WellSaid Labs Pronunciation API

openapi: 3.0.1
info:
  title: WellSaid Labs Clips Pronunciation API
  description: REST API for WellSaid Labs AI text-to-speech. Render text to speech using studio-quality voice avatars via synchronous clip creation, low-latency audio streaming, and word-timing renders with subtitles. Authentication is performed with an X-Api-Key request header.
  termsOfService: https://wellsaidlabs.com/terms/
  contact:
    name: WellSaid Labs Support
    url: https://docs.wellsaidlabs.com
  version: '1.0'
servers:
- url: https://api.wellsaidlabs.com/v1
security:
- ApiKeyAuth: []
tags:
- name: Pronunciation
  description: Respelling suggestions and replacement libraries.
paths:
  /tts/respelling-suggestions:
    get:
      operationId: getRespellingSuggestions
      tags:
      - Pronunciation
      summary: Get respelling suggestions.
      description: Returns suggested respellings that shape the pronunciation of a word for use in renders or replacement libraries.
      parameters:
      - name: word
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Respelling suggestions.
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
        '401':
          $ref: '#/components/responses/Unauthorized'
  /tts/replacement-libraries:
    get:
      operationId: listReplacementLibraries
      tags:
      - Pronunciation
      summary: Get list of available replacement libraries.
      responses:
        '200':
          description: A list of replacement libraries.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ReplacementLibrary'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createReplacementLibrary
      tags:
      - Pronunciation
      summary: Create a new replacement library.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ReplacementLibrary'
      responses:
        '200':
          description: The created replacement library.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ReplacementLibrary'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /tts/replacement-libraries/{library-id}:
    get:
      operationId: getReplacementLibrary
      tags:
      - Pronunciation
      summary: Get information about a single replacement library.
      parameters:
      - name: library-id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A single replacement library.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ReplacementLibrary'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Replacement library not found.
    delete:
      operationId: deleteReplacementLibrary
      tags:
      - Pronunciation
      summary: Delete a replacement library.
      parameters:
      - name: library-id
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Replacement library deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Replacement library not found.
  /tts/replacement-libraries/{library-id}/replacements:
    get:
      operationId: listReplacements
      tags:
      - Pronunciation
      summary: Get list of replacements in a library.
      parameters:
      - name: library-id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A list of replacements.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Replacement'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createReplacement
      tags:
      - Pronunciation
      summary: Create a new replacement in a library.
      parameters:
      - name: library-id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Replacement'
      responses:
        '200':
          description: The created replacement.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Replacement'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /tts/replacement-libraries/{library-id}/replacements/{replacement-id}:
    get:
      operationId: getReplacement
      tags:
      - Pronunciation
      summary: Get details of a replacement.
      parameters:
      - name: library-id
        in: path
        required: true
        schema:
          type: string
      - name: replacement-id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: A single replacement.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Replacement'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Replacement not found.
    delete:
      operationId: deleteReplacement
      tags:
      - Pronunciation
      summary: Delete a replacement.
      parameters:
      - name: library-id
        in: path
        required: true
        schema:
          type: string
      - name: replacement-id
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Replacement deleted.
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Replacement not found.
components:
  schemas:
    ReplacementLibrary:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
    Replacement:
      type: object
      properties:
        id:
          type: string
        original:
          type: string
          description: The original word or phrase to replace.
        replacement:
          type: string
          description: The respelling or replacement applied during rendering.
  responses:
    BadRequest:
      description: Request failed input validation.
    Unauthorized:
      description: API key missing or invalid.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key