> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.coperniq.io/api-reference/line-items/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.coperniq.io/_mcp/server. # Line Items > Official Coperniq API documentation. Build integrations for solar and construction project management — projects, opportunities, work orders, invoices, webhooks, and more. ## API Docs - [List Project Line Items](https://docs.coperniq.io/api-reference/line-items/list-project-line-items.md): Line Items - [Replace Project Line Items](https://docs.coperniq.io/api-reference/line-items/replace-project-line-items.md): Line Items - [Replace Work Order Line Items](https://docs.coperniq.io/api-reference/line-items/replace-work-order-line-items.md): Line Items ## OpenAPI Specification - [OpenAPI JSON](https://docs.coperniq.io/openapi.json): raw OpenAPI 3.1 specification for this API, JSON format - [OpenAPI YAML](https://docs.coperniq.io/openapi.yaml): raw OpenAPI 3.1 specification for this API, YAML format