# Services from btc-tx-toolkit.stackstats.workers.dev on Zero

> btc-tx-toolkit.stackstats.workers.dev serves 3 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/btc-tx-toolkit.stackstats.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/btc-tx-toolkit.stackstats.workers.dev/health.json

## Services

- [BTC Tx Toolkit – PSBT Analyzer](https://www.zero.xyz/c/btc-tx-toolkit-psbt-analyzer-8d63c8e0/llms.txt): $0.005/call via x402. Decodes and analyzes a Bitcoin PSBT (Partially Signed Bitcoin Transaction) to return fee, feerate, vsize, change outputs, RBF signaling, dust detection, and warnings — without broadcasting or storing anything.
- [BTC Tx Toolkit – Transaction Decoder](https://www.zero.xyz/c/btc-tx-toolkit-transaction-decoder-e758f8d9/llms.txt): $0.002/call via x402. Decodes a raw Bitcoin transaction hex string into structured fields including outputs, addresses, values, vsize, SegWit status, and RBF signaling
- [BTC Tx Toolkit – Address Validator](https://www.zero.xyz/c/btc-tx-toolkit-address-validator-8591bd92/llms.txt): $0.001/call via x402. Validates a Bitcoin address and returns its type, encoding, network, and witness version without broadcasting or storing anything

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)