> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://mailchimp.com/developer/marketing/api/reports/sub-reports/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://mailchimp.com/developer/_mcp/server. # Sub reports > Find all the Mailchimp API documentation and tools developers need to send marketing and transactional emails. ## API Docs - Sub reports [List child campaign reports](https://mailchimp.com/developer/marketing/api/reports/sub-reports/list-sub-reports.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://mailchimp.com/developer/marketing/api/reports/sub-reports/openapi.json) - [OpenAPI YAML](https://mailchimp.com/developer/marketing/api/reports/sub-reports/openapi.yaml)