Management FEATURED In Stock
WHMCS REST API Module
Let clients sell your products via API
WHMCS WHMCS 8.13
PHP 8.1+
5.0 / 5
Allow your clients and resellers to sell your products using a professional REST API. Perfect for automation, third-party integrations, and building custom storefronts. 100% tested and production-ready.
Key features
- Full REST API for all WHMCS operations
- Secure API key authentication
- Rate limiting and quota management
- Complete order and provisioning API
- Client management endpoints
- Invoice and payment API
- Product catalog API
- Webhook notifications
- Detailed API documentation
- SDK and code samples
Why customers buy this module
- →Let resellers build custom storefronts
- →Automate bulk operations
- →Integrate with any third-party system
- →Scale your business with API partners
Frequently asked questions
What's the difference between Regular and Open Source?
Regular license ($499) includes the encrypted module with full features. Open Source license ($1499) includes full unencrypted source code, allowing you to modify and customize the module.
Can my clients use the API to create orders?
Yes! The API supports full order creation, client registration, and service provisioning - perfect for resellers building their own storefronts.
Is there rate limiting?
Yes, configurable rate limits per API key to prevent abuse. You control how many requests each client can make.
Technical specifications
- supportedVersions
- WHMCS 7.0 through 8.x
- installation
- Upload module, configure API keys, set permissions
- requirements
- PHP 7.4+, MySQL 5.7+, WHMCS 7.0+
- adminUI
- API management dashboard, usage analytics, key management