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

# Resend

> Track email delivery, domains, and audience growth from Resend.

Track email volume, domain health, and audience growth over time.

<Info>
  **Category:** Email · **Auth:** API key · **Metrics:** 7
</Info>

## Prerequisites

* **API Key** — Go to [Resend → API Keys](https://resend.com/api-keys) and create a key. It will start with `re_`.

## Configuration

<Tabs>
  <Tab title="Cloud">
    Go to **Settings → Integrations → Resend** and enter your API key.
  </Tab>

  <Tab title="CLI">
    ```toml theme={null}
    [[plugins]]
    name = "resend"
    entity = "all"
    config.api_key = "${RESEND_API_KEY}"
    ```
  </Tab>
</Tabs>

## Entities

Pull everything with `all`, or pick specific categories:

| Entity       | Description                |
| ------------ | -------------------------- |
| `emails`     | Email sending metrics      |
| `domains`    | Domain verification status |
| `audiences`  | Audience list metrics      |
| `broadcasts` | Broadcast campaign metrics |
| `all`        | All of the above           |

## Metrics

### Emails

| Metric         | Description       |
| -------------- | ----------------- |
| `emails_total` | Total emails sent |

### Domains

| Metric             | Description              |
| ------------------ | ------------------------ |
| `domains_total`    | Total configured domains |
| `domains_verified` | Verified domains count   |

### Audiences

| Metric            | Description          |
| ----------------- | -------------------- |
| `audiences_total` | Total audience lists |

### Broadcasts

| Metric             | Description               |
| ------------------ | ------------------------- |
| `broadcasts_total` | Total broadcast campaigns |
| `broadcasts_sent`  | Sent broadcast count      |
| `broadcasts_draft` | Draft broadcast count     |