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StableEmail Update Subdomain Settings
emailsendinboxforwardingsubdomainsocial
StableEmail Update Subdomain Settings is a free API for AI agents from StableEmail at stableemail.dev, callable via MPP, Free, status unknown (last checked 2026-10-09).
Update catch-all forwarding settings for a custom email subdomain on StableEmail
Price / callFree
Success—
StatusUnknown
How this service works
Update subdomain settings (catch-all forwarding)
Output
Confirmation that the subdomain's catch-all forwarding settings have been updated, reflecting the new forwarding email address or cleared forwarding configuration.
Example use cases
Example prompt
“Update my StableEmail subdomain 'mycompany' so that all catch-all emails are forwarded to inbox@gmail.com.”
Technical details
Endpoint
POSThttps://stableemail.dev/api/subdomain/update?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| subdomainrequired | string | |
| catchAllForwardTo | — |
Tags
emailsendinboxforwardingsubdomainsocial
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