https://api.agentstools.dev/pkg/preflightGET /pkg/preflight · x402 API by agentstools
Install-safety preflight for one dependency BEFORE pip install / npm i. Returns a safe / caution / block verdict fusing existence, OSV malware flags, typosquat distance to a popular package, a known-hallucination corpus, and freshness metadata. Supply-chain indicators, not a guarantee.
What does this x402 API do?
https://api.agentstools.dev/pkg/preflight. This is an x402-gated GET API resource from agentstools. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-05. No normalized USD price is recorded; the listing names eip155:137 and eip155:42161 and eip155:480 and Base and Solana. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- eip155:137 · eip155:42161 · eip155:480 · Base · Solana
- Latest evidence
- TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-05
- Resource ID
- d8a96835d13aa26749e1c58f
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://api.agentstools.dev/pkg/preflight", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Live 402 quote confirmed
GET returned a protocol-valid 402 quote (402). No payment was made.
- Registry record checked
Registry health: healthy.
- Origin reachable
OPTIONS https://api.agentstools.dev/ returned 405.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.