Cheap preflight checks if a URL can be fetched by Minifetch's user agent before making requests to the other paid Minifetch endpoints. If your own site is blocked read the tutorial: https://minifetch.com/tutorials/unblock-minifetch
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://minifetch.com/api/v1/x402/preflight/url-check' # -> 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://minifetch.com/api/v1/x402/preflight/url-check'
Endpoint: https://minifetch.com/api/v1/x402/preflight/url-check. Operated by minifetch.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
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