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 31 Bitcoin data and intelligence endpoints accessible via x402 micropayments. Pay $0.01–$0.05 per query in USDC — no API keys, no subscriptions.
Quick Start
For AI Agents (MCP):
For Developers (SDK):
For Humans:
Telegram Bot —
/price,/fees,/whale,/riskChrome Extension — price badge, whale alerts, address inspector
Endpoints
Group | Count | Price | Examples |
Core | 11 | $0.01 | fees, mempool, address, UTXOs, transactions, blocks |
Intelligence | 5 | $0.02 | fee prediction, whale alerts, risk scoring, network health |
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 |
Streams | 2 | $0.01 | real-time blocks, whale transactions (SSE) |
System | 4 | Free | health, index, staking status |
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
Package | Description |
TypeScript SDK — 28 methods | |
MCP Server — 27 tools for Claude, ChatGPT, Gemini |
License
MIT
No token. No API keys. Just Bitcoin data. Ship > talk. 🚀