Description
Digital Product Checkout
Lemon Squeezy Payment Integration for WHMCS
Lemon Squeezy Payment Integration for WHMCS allows you to connect your WHMCS billing system with Lemon Squeezy checkout for digital products, one-time purchases, and subscription-based services.
The module creates Lemon Squeezy checkout links from WHMCS invoices, selects the correct variant based on the invoice billing cycle, and uses webhook notifications to apply payment to the matching WHMCS invoice.
Hosted Checkout for Digital Businesses
Let Lemon Squeezy handle the customer checkout experience while WHMCS continues managing invoices, clients, services, and billing records. Customers can pay through a clean hosted checkout instead of entering payment details locally in WHMCS.
Core Features
- Lemon Squeezy API Integration: Connect using your Lemon Squeezy API key and store ID.
- Hosted Checkout Links: Generate Lemon Squeezy checkout URLs directly from WHMCS invoices.
- One-Time Product Support: Configure a dedicated variant ID for one-time WHMCS invoices.
- Subscription Variant Mapping: Map WHMCS billing cycles to Lemon Squeezy monthly, quarterly, semi-annual, annual, biennial, and triennial variants.
- Customer Prefill: Send the client’s name and email address to the Lemon Squeezy checkout.
- Invoice Metadata: Attach the WHMCS invoice ID as checkout custom data for accurate payment matching.
- Webhook Callback URL: Displays the exact WHMCS callback URL to configure inside Lemon Squeezy.
- Automatic Payment Recording: Applies payment to the matching invoice when the configured webhook event is received.
Billing Cycle Mapping
The module can automatically choose the correct Lemon Squeezy variant according to the WHMCS invoice billing cycle. This helps you offer different Lemon Squeezy products or plans for each billing term.
- One-time product variant
- Monthly subscription variant
- Quarterly subscription variant
- Semi-annual subscription variant
- Annual subscription variant
- Biennial subscription variant
- Triennial subscription variant
Customer Checkout Flow
- The customer opens an unpaid WHMCS invoice.
- The module detects whether the invoice is one-time or recurring.
- A Lemon Squeezy checkout URL is created using the correct variant ID.
- The customer completes payment or subscription checkout on Lemon Squeezy.
- WHMCS receives the webhook event and records payment against the invoice.
Admin Configuration
- Add your Lemon Squeezy API key.
- Enter your Lemon Squeezy Store ID.
- Configure variant IDs for one-time and recurring billing cycles.
- Copy the generated callback URL into Lemon Squeezy webhook settings.
- Select the required webhook event for payment automation.
Why Choose This Module?
- Great for Digital Products: Connect WHMCS billing with Lemon Squeezy checkout for downloadable and online services.
- Subscription Friendly: Map WHMCS billing terms to matching Lemon Squeezy subscription variants.
- Cleaner Checkout: Customers pay through Lemon Squeezy’s hosted payment page.
- Automated Invoice Matching: Uses WHMCS invoice metadata to apply payment to the correct invoice.
- Simple Setup: Configure API details, store ID, variant IDs, and webhook URL from the WHMCS gateway settings.
Ideal For
- Digital product sellers
- SaaS businesses
- Software license providers
- Online service providers
- WHMCS businesses using Lemon Squeezy checkout
Requirements
A Lemon Squeezy account, API key, Store ID, configured product or subscription variant IDs, webhook setup, and PHP cURL support are required.
Connect Lemon Squeezy Checkout with WHMCS
Lemon Squeezy Payment Integration for WHMCS helps digital businesses sell one-time products and subscription plans through Lemon Squeezy while keeping WHMCS invoice records automatically connected.
