{"uid":"cap_6Ju7c1tqSINzGdezC3zT7","slug":"stableemail-update-978fd766","name":"StableEmail Update Subdomain Settings","description":"Update subdomain settings (catch-all forwarding)","url":"https://stableemail.dev/api/subdomain/update?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]$"},{"pattern":"^(?!.*--)"}]},"catchAllForwardTo":{"anyOf":[{"type":"string","format":"email","pattern":"^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$"},{"type":"null"}]}}},"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_jrZOqRsg4-JXJ4ijnBxcp","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":"Update catch-all forwarding settings for a custom email subdomain on StableEmail","exampleAgentPrompt":"Update my StableEmail subdomain 'mycompany' so that all catch-all emails are forwarded to inbox@gmail.com.","exampleUseCases":null,"resultDescription":"Confirmation that the subdomain's catch-all forwarding settings have been updated, reflecting the new forwarding email address or cleared forwarding configuration.","failureModes":["Invalid subdomain format — must be 3-30 lowercase alphanumeric or hyphen characters, no double hyphens","Invalid catch-all forwarding email format — must be a valid email address","Subdomain not found or not owned by the caller","Setting catchAllForwardTo to null clears forwarding with no error but may silently disable routing"],"whenToPreferThis":"Use this endpoint when you need to update the catch-all email forwarding destination for an existing StableEmail custom subdomain, such as routing all inbound emails to a new address or disabling catch-all forwarding entirely.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-09T18:50:35.178Z","isFirstParty":false,"canonicalSlug":"stableemail-update-978fd766"}