Discover / preflight.openverbs.com

preflight.openverbs.com

Fetch 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.

preflight.openverbs.com is listed as payable by AI agents over X402 on base in USDC. It answered a valid payment challenge when we last probed it at Mon, 07 Sep 2026 23:30:53 GMT.

Endpoint

https://preflight.openverbs.com/v1/inspect

Status■ Live
Facilitatorcdp
Listed in

x402-bazaar

First indexedSun, 06 Sep 2026 11:07:19 GMT

Probe history

last 1 probes
WhenResultHTTPMethodLatency
Mon, 07 Sep 2026 23:30:53challenge402http-402165ms

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preflight.openverbs.com · payable service