Cast AI Embeddings API

openapi: 3.2.0
info:
  title: AI Enabler Embeddings API
  version: 0.0.1
  description: Provides the API for Embeddings data management.
servers:
- url: https://api.cast.ai/
  description: US endpoint
- url: https://api.eu.cast.ai/
  description: EU endpoint
security:
- BearerAuth: []
- ApiKeyAuth: []
tags:
- name: EmbeddingsAPI
  description: Provides the API for Embeddings data management.
paths:
  /ai-optimizer/v1beta/organizations/{organizationId}/clusters/{clusterId}/embeddings:
    post:
      tags:
      - EmbeddingsAPI
      summary: Create cluster embedding
      description: Reports cluster-specific metadata for embedding request.
      operationId: EmbeddingsAPI_CreateClusterEmbedding
      parameters:
      - name: organizationId
        in: path
        description: The ID of the Organization.
        required: true
        schema:
          type: string
      - name: clusterId
        in: path
        description: The ID of the Cluster.
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Embedding'
        required: true
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Embedding'
        default:
          description: Default error response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Status'
  /ai-optimizer/v1beta/organizations/{organizationId}/embeddings:
    post:
      tags:
      - EmbeddingsAPI
      summary: Create embedding
      description: Reports the metadata for embedding request.
      operationId: EmbeddingsAPI_CreateEmbedding
      parameters:
      - name: organizationId
        in: path
        description: The ID of the Organization.
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Embedding'
        required: true
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Embedding'
        default:
          description: Default error response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Status'
components:
  schemas:
    Status:
      type: object
      properties:
        code:
          type: integer
          description: The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code].
          format: int32
        message:
          type: string
          description: A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
        details:
          type: array
          items:
            $ref: '#/components/schemas/GoogleProtobufAny'
          description: A list of messages that carry the error details.  There is a common set of message types for APIs to use.
      description: 'The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by [gRPC](https://github.com/grpc). Each `Status` message contains three pieces of data: error code, error message, and error details. You can find out more about this error model and how to work with it in the [API Design Guide](https://cloud.google.com/apis/design/errors).'
    ProxyResponse:
      required:
      - httpStatusCode
      - duration
      - proxyDuration
      type: object
      properties:
        httpStatusCode:
          type: integer
          description: The HTTP status code of the LLM Provider response.
          format: int32
        duration:
          pattern: ^-?(?:0|[1-9][0-9]{0,11})(?:\.[0-9]{1,9})?s$
          type: string
          description: The duration of the request to the LLM provider in nanoseconds.
        rateLimitedUntilTime:
          type: string
          description: The timestamp until which the request is rate-limited.
          format: date-time
        proxyDuration:
          pattern: ^-?(?:0|[1-9][0-9]{0,11})(?:\.[0-9]{1,9})?s$
          type: string
          description: The duration of the proxy request in nanoseconds.
      description: Response message for the proxy response.
    Embedding:
      required:
      - id
      - model
      - provider
      - providerName
      - providerModel
      - castaiApiKey
      - promptTokens
      - proxyResponse
      - auditEvents
      type: object
      properties:
        id:
          type: string
          description: The ID of the request.
        model:
          type: string
          description: The model used to generate embedding.
        provider:
          type: string
          description: The provider used to generate embedding.
        providerName:
          type: string
          description: The name of the provider used to generate embedding.
        providerModel:
          type: string
          description: The model used by the provider to generate embedding.
        apiKeyAlias:
          type: string
          description: The alias of the API key used to generate embedding.
        castaiApiKey:
          type: string
          description: The Cast AI API key used to generate embedding.
        promptTokens:
          type: integer
          description: The number of tokens in the prompt.
          format: int32
        proxyResponse:
          allOf:
          - $ref: '#/components/schemas/ProxyResponse'
          description: The proxy response data.
        auditEvents:
          type: array
          items:
            $ref: '#/components/schemas/AuditEvent'
          description: Audit events that happened during proxying
        tags:
          type: array
          items:
            type: string
          description: The tags attached to request
        teamId:
          type: string
          description: Team identifier for filtering analytics by team.
      description: The embedding report.
    AuditEvent:
      required:
      - type
      - data
      - createTime
      type: object
      properties:
        type:
          type: string
          description: The type of audit event
        data:
          type: string
          description: JSON event data
          format: bytes
        createTime:
          type: string
          description: The time when event was created in the proxy
          format: date-time
      description: Audit event data
    GoogleProtobufAny:
      type: object
      properties:
        '@type':
          type: string
          description: The type of the serialized message.
      additionalProperties: true
      description: Contains an arbitrary serialized message along with a @type that describes the type of the serialized message.
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
x-provenance:
  method: searched
  source: https://docs.cast.ai/reference
  harvested: '2026-10-20'
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