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Reads x402 v1 (body) AND v2 (PAYMENT-REQUIRED header) — body-only checkers call live v2 services dead. ?endpoint=url; omit for a trust-ranked catalog.","outputSchema":{"input":{"type":"http","method":"GET","queryParams":{"endpoint":"x402 endpoint URL to verify (omit for the working-services catalog + risk map)"},"discoverable":true}},"maxAmountRequired":"4000","maxTimeoutSeconds":60}],"quality":{"lastCalledAt":"2026-08-29T05:21:13.444Z","l30DaysTotalCalls":10,"l30DaysUniquePayers":4},"resource":"https://pulsefeed.dev/trust","extensions":{"bazaar":{"info":{"input":{"type":"http","method":"GET","queryParams":{"endpoint":"x402 endpoint URL to verify (omit for the working-services catalog + risk map)"}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object"}}}}}}},"description":"Is this x402 endpoint safe to pay? 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