{"uid":"cap_-MeqGEA57i_iJTOycLJfN","slug":"tomba-email-format-lookup-20cdd18a","name":"Tomba Email Format Lookup","description":"Get the email format patterns used by a domain (e.g. first.last, firstlast).","url":"https://x402.orthogonal.com/tomba/v1/email-format","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":{"domain":{"type":"string","description":"Domain name, e.g. stripe.com"}}}},"additionalProperties":false}}},"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_TbSRfSjjlyHQNq5Oiarjs","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":"Returns the email address format patterns (e.g. first.last, firstlast) used by a given company domain.","exampleAgentPrompt":"What email format does stripe.com use for their employees — is it first.last, firstlast, or something else?","exampleUseCases":[{"title":"Cold outreach email guessing","prompt":"I want to reach someone at hubspot.com — what email format do they use so I can figure out the right address?"},{"title":"Sales prospecting email construction","prompt":"Before I email a contact at salesforce.com, can you look up what email pattern Salesforce uses for their employees?"},{"title":"Verifying company email convention","prompt":"What's the standard email format used at microsoft.com? I need to know if they do firstname.lastname or something different."}],"resultDescription":"Returns the email format patterns in use at the specified domain, such as 'first.last', 'firstlast', 'first', or 'flast', along with confidence or usage frequency data where available.","failureModes":["Domain not found or no email pattern data available — returns empty or null result","Invalid domain format causes a 400 bad request error","Unknown or very small company domains may have no indexed email pattern data","Rate limiting or payment failure results in 402 or 429 response"],"whenToPreferThis":"Use this endpoint when you need to discover the email naming convention for a domain before constructing or guessing an individual's email address. Prefer this over a full email finder when you don't yet know the person's name or want to understand the pattern for bulk outreach. It's especially useful as a precursor step to the find-email endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:02:45.417Z","isFirstParty":false}