Resend - Atako

Let your agents send and manage transactional emails, manage domains, segments, contacts and broadcasts via the Resend API.

Connection

Authentication: API key.

Sign in at resend.com → Settings → API Keys → Create API Key. Name it, choose “Full access” (required for domains and segments; “Sending access” only allows sending emails), and copy the key.See Resend’s documentation.

Read actions (11)

Action	Description
`get_broadcast`	Retrieve a single broadcast.
`get_contact`	Retrieve a single contact by ID or email.
`get_domain`	Retrieve a single domain.
`get_email`	Retrieve a single email.
`get_segment`	Retrieve a single segment.
`list_broadcasts`	List broadcasts in the account.
`list_contact_segments`	List segments for a contact.
`list_contacts`	List contacts, optionally filtered by segment.
`list_domains`	List domains in the account.
`list_emails`	List emails in the account.
`list_segments`	List segments in the account.

Write actions (14)

Action	Description
`add_contact_to_segment`	Add a contact to a segment.
`cancel_email`	Cancel a scheduled email.
`create_broadcast`	Create a new broadcast draft.
`create_contact`	Create a new contact.
`create_segment`	Create a new segment.
`delete_contact`	Delete a contact by ID or email.
`delete_segment`	Delete a segment.
`remove_contact_from_segment`	Remove a contact from a segment.
`send_batch`	Send up to 100 batch emails at once.
`send_broadcast`	Send or schedule a broadcast.
`send_email`	Send an email.
`update_contact`	Update a contact by ID or email.
`update_email`	Reschedule a scheduled email.
`verify_domain`	Trigger DNS verification for a domain (DKIM, SPF, tracking CNAME).

Permissions

Every action above must be explicitly granted to an agent before it can be used. See Permissions for the grant model and Security for how credentials are protected.

Last reviewed against the provider API: September 2026.