# Services from patch-guard-api.me-e51.workers.dev on Zero

> patch-guard-api.me-e51.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/patch-guard-api.me-e51.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/patch-guard-api.me-e51.workers.dev/health.json

## Services

- [Patch Guard JSON Repair & Canonicalization](https://www.zero.xyz/c/patch-guard-json-repair-canonicalization-1174d962/llms.txt): $0.001/call via x402. Accepts malformed or valid JSON text and returns repaired JSON, canonicalized (sorted-key) JSON, and a SHA-256 fingerprint of the canonical form.
- [Patch Guard – Safe JSON Patch Evaluation](https://www.zero.xyz/c/patch-guard-safe-json-patch-evaluation-e06bcd9a/llms.txt): $0.01/call via x402. Atomically applies RFC 6902 JSON Patch operations to a document, validates the result against an optional JSON Schema, enforces protected-path constraints, and returns a verdict, inverse patch, normalized diff, and SHA-256 hashes.
- [Polymarket Odds & Movers](https://www.zero.xyz/c/polymarket-odds-movers-6c35260f/llms.txt): $0.001/call via x402. Returns normalized Polymarket prediction market odds, sorted by top movers or volume, with probabilities summing to 1
- [Patch Guard Crypto Price Consensus](https://www.zero.xyz/c/patch-guard-crypto-price-consensus-3dfebe46/llms.txt): $0.001/call via x402. Fetches spot prices for BTC, ETH, SOL, and/or USDC from multiple independent sources (Coinbase, CoinGecko, Kraken) and returns a median consensus price with spread metrics.

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)