Pre-spend check for one x402 endpoint in a single signed response: fresh liveness probe on both verbs, parsed quote, payability verdict (payable / malformed 402 / cannot pay on either verb / unpriced), whether the payTo exists on-chain, the seller's other endpoints and settlement integrity, the scout's real-payment delivery result, and a honeypot scan of the listing text. Returns recommendation: pay | caution | avoid, with reasons. Call it before the first payment to an unfamiliar endpoint.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://settled.tools/v1/preflight' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://settled.tools/v1/preflight'
Endpoint: https://settled.tools/v1/preflight. Operated by settled.tools, not by Animica. Price and availability were correct at the last probe on 2026-09-29 and are set by the operator, who may change them.
Watchdog: 30 days of signed webhook alerts for one x402 endpoint. Settled keeps probing it and POSTs an EIP-191-signed JSON alert to your webhook whenever its s…