocks |
Intelligence | 5 | $0.02 | fee prediction, whale alerts, risk scoring, network health, UTXO consolidation |
Security | 1 | $0.02 | YARA-pattern threat analysis |
Solv Protocol | 4 | $0.02 | SolvBTC reserves, yield, liquidity, risk |
ZK Proofs | 4 | $0.01–$0.03 | balance range, UTXO age, set membership, verification |
Streams | 2 | $0.01 | real-time blocks, whale transactions (SSE) |
System | 2 | Free | health, staking status |
Ethereum | 3 | $0.01 | ETH gas, address balance, transaction details |
Solana | 2 | $0.01 | SOL priority fees, address balance |
Full specification: OpenAPI 3.1
Payment
Dual-network x402 micropayments in USDC:
Base — Coinbase facilitator (fee-free)
Solana — NLx402 by PCEF (nonprofit)
No API keys. No sign-up. Just pay and query.
Security
Wallet-based request signing (Ed25519 + secp256k1)
Encrypted responses (Curve25519 + XSalsa20-Poly1305)
Zero-knowledge proofs (Groth16)
8 YARA-style threat detection patterns
Nonce replay protection
PEAC Protocol cryptographic receipts
Report vulnerabilities: security@aiindigo.com
Documentation
Doc | Description |
Project history and future plans | |
System design and endpoint reference | |
Security model and features | |
Version history |
Packages & Distribution
Package | Description |
TypeScript SDK — 28 methods | |
MCP Server — 27 tools for Claude, ChatGPT, Gemini | |
| |
Indexed — searchable MCP directory | |
Telegram bot — 9 commands + inline mode |
License
MIT
No token. No API keys. Just Bitcoin data. Ship > talk. 🚀