{"uid":"cap_AAStb5amWpmPfbz0Bc3-V","slug":"plus-address-detection-for-vendor-screening-51141f9b","name":"Plus-Address Detection for Vendor Screening","description":"Plus-address detection for Vendor screening: 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-vendor-screening?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_qxoE3vTFbYumCDzdd1bRn","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 an email local part and returns the base mailbox, using DNS data only, for use in vendor screening workflows.","exampleAgentPrompt":"Check if the email address vendor+signup@acmecorp.com uses plus-addressing and tell me what the base mailbox is.","exampleUseCases":[{"title":"Vendor onboarding email normalization","prompt":"We just received a vendor application with the email procurement+q42024@supplierco.com — can you check if that's a plus-address and tell me the real base mailbox?"},{"title":"Detecting aliased emails in supplier forms","prompt":"A new supplier submitted finance+invoices@bigfirm.net as their contact email. Can you detect whether that's a plus-address alias and extract the underlying address?"},{"title":"Screening contractor submissions for email tricks","prompt":"Flag whether contractor+test@freelancer.io is using sub-addressing so I know if they might be routing replies away from their main inbox."}],"resultDescription":"Returns the detected base mailbox extracted from the email's local part, along with an indicator of whether plus-addressing was found and the parsed components (tag, local part, domain). Uses DNS data only; does not send email or confirm inbox existence.","failureModes":["Invalid or malformed email input returns an error","Emails with no plus-address return the original address unchanged","DNS lookup failures may affect domain-level checks","Ambiguous local parts (e.g. quoted strings with special chars) may not parse correctly"],"whenToPreferThis":"Choose this endpoint when you need to detect and normalize plus-addressed (sub-addressed) emails as part of vendor or supplier screening, without sending any email or verifying inbox existence. Prefer this over full email verification services when you only need structural and DNS-level detection of aliasing tricks, not deliverability checks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:27.181Z","isFirstParty":false,"canonicalSlug":"plus-address-detection-for-vendor-screening-51141f9b"}