{"uid":"cap_91bdHll9ECPU_CnuXMx-o","slug":"delx-commerce-disposable-domain-heuristic-8daa5a6a","name":"Delx Commerce — Disposable Domain Heuristic","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/disposable-domain-heuristic?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","description":"Domain name"}}},"responseSchema":{"type":"json","example":{"domain":"mailinator.com","schema":"delx/util-disposable-domain-heuristic/v1","is_disposable":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8VNszciuQq3CA4wi_-UXa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","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 domain name is a disposable/temporary email provider using heuristic detection","exampleAgentPrompt":"Can you check whether mailinator.com is a disposable email domain — I want to know if I should reject signups using it?","exampleUseCases":[{"title":"Block throwaway emails at signup","prompt":"A new user just tried to register with an address at guerrillamail.com — can you check if that's a disposable email domain so I can decide whether to block the signup?"},{"title":"Screen bulk user email domains","prompt":"I have a list of email domains from recent signups, starting with yopmail.com — can you tell me if that domain is a known disposable or temporary email provider?"},{"title":"Fraud check before sending promo codes","prompt":"Before I send a promo code to someone who signed up with a 10minutemail.com address, can you verify whether that's a throwaway email domain?"}],"resultDescription":"Returns a JSON object containing the queried domain, a schema identifier ('delx/util-disposable-domain-heuristic/v1'), and a boolean 'is_disposable' field indicating whether the domain is classified as a disposable/temporary email provider.","failureModes":["Missing or empty 'domain' field returns a validation error","Unrecognized or very new disposable domains may return false negatives (is_disposable: false) if not yet in heuristic database","Legitimate domains misidentified as disposable (false positives) may occur for obscure mail providers","Payment failure via x402 results in 402 response before heuristic is run","Malformed domain strings (e.g. with spaces or invalid TLDs) may produce unexpected results"],"whenToPreferThis":"Use this endpoint when you need a lightweight, pay-per-call disposable email domain check with no signup required and verifiable on-chain payment via x402. Prefer it over free open-source lists when you need a maintained heuristic service and want agent-native micropayment integration. At $0.001 USDC per call it is cost-effective for both high-volume screening and one-off checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:02.483Z","isFirstParty":false,"canonicalSlug":"delx-commerce-disposable-domain-heuristic-8daa5a6a"}