> ## Documentation Index
> Fetch the complete documentation index at: https://docs.atako.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Resend

> Connect Resend to your Atako agents — 11 read and 14 write actions.

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

## Connection

* **Authentication**: API key.

<Note>
  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](https://resend.com/api-keys).
</Note>

## 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](/integrations/permissions) for the grant model and [Security](/integrations/security) for how credentials are protected.

***

*Last reviewed against the provider API: September 2026.*


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