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AI Agent Tool

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Mailgun

Email delivery API and SMTP relay for transactional and marketing email at scale.

CommunicationCommunity

mailgun.com

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API Key

About Mailgun

Mailgun is a developer-focused email delivery service that provides a REST API and SMTP relay for sending, tracking, and validating email. It is used primarily for transactional email in web applications. Plans include built-in email validation, delivery webhooks, inbound routing, and a template builder. A separate Optimize product adds inbox placement testing and reputation monitoring.

AI Agent Use Cases

- REST API and SMTP relay for sending email

- Email validation to verify addresses before sending

- Delivery event webhooks (delivered, bounced, opened, clicked)

- Inbound email routing and parsing

- Email template builder (Foundation plan and above)

- Dedicated IP pools and SAML SSO on Scale plan

Available Actions

These are the specific actions that AI agents can perform with this tool

Inputs

From

The sender's email address.

To

The recipient's email address(es).

Subject

The subject line of the email.

Text

The text version of the email content.

HTML

The HTML version of the email content.

Attachments

Files to attach to the email.

Template

Template to use for the email.

Recipient Variables

Variables to customize the message for each recipient.