{"uid":"cap_x7ZRVBrhkvk4Eq2SCS3zc","slug":"stableemail-list-e3ed32df","name":"StableEmail List Subdomain Inboxes","description":"List inboxes on a subdomain (free)","url":"https://stableemail.dev/api/subdomain/inbox/list?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["subdomain"],"properties":{"subdomain":{"type":"string","allOf":[{"pattern":"^[a-z0-9][a-z0-9-]{1,28}[a-z0-9]$"},{"pattern":"^(?!.*--)"}]}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["email","send","inbox","forwarding","subdomain","social"],"displayCostAmount":"0","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"proven_free","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"free","summary":"Free","primary":{"kind":"free","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"},"accepted":[{"kind":"free","protocol":"mpp","network":"tempo","amountUsd":null,"per":"call","confidence":"unknown"}]},"paymentMethods":[{"uid":"pm_nqyPRAzUCKUoTeBAqEJaP","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0","costPer":"request","priority":0,"asset":"0x20c000000000000000000000b9537d11c60e8b50","unit":"request","depositMicros":null,"planRef":null}],"brandName":"StableEmail","brandSlug":"stableemail","brandBaseUrl":"https://stableemail.dev","brandDocsUrl":"https://stableemail.dev","whatItDoes":"Lists all inboxes associated with a given StableEmail subdomain","exampleAgentPrompt":"Can you show me all the inboxes that exist on the 'mycompany' subdomain on StableEmail?","exampleUseCases":null,"resultDescription":"Returns a list of inboxes associated with the specified subdomain, including inbox identifiers and relevant metadata for each inbox configured under that subdomain.","failureModes":["Invalid subdomain format (must match pattern ^[a-z0-9][a-z0-9-]{1,28}[a-z0-9]$ and no double hyphens) returns validation error","Subdomain not found or not registered returns empty list or 404-style error","Subdomain with consecutive hyphens rejected by pattern validation"],"whenToPreferThis":"Use this endpoint when you need to discover or audit all inboxes configured under a specific StableEmail subdomain. Ideal for inbox management workflows, building dashboards, or checking what addresses are active before sending or forwarding operations. This is a free call so prefer it for discovery before paid operations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:42:18.751Z","isFirstParty":false,"canonicalSlug":"stableemail-list-e3ed32df"}