# Services from x402station.io on Zero

> x402station.io serves 9 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/x402station.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402station.io/health.json

## Services

- [x402station.io Preflight](https://www.zero.xyz/c/x402station-io-109b4ba6/llms.txt): $0.001000/call via x402. Evaluates a single x402 payment endpoint for safety, reliability, and settlement quality before an agent commits to paying it
- [x402station.io Preflight Batch](https://www.zero.xyz/c/x402station-io-5f59e61f/llms.txt): $0.025000/call via x402. Bulk-evaluates 1–50 x402 payment endpoints before an agent pays, returning a per-URL verdict plus an overall summary including settlement count and recency.
- [x402station.io Alternatives](https://www.zero.xyz/c/x402station-io-16a44954/llms.txt): $0.005000/call via x402. Returns up to 5 healthy fallback x402 endpoints when a primary endpoint is blocked or unavailable, ranked by settlement count and recency.
- [x402station.io Forensics](https://www.zero.xyz/c/x402station-io-782bdcb2/llms.txt): $0.001000/call via x402. Returns a deep 7-day forensic report for a single x402 URL including hourly uptime, latency percentiles, status-code distribution, decoy probability, and CDP settlement analytics.
- [x402station.io Catalog Decoys](https://www.zero.xyz/c/x402station-io-5934dad5/llms.txt): $0.005/call via x402. Returns a list of known-bad x402 endpoints flagged with critical signals (dead, zombie, decoy pricing) for use as a local agent blacklist
- [x402station.io Watch — Webhook Monitoring for x402 Endpoint State Changes](https://www.zero.xyz/c/x402station-io-74590271/llms.txt): $0.010000/call via x402. Subscribes a webhook to receive HMAC-signed alerts when an x402 endpoint changes state, covering 30 days and up to 100 alerts for $0.01 USDC.
- [x402station.io What's New — Catalog Diff Polling](https://www.zero.xyz/c/x402station-io-2e467eff/llms.txt): $0.001000/call via x402. Returns a diff of newly added and removed x402 endpoints since a given timestamp, enabling agents to stay current with the x402 catalog
- [x402station.io Credits](https://www.zero.xyz/c/x402station-io-d9bb424e/llms.txt): $0.5/call via x402. Purchases prepaid credit balance for x402station.io Preflight calls, returning a creditId, balance, and expiry timestamp for $0.50 USDC per 1000 calls.
- [x402station.io Verified — Provider Audit & Signed Certificate](https://www.zero.xyz/c/x402station-io-6e085836/llms.txt): $1.000000/call via x402. Audits an x402 endpoint provider and issues a 30-day signed verification certificate with tier rating and badge URL for $1 USDC

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)