openapi: 3.1.0
info:
  title: CAST AI Kubernetes Cost Optimization AI Enabler API
  description: CAST AI is a Kubernetes cost optimization platform that provides APIs for managing clusters, autoscaling, node configuration, workload optimization, cost reporting, security insights, and more. The platform continuously monitors clusters and optimizes them for cost efficiency using autoscaling, spot instance automation, bin packing, and other techniques.
  version: 1.0.0
  contact:
    name: CAST AI
    url: https://cast.ai
  termsOfService: https://cast.ai/terms-of-service
servers:
- url: https://api.cast.ai/v1
  description: CAST AI Production API
security:
- ApiKeyAuth: []
tags:
- name: AI Enabler
  description: Manage LLM provider integrations and AI enabler functionality for intelligent optimization.
paths:
  /llm/providers:
    get:
      operationId: AIEnablerProvidersAPI_GetProviders
      summary: CAST AI Get LLM providers
      description: Gets the list of registered LLM providers.
      tags:
      - AI Enabler
      responses:
        '200':
          description: Successful response with list of providers.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMProvidersResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: AIEnablerProvidersAPI_RegisterProviders
      summary: CAST AI Register LLM providers
      description: Registers LLM providers.
      tags:
      - AI Enabler
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RegisterProvidersRequest'
      responses:
        '200':
          description: Providers registered successfully.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LLMProvidersResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    Unauthorized:
      description: Authentication failed. Invalid or missing API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    LLMProvider:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        type:
          type: string
        status:
          type: string
    RegisterProvidersRequest:
      type: object
      properties:
        providers:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              type:
                type: string
              apiKey:
                type: string
              endpoint:
                type: string
    Error:
      type: object
      properties:
        message:
          type: string
          description: Human-readable error message.
        code:
          type: integer
          description: Error code.
    LLMProvidersResponse:
      type: object
      properties:
        providers:
          type: array
          items:
            $ref: '#/components/schemas/LLMProvider'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key for authentication. Create access keys from the CAST AI console under API > API access keys.
externalDocs:
  description: CAST AI API Documentation
  url: https://docs.cast.ai/docs/api