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Start with a checkout sequence diagram that shows the shopper, application, payment provider, and fulfillment handoffs. Manage code and settings in one place, then export the result as SVG or PNG.
Copy this starting point, replace the labels with your own domain, and preview the result in the editor.
sequenceDiagram
actor User
participant App
participant Billing
User->>App: Plan Select
App->>Billing: Checkout Start
Billing-->>User: Payment Screen
User->>Billing: Payment complete
Billing-->>App: Subscription Renewal
App-->>User: Paid Features EnableCheckout depends on timing between several services, so a sequence diagram makes requests, responses, and webhooks easier to review.
Yes. Extend it with a separate refund or cancellation branch and label the provider response clearly.
Declare each participant explicitly.
Use solid and dotted arrows to distinguish requests and responses.
sequenceDiagram
actor User
participant App
participant Billing
User->>App: Plan Select
App->>Billing: Checkout Start
Billing-->>User: Payment Screen
User->>Billing: Payment complete
Billing-->>App: Subscription Renewal
App-->>User: Paid Features EnableEXPLORE
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Describe the steps between a shopper, checkout, payment, and fulfillment.
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