> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://mailchimp.com/developer/marketing/api/e-commerce/customers/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://mailchimp.com/developer/_mcp/server. # Customers > Find all the Mailchimp API documentation and tools developers need to send marketing and transactional emails. ## API Docs - Customers [List customers](https://mailchimp.com/developer/marketing/api/e-commerce/customers/list-store-customers.md) - Customers [Add customer](https://mailchimp.com/developer/marketing/api/e-commerce/customers/create-store-customer.md) - Customers [Get customer info](https://mailchimp.com/developer/marketing/api/e-commerce/customers/get-store-customer.md) - Customers [Update customer](https://mailchimp.com/developer/marketing/api/e-commerce/customers/update-store-customer.md) - Customers [Add or update customer](https://mailchimp.com/developer/marketing/api/e-commerce/customers/upsert-store-customer.md) - Customers [Delete customer](https://mailchimp.com/developer/marketing/api/e-commerce/customers/delete-store-customer.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://mailchimp.com/developer/openapi.json) - [OpenAPI YAML](https://mailchimp.com/developer/openapi.yaml)