# Use Cases

- [Fulfillment with API](/use-cases/fulfillment-with-api.md): Direct integration
- [Fulfillment with Self-Checkout](/use-cases/fulfillment-with-self-checkout.md): Direct sales with SQUAKE provided checkout page
- [Webhooks](/use-cases/webhooks.md): Using SQUAKE Webhooks API to receive notifications about your customers' purchase-related events
- [Webhooks API Reference](/use-cases/webhooks-api-reference.md): SQUAKE Webhooks API reference for creating, updating and deleting webhooks