Mailersend is a platform that enables you to send transactional emails and manage email templates through a unified API. By integrating with Relevance AI, you can enhance your email communications with intelligent automation and personalized interactions.



Mailersend simplifies the process of sending transactional emails and managing templates. With Relevance AI, you can leverage these capabilities to create dynamic, responsive email communications powered by AI Agents.
Intelligent Email Orchestration
The AI Agent seamlessly coordinates complex email workflows by leveraging MailerSend's robust API and template system.
Dynamic Content Personalization
Transform standard templates into highly personalized communications through real-time content adaptation and variable substitution.
Automated Response Intelligence
Monitor and react to email engagement patterns through webhook integration and real-time event tracking.
Relevance AI integrates with Mailersend to enhance your email workflows with intelligent automation and seamless communication.
What you’ll need
You don't need to be a developer to set up this integration. Follow this simple guide to get started:
- A Mailersend account
- A Relevance AI account with access to your datasets and projects
- Authorization (you'll connect securely using API keys—no sensitive info stored manually)
Security & Reliability
The Mailersend integration with Relevance AI utilizes secure OAuth authentication, ensuring that only authorized workflows can send transactional emails and manage templates through a unified API interface. Relevance AI handles API operations (like sending emails, managing templates, and making custom API calls) in the background—so you don’t have to worry about errors, formatting, or limits.
This integration simplifies email automation, allowing you to leverage template management and comprehensive API access for automated customer communications, notifications, and marketing campaigns.
Built-in validation and type conversion ensure your email workflows run smoothly, even when data formats vary. For instance, you can easily send basic emails or utilize templates with dynamic substitutions, all while monitoring delivery status and handling errors effectively.
No training on your data
Your data remains private and is never utilized for model training purposes.
Security first
We never store anything we don’t need to. The inputs or outputs of your tools are never stored.

To get the most out of the Mailersend + Relevance AI integration without writing code:
- Start with a verified Mailersend account: Ensure your domain is verified and email sender is configured correctly.
- Utilize email templates: Create and manage templates in Mailersend for consistent and efficient email communications.
- Configure OAuth securely: Use OAuth credentials with the correct permissions to ensure secure access to the Mailersend API.
- Test email configurations: Send test emails to verify that your configurations and templates work as expected before going live.
- Monitor email delivery: Keep track of delivery statuses and bounce rates to maintain a healthy email sending reputation.