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StableEmail Update Subdomain Inbox Settings
emailsendinboxforwardingsubdomainsocial
StableEmail Update Subdomain Inbox Settings is a free API for AI agents from StableEmail at stableemail.dev, callable via MPP, Free, status unknown (last checked 2026-10-10).
Updates the forwarding address and message retention settings for a subdomain inbox on StableEmail
Price / callFree
Success—
StatusUnknown
How this service works
Update subdomain inbox settings (free)
Output
A confirmation response indicating the subdomain inbox settings have been updated, reflecting the new forwarding address (or null to disable forwarding) and message retention preference.
Example use cases
Example prompt
“Update my StableEmail subdomain inbox — subdomain 'mycompany', local part 'hello' — so it forwards to alice@example.com and retains messages.”
Technical details
Endpoint
POSThttps://stableemail.dev/api/subdomain/inbox/update?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to change the forwarding destination or retention behavior of an existing subdomain inbox on StableEmail. This is free and does not require purchasing a new inbox. Prefer this over other endpoints when the inbox already exists and you only need to reconfigure its settings rather than create or top up.
Side effects
- Invalid subdomain format — must be 3-30 lowercase alphanumeric characters with hyphens, no double hyphens
- Invalid localPart format — must be 1-64 lowercase alphanumeric characters with allowed symbols
- Invalid forwardTo email address format
- Subdomain does not exist or is not owned by the caller
- Missing required fields subdomain or localPart returns validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| forwardTo | — | |
| localPartrequired | string | |
| subdomainrequired | string | |
| retainMessages | boolean |
Tags
emailsendinboxforwardingsubdomainsocial
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