docs: add API entry points for local script examples

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## Examples
See what ComfyUI can do with the [newer template workflows](https://comfy.org/workflows) or old [example workflows](https://comfyanonymous.github.io/ComfyUI_examples/).
## API
If you want to automate local ComfyUI runs or integrate it into another tool:
- `openapi.yaml` documents the newer `/api/*` endpoints, including `POST /api/prompt`, `GET /api/queue`, and `GET /api/jobs/{job_id}`.
- [`script_examples/`](script_examples/README.md) contains small Python examples for the local scripting endpoints and websocket flow.
- In the UI, use `File -> Export (API)` to export the current workflow in API format before sending it to the backend.
## Features
- Nodes/graph/flowchart interface to experiment and create complex Stable Diffusion workflows without needing to code anything.
- NOTE: There are many more models supported than the list below, if you want to see what is supported see our templates list inside ComfyUI.

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# API Script Examples
This folder contains small Python examples for driving a local ComfyUI server from code.
## Files
- `basic_api_example.py`: submits a workflow exported from `File -> Export (API)`.
- `websockets_api_example.py`: submits a workflow, waits for completion over websocket, and then fetches generated images from history.
- `websockets_api_example_ws_images.py`: streams image bytes directly through the websocket with `SaveImageWebsocket` instead of saving files to disk first.
## What These Examples Use
These scripts target the local scripting routes exposed by `server.py`:
- `POST /prompt`
- `GET /history/{prompt_id}`
- `GET /queue`
- `GET /view`
- `GET /ws`
For the newer documented REST API, see [`openapi.yaml`](../openapi.yaml). In particular:
- `POST /api/prompt`
- `GET /api/queue`
- `GET /api/jobs/{job_id}`
## Usage Notes
1. Start ComfyUI locally, which defaults to `127.0.0.1:8188`.
2. Load or create a workflow in the UI.
3. Export the workflow with `File -> Export (API)`.
4. Replace the sample `prompt_text` in one of these scripts with the exported JSON if needed.
5. Make sure the referenced models and nodes are available in your local ComfyUI install.
## Dependencies
- `basic_api_example.py` uses only the Python standard library.
- The websocket examples also require `websocket-client`.
Install it with:
```bash
pip install websocket-client
```