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Sendmux API
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Schema
Filter operations
Billing
3
Connection
1
Domain Filters
2
Domains
7
get
/domains
List mailbox domains
post
/domains
Add a mailbox domain
get
/domains/{public_id}
Get a mailbox domain
delete
/domains/{public_id}
Delete a mailbox domain
patch
/domains/{public_id}
Update a mailbox domain
post
/domains/{public_id}/verify
Verify a mailbox domain
get
/domains/{public_id}/zone-file
Download a domain as a zone file
Emails
3
Inboxes
2
Mailbox API
52
Mailbox Filters
2
Mailboxes
13
Sending accounts
15
Webhooks
9
Domains
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Changes to Download a domain as a zone file
get
/domains/{public_id}/zone-file
Sep 9, 2026
7807ce923952
Revision changes
info
the endpoint scheme security
oauth2
was added to the API