x402-gateway-production-1f21.up.railway.app publishes 2 machine-payable endpoints over the x402 protocol, priced from $0.001 to $0.001 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /change | GET | $0.001 | 200 |
| /metadata | GET | $0.001 | 200 |
Detect meaningful webpage changes with deterministic hashes and diffs for prices, docs, policies, availability and competitor monitoring.
Extract title, description, Open Graph, Twitter cards, canonical URL, robots directives, headings, JSON-LD and other page metadata.