> ## Documentation Index
> Fetch the complete documentation index at: https://portkey-docs-chore-model-provisioning-beta-feature-docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Create speech



## OpenAPI

````yaml https://raw.githubusercontent.com/PaloAltoNetworks/openapi/refs/heads/main/openapi.yaml post /audio/speech
openapi: 3.0.0
info:
  title: Prisma AIRS AI Gateway API
  version: 3.0.0
  description: ''
servers:
  - url: https://aigw.portkey.ai/v1
    description: Managed
  - url: https://self-hosted-gateway-url.example.com/v1
    description: Self-hosted -- replace with your own gateway host
security:
  - Authorization: []
tags:
  - name: Assistants
    description: ''
  - name: Audio
    description: ''
  - name: Batch
    description: ''
  - name: Chat
    description: ''
  - name: Completions
    description: ''
  - name: Embeddings
    description: ''
  - name: Files
    description: ''
  - name: Fine-Tuning
    description: ''
  - name: Images
    description: ''
  - name: Model Pricing
    description: ''
  - name: Models
    description: ''
  - name: Moderations
    description: ''
  - name: OCR
    description: ''
  - name: Realtime
    description: ''
  - name: Rerank
    description: ''
  - name: Responses
    description: ''
  - name: Vector Stores
    description: ''
  - name: Configs
    description: ''
  - name: Guardrails
    description: ''
  - name: Integrations
    description: ''
  - name: Integrations > Models
    description: ''
  - name: Integrations > Workspaces
    description: ''
  - name: Providers
    description: ''
  - name: Secret References
    description: ''
  - name: MCP Integrations
    description: ''
  - name: MCP Integrations > Capabilities
    description: ''
  - name: MCP Integrations > Metadata
    description: ''
  - name: MCP Integrations > Workspaces
    description: ''
  - name: MCP Servers
    description: ''
  - name: MCP Servers > Capabilities
    description: ''
  - name: MCP Servers > Connections
    description: ''
  - name: MCP Servers > User Access
    description: ''
  - name: API Keys
    description: ''
  - name: Deployments
    description: ''
  - name: Org Guardrails
    description: ''
  - name: Rate Limit Policies
    description: ''
  - name: Usage Limit Policies
    description: ''
  - name: Analytics > Graphs
    description: ''
  - name: Analytics > Groups
    description: ''
  - name: Analytics > Summary
    description: ''
  - name: Feedback
    description: ''
  - name: Logs
    description: ''
paths:
  /audio/speech:
    post:
      tags:
        - Audio
      operationId: createSpeech
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateSpeechRequest'
      responses:
        '200':
          description: ''
          headers:
            Transfer-Encoding:
              schema:
                type: string
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
components:
  schemas:
    CreateSpeechRequest:
      type: object
      additionalProperties: false
      properties:
        model:
          anyOf:
            - type: string
            - type: string
              enum:
                - tts-1
                - tts-1-hd
          x-oaiTypeLabel: string
        input:
          type: string
          maxLength: 4096
        voice:
          type: string
          enum:
            - alloy
            - echo
            - fable
            - onyx
            - nova
            - shimmer
        response_format:
          default: mp3
          type: string
          enum:
            - mp3
            - opus
            - aac
            - flac
            - wav
            - pcm
        speed:
          type: number
          default: 1
          minimum: 0.25
          maximum: 4
      required:
        - model
        - input
        - voice
  securitySchemes:
    Authorization:
      type: http
      scheme: bearer

````