₿ BTCFi API

Bitcoin + BTCFi data for AI agents via x402 micropayments

Block #935,932BTC $69,644RPC 🟢 Whistle

How it works

# 1. Query any endpoint
curl https://btcfi.aiindigo.com/api/v1/fees

# 2. Get 402 response with payment instructions
# 3. Pay with USDC on Base or Solana
# 4. Include payment proof, get data

curl -H "X-Payment: <proof>" \
     -H "X-Payment-Network: base" \
     https://btcfi.aiindigo.com/api/v1/fees

24 Endpoints

GET /api/v1/fees

Recommended fees + USD estimates

$0.01

GET /api/v1/mempool

Mempool summary + recent txs

$0.01

GET /api/v1/address/{addr}

Address balance + stats

$0.01

GET /api/v1/address/{addr}/utxos

Unspent outputs

$0.01

GET /api/v1/tx/{txid}

Transaction details

$0.01

POST /api/v1/tx/broadcast

Broadcast signed tx

$0.05

GET /api/v1/block/latest

Latest blocks

$0.01

GET /api/v1/intelligence/fees

AI fee prediction (1h/6h/24h)

$0.02

GET /api/v1/intelligence/whales

Large tx detection + alerts

$0.02

GET /api/v1/intelligence/risk/{addr}

Address risk scoring

$0.02

GET /api/v1/intelligence/network

Network health analysis

$0.02

GET /api/v1/security/threat/{addr}

YARA-pattern threat analysis

$0.02

GET /api/v1/solv/reserves

SolvBTC supply + chain breakdown

$0.02

GET /api/v1/solv/yield

xSolvBTC APY + yield strategies

$0.02

GET /api/v1/solv/liquidity

Cross-chain liquidity distribution

$0.02

GET /api/v1/solv/risk

Multi-factor risk assessment

$0.02

POST /api/v1/zk/balance-proof

ZK proof: balance ≥ threshold

$0.03

POST /api/v1/zk/age-proof

ZK proof: UTXO age ≥ N blocks

$0.03

POST /api/v1/zk/membership

ZK proof: address in set

$0.03

POST /api/v1/zk/verify

Verify any ZK proof

$0.01

GET /api/v1/stream

SSE: blocks, fees, mempool

$0.01

GET /api/v1/stream/whales

SSE: whale tx alerts

$0.01

GET /api/v1/staking/status

Staking tier check

free

GET /api/health

System health + RPC status

free

Payment Networks

🔵 Base (Coinbase)

ERC-3009 USDC settlement. Fee-free via Coinbase facilitator.

Header: X-Payment-Network: base

🟣 Solana (NLx402)

Nonce-locked, hash-bound. Zero fees via PCEF nonprofit facilitator.

Header: X-Payment-Network: solana

Security

YARA-pattern threat analysis (PCEF-inspired)
Wallet signature auth (Ed25519 + secp256k1)
Encrypted responses (Curve25519 + XSalsa20-Poly1305)
Nonce-based replay protection
Tiered rate limiting with progressive backoff
Decentralized RPC via Whistle Network

MCP Integration 27 tools

# Claude Desktop — add to claude_desktop_config.json
{
  "mcpServers": {
    "btcfi": {
      "command": "npx",
      "args": ["@aiindigo/btcfi-mcp"],
      "env": {
        "SVM_PRIVATE_KEY": "your-solana-key"
      }
    }
  }
}

# npm: @aiindigo/btcfi-mcp
# 27 tools: fees, mempool, address, tx, blocks,
# intelligence, security, staking, solv protocol,
# zk proofs, real-time streams

Built by AI Indigo · No tokens · No subscriptions · Payment IS authentication