{"uid":"cap_WZ4Si9ZfcLHIaviooXgyj","slug":"plus-address-detection-for-it-administration-cf4176a4","name":"Plus-Address Detection for IT Administration","description":"Plus-address detection for IT administration: Detect sub-addressing in an email local part and return the base mailbox. DNS data only; does not send email or verify that an inbox exists.","url":"https://market.datapackvibe.com/x402/demand-domain-plus-address-check-it-administration?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","default":"user@example.com","description":"Email address to inspect."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UddpMfNEcW268nQR4NTPj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Detects email sub-addressing (plus-addressing) in a local part and returns the base mailbox address using DNS data only.","exampleAgentPrompt":"Can you check whether the email address 'alice+newsletter@acme.com' is using plus-addressing and tell me what the base mailbox would be?","exampleUseCases":[{"title":"Block duplicate signups via plus-addresses","prompt":"A user just registered with 'john+test@gmail.com' — can you check if this is a plus-address trick and tell me the real base mailbox so I can flag potential duplicate accounts?"},{"title":"Normalize email for CRM deduplication","prompt":"I have this email in our CRM: 'support+ticket42@company.org' — can you detect if it's sub-addressed and give me the canonical base mailbox to use for deduplication?"},{"title":"IT audit of employee email aliases","prompt":"As part of our IT audit, check whether 'jane.doe+hr@ourcompany.com' is a plus-address variant and return the underlying base mailbox address."}],"resultDescription":"Returns whether the input email uses plus-addressing (sub-addressing), the extracted sub-address tag if present, and the base mailbox (local part without the plus-tag combined with the domain). No email is sent and no inbox existence is verified — result is based on DNS data and address parsing only.","failureModes":["Invalid or malformed email address returns an error or null result","Email without a plus-address returns a no-subaddress indicator","Domain DNS lookup issues may affect result accuracy","Non-standard or internationalized email formats may not be parsed correctly"],"whenToPreferThis":"Choose this endpoint when you need to programmatically detect and strip plus-address tags from email inputs — particularly useful in IT administration, user registration deduplication, CRM normalization, or security auditing workflows. Prefer this over general email validation APIs when your specific need is sub-address detection rather than deliverability or syntax validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:57.389Z","isFirstParty":false,"canonicalSlug":"plus-address-detection-for-it-administration-cf4176a4"}