Discover / x402-api-catalog.onrender.com
PreFlight Checker
Not checkedPre-flight checks for autonomous agents: verify a package, repo, domain, or another x402 service before you trust it. Code checks (npm trust score, GitHub repo health), network checks (domain liveness), and ops checks (x402 service diagnostics). $0.02-$1.00 per call via x402 on Base, no signup, no API key.
- Checks
- Not checked
- In our index since
- 14 Oct 2026
Endpoint
curl -i https://x402-api-catalog.onrender.com # 402 Payment Required: pay with an x402 client (USDC on Base), # then send the same request again with the payment attached.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402-api-catalog.onrender.com
Questions
What payment terms does PreFlight Checker advertise?
The listing advertises x402, Base and USDC. Check the seller's current payment challenge and authentication requirements before paying.
Where is PreFlight Checker listed?
In x402-list.com. Superstables first indexed it on 14 Oct 2026.
Something wrong on this page? Tell us.