{"uid":"cap_DkwmaZYJiULM0pjK53fMY","slug":"sitecheck-web-intel-disposable-email-domain-check-22a9f94a","name":"SiteCheck Web Intel – Disposable Email Domain Check","description":"Checks whether an email address's domain (or a domain you give) is on the community disposable and temporary email blocklist (about 9,900 domains). Only the domain is checked, never the mailbox, and a domain missing from the list is not proven to be permanent.","url":"https://api.webintel-api.workers.dev/api/security/email-disposable?utm_source=zero.xyz","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","required":["email"],"properties":{"email":{"type":"string","description":"Email address or domain, e.g. user@mailinator.com or mailinator.com (required)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VateSXPTo8eIB9XXS2Blk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given email address's domain (or a bare domain) appears on a community blocklist of ~9,900 known disposable and temporary email providers","exampleAgentPrompt":"Can you check if the email address user@mailinator.com is from a known disposable or throwaway email service?","exampleUseCases":[{"title":"Block throwaway emails at signup","prompt":"A user just tried to register with the email temp4892@guerrillamail.com — can you check if that domain is on the disposable email blocklist before we let them in?"},{"title":"Validate lead email quality","prompt":"We just got a CRM lead with the email address contact@yopmail.com — can you tell me if that's a known disposable email domain so I know whether to follow up?"},{"title":"Screen bulk user list for junk emails","prompt":"Check whether trashmail.com is flagged as a disposable or temporary email provider — I want to filter it out of our mailing list."}],"resultDescription":"Returns a boolean or status indicating whether the queried domain appears on the community disposable/temporary email blocklist (~9,900 domains). The mailbox portion of the email is ignored; only the domain is checked. A negative result (not on list) does not guarantee the domain is permanent.","failureModes":["Missing 'email' query parameter returns a 400 or error response","Domain not found in list returns a negative/false result, which does not confirm the domain is legitimate","False negatives are possible for newer or obscure disposable email domains not yet in the community list","Rate limiting or payment failure (x402) may block requests if USDC balance is insufficient","Invalid or malformed email/domain input may cause unexpected results"],"whenToPreferThis":"Use this endpoint when you need a fast, low-cost check against a large community-maintained blocklist of disposable email domains — ideal for signup validation, lead scoring, or fraud prevention workflows. Prefer this over manual domain checks or full email verification services when you only need to know if a domain is commonly associated with throwaway accounts and do not need inbox reachability testing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:44:42.380Z","isFirstParty":false,"canonicalSlug":"sitecheck-web-intel-disposable-email-domain-check-22a9f94a"}