Octen Embedding API

openapi: 3.2.0
info:
  title: Octen Ai Embedding API
  version: 1.0.0
  description: 'Operations tagged Embedding across 2 of this provider''s published API definitions: octen-ai-openapi.json, octen-ai-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.octen.ai
security:
- bearerAuth: []
- apiKeyAuth: []
tags:
- name: Embedding
paths:
  /embedding:
    post:
      summary: Embedding
      description: Converts text into vector representations. Supports batch input, multiple models, and configurable output dimensions.
      operationId: embedding
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EmbeddingRequest'
            examples:
              singleInput:
                summary: Single Input
                value:
                  input:
                  - What is vector search?
                  model: octen-embedding-8b
                  dimension: 4096
                  input_type: query
              batchInput:
                summary: Batch Input
                value:
                  input:
                  - Vector databases store embeddings.
                  - Embeddings enable semantic search.
                  model: octen-embedding-0.6b
                  input_type: document
      responses:
        '200':
          description: Successful embedding response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EmbeddingResponse'
              example:
                code: 0
                msg: success
                request_id: req_abc123def456
                data:
                  results:
                  - index: 0
                    embedding:
                    - 0.0123
                    - -0.0456
                    - 0.0789
                  - index: 1
                    embedding:
                    - -0.0011
                    - 0.0234
                    - 0.0567
                  model: octen-embedding-0.6b
                meta:
                  usage:
                    input_tokens: 128
                  warning: Input was truncated for one or more items.
        '400':
          description: Missing required parameter — Returned when a required parameter is missing.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                code: 400
                msg: Missing required parameter
                request_id: req_abc123def456
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/InsufficientBalance'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
      tags:
      - Embedding
    servers:
    - url: https://api.octen.ai
components:
  schemas:
    EmbeddingResponse:
      type: object
      properties:
        code:
          type: integer
          description: Business status code. 0 indicates success.
        msg:
          type: string
          description: A message describing the result.
        request_id:
          type: string
          description: The unique identifier for this request.
        data:
          $ref: '#/components/schemas/EmbeddingData'
        meta:
          $ref: '#/components/schemas/EmbeddingMeta'
    EmbeddingRequest:
      type: object
      required:
      - input
      properties:
        input:
          type: array
          items:
            type: string
          default:
          - What is vector search?
          maxItems: 1000
          description: 'The text to be converted into embeddings. Maximum characters per element: 10000. Maximum request body size: 2MB'
        model:
          type: string
          enum:
          - octen-embedding-0.6b
          - octen-embedding-4b
          - octen-embedding-8b
          default: octen-embedding-4b
          description: 'The embedding model used for this request. `octen-embedding-0.6b` (max dim: 1024) for cost/throughput priority; `octen-embedding-4b` (max dim: 2560) for most applications; `octen-embedding-8b` (max dim: 4096) for accuracy-critical tasks.'
        dimension:
          type: integer
          description: 'The dimensionality of the output embedding vectors. Defaults to the model''s max dimension (0.6b: 1024, 4b: 2560, 8b: 4096). If set to a value smaller than the model default, the embedding will be truncated to the first N values. Any positive integer ≤ model default dimension is allowed.'
        input_type:
          type: string
          enum:
          - query
          - document
          nullable: true
          default: null
          description: 'Specifies whether the input is a query or a document for retrieval. Different values apply different internal prompts: `query` → "Represent the query for retrieving supporting" (prepended and counted in input_tokens); `document` and `null` mean no special prompt is applied.'
    EmbeddingData:
      type: object
      description: The main embedding response payload.
      properties:
        results:
          type: array
          description: A list of embedding results. Each item corresponds to one input.
          items:
            $ref: '#/components/schemas/EmbeddingResult'
        model:
          type: string
          description: The embedding model used for this request.
    EmbeddingUsage:
      type: object
      description: Usage information for the embedding request.
      properties:
        input_tokens:
          type: integer
          description: The number of input tokens processed in this request.
    ErrorResponse:
      type: object
      properties:
        code:
          type: integer
          description: Business status code. Non-zero values indicate an error.
        msg:
          type: string
          description: A message describing the error.
        request_id:
          type: string
          description: Unique identifier for the request.
      required:
      - code
      - msg
      - request_id
    EmbeddingMeta:
      type: object
      description: Additional metadata for the embedding request.
      properties:
        usage:
          $ref: '#/components/schemas/EmbeddingUsage'
        warning:
          type: string
          nullable: true
          description: Optional warning message.
    EmbeddingResult:
      type: object
      description: A single embedding result.
      properties:
        index:
          type: integer
          description: The position of the embedding in the input array (useful when input is a list).
        embedding:
          type: array
          items:
            type: number
          description: The generated embedding vector.
  responses:
    RateLimited:
      description: Exceeding the rate limit — Returned when the request exceeds the configured rate limit.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 429
            msg: Exceeding the rate limit
            request_id: req_abc123def456
    Unauthorized:
      description: Invalid API Key — Returned when the API key is missing or invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 401
            msg: Invalid API Key
            request_id: req_abc123def456
    InternalError:
      description: Internal error — Returned when an unexpected server-side error occurs.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 500
            msg: Internal error
            request_id: req_abc123def456
    InsufficientBalance:
      description: Insufficient balance in account — Returned when the account balance is insufficient to complete the request.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            code: 403
            msg: Insufficient balance in account
            request_id: req_abc123def456
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Bearer token used for request authentication. Alternatively, you can send the API key in the `x-api-key` header. Note: A payment method is required to use the API.'
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: 'API key used for request authentication. Alternatively, you can send the key as a Bearer token in the `Authorization` header. Note: A payment method is required to use the API.'
    bearerAuthNoPayment:
      type: http
      scheme: bearer
      description: Bearer token used for request authentication. Alternatively, you can send the API key in the `x-api-key` header.
    apiKeyAuthNoPayment:
      type: apiKey
      in: header
      name: x-api-key
      description: API key used for request authentication. Alternatively, you can send the key as a Bearer token in the `Authorization` header.
x-refined-from:
- octen-ai-openapi.json
- octen-ai-openapi.yml