Triggers when a membership is canceled, expired, or past due.

Triggers when a payment is initiated but not yet completed (e.g., ACH/bank transfer processing, crypto confirmation pending).

Extend a membership by adding free days to the renewal or expiration date. Useful for promotions, rewards, or customer support adjustments.

Archive an affiliate to stop them from earning commissions on new referrals.

Find an existing affiliate or create a new one from a Whop username, email, or user ID.

Creates an invoice for any recipient, including existing members or external customers.

Create a new payment by charging a member's saved payment method.

Create a promo code that applies discounts or free periods to selected plans or all plans.

Pause payment collection on a membership. The member keeps access but billing stops.

Resume payment collection on a paused membership. Billing will restart.

Reverse a scheduled cancellation. The membership will continue to renew instead of ending.

Modify a membership's metadata.

Retrieve the fee breakdown for a payment. Shows platform fees, processing fees, and net amount.

Search for waitlist entries with optional filters.

Find a entry by ID.

Retrieve a lead by its unique ID. Leads are potential customers who have shown interest.

Retrieve a payment by its unique ID. Payments represent completed or attempted transactions.

Retrieve a product by its unique ID. Products represent what customers purchase from your organization.

Creates a handwritten card & adds to your cart. Use when you want to finalize & send your orders directly in PenPals.

Schedules a handwritten card to send at a future date. Note: requires active payment method in your PenPals account.

Triggers when a payment attempt fails.

Triggers when a payment is successfully completed.

Approve a waitlist application.

Cancel an active membership so it will no longer renew and access can be revoked.

Create a checkout session for a plan and get a unique checkout link. Optionally embed metadata (like an external user ID) that is returned in the payment webhook when the customer completes their purchase.

Add a prospect to track interest before they purchase. Leads can be company-wide or product-specific.

Create a new pricing plan for a product. Plans define how customers purchase a product, including price, billing period, and availability.

Deny a waitlist application.

Refund a payment.

Reactivate an archived affiliate so they can earn commissions on new referrals again.

Update a lead's referrer or metadata for tracking.

Void an invoice.

Find a member by ID, email, username, or name.

Search for products.

Retrieve an invoice by its unique ID. Invoices are bills sent to customers for payment.

Retrieve a membership by its unique ID. A membership represents a user's access to a purchased product.

Retrieve a plan by its unique ID. Plans define pricing, billing behavior, and how a product is sold.

Retrieve a refund by its unique ID. Refunds represent money returned to customers.

Adds a recipient to your address book.

Sends a handwritten card. Note: requires active payment method in your PenPals account.