FastSpring
FastSpring handles payments, subscriptions, and tax for software and digital products.
1. Get credentials
Sign in at FastSpring. Go to Developer → API Credentials and note your API Username and API Password. Note your storefront host (e.g. yourcompany.onfastspring.com).
2. Create the provider in Casdoor
Providers → Add. Set Category to Payment, Type to FastSpring. Fill in:
| Casdoor | FastSpring |
|---|---|
| Client ID | API Username |
| Client secret | API Password |
| Host | Storefront host (e.g. mycompany.onfastspring.com) |
3. Attach to a product
Add the FastSpring provider to the product in Casdoor. Users are redirected to FastSpring for checkout and returned to your app after payment.