# D3 Business API

## Docs

- [Authentication](https://docs.dragdropdo.com/business-api/authentication.md): How API key authentication works in the D3 Business API.
- [MCP clients (Claude Code, Cursor, custom)](https://docs.dragdropdo.com/business-api/mcp-clients.md): Connect AI assistants and applications to DragDropDo using the Model Context Protocol (MCP) over HTTPS.
- [Operations](https://docs.dragdropdo.com/business-api/operations.md): Create file operations such as convert, compress, merge, zip, and PDF utilities.
- [Overview](https://docs.dragdropdo.com/business-api/overview.md): High-level overview of the D3 Business API surface.
- [Status](https://docs.dragdropdo.com/business-api/status.md): Check operation and per-file status via the Business API.
- [Upload](https://docs.dragdropdo.com/business-api/upload.md): Upload files to D3 using presigned URLs.
- [Webhooks](https://docs.dragdropdo.com/business-api/webhooks.md): Configure webhooks to receive async operation events from D3.
- [D3 Business API](https://docs.dragdropdo.com/index.md): Home
- [Introduction](https://docs.dragdropdo.com/introduction.md): Overview of the D3 Business API for file upload and processing.
- [Quickstart](https://docs.dragdropdo.com/quickstart.md): Get started with the D3 Business API in minutes.
- [Go SDK](https://docs.dragdropdo.com/sdks/go.md): The official `dragdropdo-sdk-go` package provides a high‑level interface to the D3 Business API.
- [SDKs](https://docs.dragdropdo.com/sdks/index.md): Client SDKs for the D3 Business API.
- [Java SDK](https://docs.dragdropdo.com/sdks/java.md): The official `dragdropdo-sdk` package provides a high‑level interface to the D3 Business API.
- [Node.js SDK](https://docs.dragdropdo.com/sdks/node.md): The official `dragdropdo-sdk` package provides a high‑level, type‑safe interface to the D3 Business API.
- [PHP SDK](https://docs.dragdropdo.com/sdks/php.md): The official `dragdropdo/sdk` package provides a high‑level interface to the D3 Business API.
- [Python SDK](https://docs.dragdropdo.com/sdks/python.md): The official `dragdropdo-sdk` package provides a high‑level, type‑safe interface to the D3 Business API.
- [Ruby SDK](https://docs.dragdropdo.com/sdks/ruby.md): The official `dragdropdo-sdk` gem provides a high‑level interface to the D3 Business API.

## OpenAPI Specs

- [openapi](https://docs.dragdropdo.com/api-reference/openapi.json)