{"uid":"cap_qqZ-zjcka_LfxUNN3hwEo","slug":"stableemail-signers-2022181d","name":"StableEmail Subdomain Signers Manager","description":"Manage authorized signers for a subdomain (free)","url":"https://stableemail.dev/api/subdomain/signers?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["action","subdomain","walletAddress"],"properties":{"action":{"enum":["add","remove"],"type":"string"},"subdomain":{"type":"string","allOf":[{"pattern":"^[a-z0-9][a-z0-9-]{1,28}[a-z0-9]$"},{"pattern":"^(?!.*--)"}]},"walletAddress":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"}}},"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_o5gPfoiEEzrPqvFj5o8FK","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":"Add or remove authorized wallet addresses as signers for a StableEmail custom subdomain","exampleAgentPrompt":"Add wallet address 0xAbCd1234...5678 as an authorized signer for my StableEmail subdomain 'mycompany' so they can send emails from it.","exampleUseCases":null,"resultDescription":"Confirmation that the specified wallet address has been added to or removed from the authorized signers list for the given subdomain on StableEmail.","failureModes":["Invalid subdomain format (must match pattern ^[a-z0-9][a-z0-9-]{1,28}[a-z0-9]$ with no consecutive hyphens)","Invalid wallet address format (must be 0x followed by 40 hex characters)","Subdomain not found or not owned by caller","Wallet address already exists as signer (on add)","Wallet address not found in signers list (on remove)","Action enum value not 'add' or 'remove'"],"whenToPreferThis":"Use this endpoint when you need to grant or revoke send-from permissions for additional wallet addresses on a StableEmail custom subdomain. This is ideal for multi-user or team setups where multiple wallets need to be authorized to send email from the same custom subdomain without transferring full ownership.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-09T18:49:55.865Z","isFirstParty":false,"canonicalSlug":"stableemail-signers-2022181d"}