# Integration patterns with Composable Commerce

Learn to design and implement robust integrations with third-party services using Composable Commerce.

**Learning objectives**

After completing this module, you should be able to:

- Differentiate between the core integration patterns: HTTP/GraphQL APIs, Import API, Subscriptions, and API Extensions.
- Understand the fundamental concepts of integrating external systems with a headless commerce platform.
- Analyze integration requirements and select the most suitable commercetools method for various technical scenarios.

**Agenda**

1. [Integration planning and patterns](/learning-integrate-with-composable-commerce/integration-patterns/integration-planning-and-patterns.md)
2. [Integration options](/learning-integrate-with-composable-commerce/integration-patterns/integration-options.md)
3. [Use case: Integrate with an external search engine](/learning-integrate-with-composable-commerce/integration-patterns/integrate-with-an-external-search-engine.md)
4. [Use case: Integrate with external product and inventory data](/learning-integrate-with-composable-commerce/integration-patterns/integrate-with-external-product-and-inventory-data.md)
5. [Learning check](/learning-integrate-with-composable-commerce/integration-patterns/learning-check.md)

**Prerequisites**

- [Import API](/learning-composable-commerce-developer-essentials/import-api/overview.md)
- [API Queries and Query Predicates](/learning-composable-commerce-developer-essentials/api-queries-query-predicates/overview.md)
- [GraphQL API](/learning-composable-commerce-developer-essentials/graphql/overview.md)
- [Extensibility overview](/learning-model-your-business-structure/extensibility/overview.md)

**Audience**

This module is designed for technical professionals responsible for connecting external systems with a commercetools Project, including:

- Developers
- Solution Architects
- Technical Business Analysts

## Related pages

- [Area overview page with navigation](/learning-integrate-with-composable-commerce.md)
- [Next page: Planning and patterns](/learning-integrate-with-composable-commerce/integration-patterns/integration-planning-and-patterns.md)