Mastering Lead API Documentation
Comprehensive REST API for powerful lead management integrations. Build custom applications, automate workflows, and extend your platform capabilities.
API Coverage
Access every feature of Mastering Lead through our comprehensive API
CRM & Contacts
Manage contacts, custom fields, tags, and bulk operations
Communication
Send SMS, emails, voicemails, and manage conversations
Calendar & Scheduling
Create appointments, manage calendars, and booking slots
Pipeline Management
Track opportunities, stages, and manage sales workflows
Payments
Process payments, manage subscriptions, and invoices
Webhooks
Real-time event notifications for your integrations
Quick Start Guide
Get up and running with the Mastering Lead API in minutes
Choose Integration Type
Decide between OAuth2 or API Key authentication based on your use case
Set Up Authentication
Generate API credentials from your Mastering Lead account settings
Make First API Call
Test your connection with a simple GET request to retrieve contacts
Build & Deploy
Integrate our API into your application and go live
Example API Request
Here's a simple example to get you started
curl -X GET "https://api.masteringlead.com/v1/contacts" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json"Developer Resources
Everything you need to build powerful integrations with Mastering Lead