preflight.openverbs.com
answeringFetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource, description, timeout and any input schema. Flags MPP and Bazaar discovery extensions. Returns free:true when no payment is needed. SSRF-hardened: public hosts only; private, loopback, link-local and cloud-metadata addresses are rejected.
- Endpoint
- https://preflight.openverbs.com/v1/inspect
- Price
- $0.006 / call
- Settles via
- cdp
- Category
- —
- Last seen live
- Tue, 08 Sep 2026 05:24:25 UTC
- Last probed
- Tue, 08 Sep 2026 05:24:25 UTC
- First indexed
- Tue, 08 Sep 2026 05:22:25 UTC
- Sources
- cdp-x402
Probe history
Last 1 probes, newest on the right. 100% answered with a payment challenge.
| When | Result | Method | Status | Latency |
|---|---|---|---|---|
| Tue, 08 Sep 2026 05:24:25 UTC | challenge | http-402 | 402 | 953 ms |
JSON: /api/v1/services/preflight.openverbs.com. Own this service? Update the listing.