2025-05-01 10:35:19 -05:00

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# ComfyUI API Nodes
## Introduction
Below are a collection of nodes that work by calling external APIs. More information available in our [docs](https://docs.comfy.org/tutorials/api-nodes/overview#api-nodes).
## Development
API stubs are generated through automatic codegen tools from OpenAPI definitions. Since the Comfy Org OpenAPI definition contains many things from the Comfy Registry as well, we use redocly/cli to filter out only the paths relevant for API nodes.
### Redocly Instructions
**Tip**
When developing locally, use the `redocly-dev.yaml` file to generate pydantic models. This lets you use stubs for APIs that are not marked `Released` yet.
Before your API node PR merges, make sure to add the `Released` tag to the `openapi.yaml` file and test in staging.
```bash
# Download the OpenAPI file from prod server.
curl -o openapi.yaml https://api.comfy.org/openapi
# Filter out unneeded API definitions.
npm install -g @redocly/cli
redocly bundle openapi.yaml --output filtered-openapi.yaml --config comfy_api_nodes/redocly-dev.yaml --remove-unused-components
# Generate the pydantic datamodels for validation.
datamodel-codegen --use-subclass-enum --input filtered-openapi.yaml --output comfy_api_nodes/apis/__init__.py --output-model-type pydantic_v2.BaseModel
```