# Services from wren-x402-doctor.wrenonbase.workers.dev on Zero

> wren-x402-doctor.wrenonbase.workers.dev serves 4 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/wren-x402-doctor.wrenonbase.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/wren-x402-doctor.wrenonbase.workers.dev/health.json

## Services

- [Wren x402 Doctor](https://www.zero.xyz/c/wren-x402-doctor-e0774619/llms.txt): $0.1/call via x402. Health-checks a seller's x402 listings on the CDP Bazaar, returning usage stats, delisting risk, and lint findings for each listed resource.
- [Wren x402 Doctor – Bazaar Marketplace Search](https://www.zero.xyz/c/wren-x402-doctor-bazaar-marketplace-search-292eeeb1/llms.txt): $0.02/call via x402. Search the CDP Bazaar for x402-listed resources by keyword, returning listings with pricing, call volume, payer counts, and market summary stats.
- [Wren x402 Doctor – Recommend x402 Endpoints](https://www.zero.xyz/c/wren-x402-doctor-recommend-x402-endpoints-26d2668f/llms.txt): $0.01/call via x402. Recommends the best x402-paying API endpoints for a given agent need, ranked by usage evidence, price, and lint quality from the CDP Bazaar
- [Wren x402 Doctor: Ping / End-to-End Payment Verification](https://www.zero.xyz/c/wren-x402-doctor-ping-end-to-end-payment-verification-14dcb41b/llms.txt): $0.001/call via x402. Verifies that an x402 client can complete a real Base mainnet payment end-to-end by charging $0.001 USDC and returning full payment settlement details

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)