Resend

Send transactional emails from an Agent with ResendTools and the Resend API.

ResendTools enable an Agent to send emails using Resend.

Prerequisites

The following example requires the resend library and an API key from Resend.

uv pip install -U resend openai

export RESEND_API_KEY=***

Example

The following agent will send an email using Resend.

cookbook/91_tools/resend_tools.py

from agno.agent import Agent
from agno.tools.resend import ResendTools

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

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

Toolkit Params

Parameter	Type	Default	Description
api_key	str	None	Resend API key. If not provided, uses RESEND_API_KEY env var.
from_email	str	None	The email address used as the sender in email communications.
enable_send_email	bool	True	Enable the send_email functionality.
all	bool	False	Enable all functionality.

Toolkit Functions

Function	Description
send_email	Send an email using the Resend API.

Developer Resources

• Tools