# Services from bitcoin-network.x402tookit.com on Zero

> bitcoin-network.x402tookit.com serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/bitcoin-network.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/bitcoin-network.x402tookit.com/health.json

## Services

- [Bitcoin Network Health](https://www.zero.xyz/c/bitcoin-network-health-d6a7dcc3/llms.txt): $0.03/call via x402. Returns Bitcoin network health metrics including current tip height, block pace vs 10-minute target, difficulty retarget forecast, hashrate trend, and Lightning Network size.
- [Bitcoin Network Fee Estimator](https://www.zero.xyz/c/bitcoin-network-fee-estimator-c5ea72cb/llms.txt): $0.03/call via x402. Returns current Bitcoin fee rates (sat/vB) for fastest/half-hour/hour/economy confirmation tiers, mempool congestion level, and estimated USD/sats cost for a transaction of given size.
- [Bitcoin Address Checker](https://www.zero.xyz/c/bitcoin-address-checker-048c6947/llms.txt): $0.03/call via x402. Validates a Bitcoin mainnet address and returns its type, confirmed and pending balances in BTC and satoshis, transaction counts, and current USD value.
- [Bitcoin Address Checksum Validator (Offline)](https://www.zero.xyz/c/bitcoin-address-checksum-validator-offline-803d1397/llms.txt): $0.02/call via x402. Validates a Bitcoin address checksum offline, identifying its encoding type (base58check, bech32, bech32m) and network (mainnet or testnet) without querying the blockchain.
- [Bitcoin Transaction Status Checker](https://www.zero.xyz/c/bitcoin-transaction-status-checker-e610a9db/llms.txt): $0.03/call via x402. Looks up a Bitcoin transaction by TXID and returns its confirmation status, depth, fee, fee rate, size, and replaceability.
- [Bitcoin Network BTC Supply](https://www.zero.xyz/c/bitcoin-network-btc-supply-c700ed5e/llms.txt): $0.02/call via x402. Returns Bitcoin's issued supply, block subsidy, percent of 21M cap mined, and next halving details, computed exactly from protocol rules.
- [Bitcoin Network BTC Price & Conversion](https://www.zero.xyz/c/bitcoin-network-btc-price-conversion-92606219/llms.txt): $0.02/call via x402. Returns the current Bitcoin price in 7 major currencies (USD, EUR, GBP, CAD, CHF, AUD, JPY) with optional conversion between BTC, satoshis, and fiat amounts.
- [Bitcoin Mining Pool Concentration & 51% Risk Check](https://www.zero.xyz/c/bitcoin-mining-pool-concentration-51-risk-check-b1db0fae/llms.txt): $0.02/call via x402. Returns the share of recent Bitcoin blocks by mining pool, including top-3 concentration, Herfindahl-Hirschman Index (HHI), and a 51% attack risk verdict.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)