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

# Resend

**ResendTools** enable an Agent to send emails using Resend

## Prerequisites

The following example requires the `resend` library and an API key from [Resend](https://resend.com/).

```shell theme={null}
pip install -U resend
```

```shell theme={null}
export RESEND_API_KEY=***
```

## Example

The following agent will send an email using Resend

```python cookbook/tools/resend_tools.py theme={null}
from phi.agent import Agent
from phi.tools.resend_tools import ResendTools

from_email = "<enter_from_email>"
to_email = "<enter_to_email>"

agent = Agent(tools=[ResendTools(from_email=from_email)], show_tool_calls=True)
agent.print_response(f"Send an email to {to_email} greeting them with hello world")
```

## Toolkit Params

| Parameter    | Type  | Default | Description                                                   |
| ------------ | ----- | ------- | ------------------------------------------------------------- |
| `api_key`    | `str` | -       | API key for authentication purposes.                          |
| `from_email` | `str` | -       | The email address used as the sender in email communications. |

## Toolkit Functions

| Function     | Description                         |
| ------------ | ----------------------------------- |
| `send_email` | Send an email using the Resend API. |

## Information

* View on [Github](https://github.com/agno-agi/phidata/blob/main/phi/tools/resend_tools.py)