> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vidgo.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Chat Completions

> OpenAI-compatible chat completions for Kimi K3 and Claude 5

Use `kimi-k3`, `claude-sonnet-5`, or `claude-opus-5`. Set `stream: true` for an SSE response.

```bash theme={null}
curl https://api.vidgo.ai/v1/chat/completions \
  -H "Authorization: Bearer $VIDGO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"kimi-k3","messages":[{"role":"user","content":"Hello"}]}'
```


## OpenAPI

````yaml POST /v1/chat/completions
openapi: 3.1.0
info:
  title: Vidgo Chat Completions
  version: 1.0.0
servers:
  - url: https://api.vidgo.ai
security: []
paths:
  /v1/chat/completions:
    post:
      summary: Create a chat completion
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - model
                - messages
              properties:
                model:
                  type: string
                  enum:
                    - kimi-k3
                    - claude-sonnet-5
                    - claude-opus-5
                messages:
                  type: array
                  items:
                    type: object
                    additionalProperties: true
                stream:
                  type: boolean
                  default: false
              additionalProperties: true
      responses:
        '200':
          description: Completion or SSE stream
        '400':
          description: Unsupported model or protocol
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````