Introduction

Build AI agents and integrations on top of Leonar CRM.

Leonar is a recruiting CRM that helps teams manage contacts, companies, deals, projects, and outreach sequences. The Leonar API lets you programmatically access and manage all of this data.

What you can do

Manage contacts

Create, search, update, and enrich contacts with emails and phone numbers.

Automate outreach

Enroll contacts in sequences, send messages via email or WhatsApp.

Track deals

Create and manage deals through pipeline stages, from qualification to close.

Base URL

All API requests use the following base URL:

https://app.leonar.app/api/v1

Quick example

curl -X GET "https://app.leonar.app/api/v1/contacts?limit=10" \
  -H "Authorization: Bearer leo_your_api_key"

{
  "data": [
    {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "first_name": "Sophie",
      "last_name": "Martin",
      "title": "Senior Developer",
      "current_company": "Doctolib",
      "emails": [{"email": "[e-mail]", "type": "work"}],
      "created_at": "2026-01-15T10:30:00Z"
    }
  ],
  "meta": {
    "total": 1250,
    "limit": 10,
    "offset": 0,
    "has_more": true
  }
}

Next steps

Authentication

Set up your API key and understand scopes.

Quickstart

Build your first integration in 5 minutes.