API Documentation | Lunar Send

Robust REST API for CRM Automation

Introduction

Welcome to the LunarSend CRM API.

Our API is designed to give developers and teams direct programmatic access to the full power of the LunarSend CRM platform. Whether you are managing contacts, sending personalized emails, tracking engagement, or integrating with third-party services, the API provides a clean, consistent interface for building secure and scalable workflows.

What You Can Do with the API

Contact & Tag Management

Create, update, search, and organize contacts with flexible tagging.

Email Sending & Tracking

Send emails via Gmail or Outlook integrations, with support for dynamic fields, personalization, and tracking pixels.

Activity & Analytics

Access detailed logs of sends, opens, replies, and bounces to measure performance and engagement.

Team & Roles

Secure access with team-scoped endpoints, ensuring that users only interact with data from their own organizations.

Automation Support

Use the API in bulk operations, automate campaigns, or embed CRM capabilities directly into your product.

Key Features

RESTful design with predictable URL structures and JSON responses.

Secure authentication with API keys

Error handling with clear, standardized responses.

Scalable endpoints for bulk fetch, create, and delete operations.

Flexible search across contacts, tags, deals, and activities.

Who Is This For?

This documentation is for developers and technical teams who want to:

Build integrations between LunarSend and external systems (e.g., marketing tools, customer portals).

Automate workflows such as syncing contacts, logging activities, or sending bulk personalized campaigns.

Extend CRM capabilities into internal dashboards or third-party applications.