{"uid":"cap_7Hmn3Yvm0ek72RtDhXRmT","slug":"validate-email-address-watch-364804b9","name":"validate-email-address-watch","description":"Change watch for validate email address: runs the check and compares it with the result from your previous call for the same email (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when validate email address changes. $0.01 per check.","url":"https://intel.rallylive.ca/watch/validate-email","method":"GET","headers":{},"bodySchema":{"type":"object","$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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pzm6kyMnaPt3g6mxNPlI0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Monitors an email address validation result over time and reports when it changes, returning current validity status, a changed flag, and field-level diffs with before/after values.","exampleAgentPrompt":"Keep watching the email address user@example.com and let me know immediately if its validation status changes — show me exactly which fields changed and what the before and after values were.","exampleUseCases":[{"title":"Monitor user email after signup","prompt":"Watch the email john.doe@somecompany.com on a schedule and alert me if its validation result ever changes — I want to know which specific fields flipped and what the old and new values are."},{"title":"Track disposable email status over time","prompt":"Start monitoring throwaway@tempmail.io for me and compare each check against the previous one — tell me if its disposable or deliverable status changes between checks."},{"title":"Email hygiene drift detection for CRM","prompt":"Check whether the validation result for contact@oldclient.biz has changed since the last time we checked, and give me a field-by-field diff showing exactly what's different now versus before."}],"resultDescription":"Returns the current email validation answer, a boolean 'changed' flag indicating whether any field differs from the previous check (stored up to 90 days), a list of exactly which fields changed with their before and after values, and a timestamp of when the email was last seen.","failureModes":["Email address not previously checked — no baseline exists yet, so 'changed' cannot be computed on first call","Email format is invalid — validation may fail before comparison is possible","Cached baseline expired — results older than 90 days are purged, losing the comparison baseline","Payment not completed — x402 payment required before result is returned","Network or DNS lookup failure during validation — may return error instead of diff"],"whenToPreferThis":"Choose this endpoint when you need to detect changes in email validity over time rather than just a one-time check. It is ideal for scheduled monitoring workflows, CRM hygiene pipelines, or any agent that needs to be notified when a previously valid email becomes invalid (or vice versa), including changes in sub-fields like disposability, deliverability, or MX record status. Prefer it over a plain validate-email call when the diff and change-detection logic matters more than the raw current result.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:22:01.630Z","isFirstParty":false}