DialNexa Voices API
The Voices API from DialNexa — 5 operation(s) for voices.
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OpenAPI Specification
openapi: 3.2.0
info:
title: DialNexa Voices API
description: Public `/v1` REST API for the DialNexa voice AI platform.
version: 1.0.0
servers:
- url: https://api.dialnexa.com
description: DialNexa production API
security:
- bearer: []
tags:
- name: Voices
paths:
/v1/voices:
get:
description: Returns all available voices with optional filtering by provider, accent, gender, or name.
operationId: listVoices
parameters:
- name: provider
required: false
in: query
description: Filter by TTS provider
schema:
enum:
- elevenlabs
- smallestai
- sarvam
- cartesia
type: string
- name: accent
required: false
in: query
description: Accent of the voice
schema:
enum:
- indian
- british
- american
- canadian
- african
- australian
- swedish
type: string
- name: gender
required: false
in: query
description: Gender of the voice
schema:
enum:
- male
- female
- non-binary
type: string
- name: name
required: false
in: query
description: Search by voice name
schema:
example: English
type: string
- name: page
required: false
in: query
description: Page number (starts from 1)
schema:
default: '1'
example: 1
type: number
- name: limit
required: false
in: query
description: Max 50
schema:
default: '20'
example: 20
type: number
- name: language_id
required: false
in: query
description: Filter voices that support a specific language ID
schema:
example: abc12345678901
type: string
- name: llm_id
required: false
in: query
description: Filter voices compatible with a specific LLM ID (S2S models only)
schema:
example: abc12345678901
type: string
responses:
'200':
description: Voices returned successfully.
content:
application/json:
schema:
type: object
properties:
voices:
type: array
items:
type: object
total:
type: number
page:
type: number
limit:
type: number
totalPages:
type: number
examples:
success:
summary: Successful response
value:
voices:
- id: voice_abc123
name: Aditi
provider: elevenlabs
language_code: en-IN
gender: female
total: 1
page: 1
limit: 20
totalPages: 1
'401':
description: Unauthorized - missing or invalid API key.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 401 Unauthorized
value:
statusCode: 401
message: API key is missing or invalid
error: Unauthorized
'500':
description: Internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 500 Internal Server Error
value:
statusCode: 500
message: Internal server error
error: Internal Server Error
'403':
description: Forbidden - API key does not have access to this organization.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 403 Forbidden
value:
statusCode: 403
message: You do not have permission to access this resource
error: Forbidden
security:
- bearer: []
summary: List Voices
tags:
- Voices
/v1/voices/accents:
get:
description: Returns the distinct accent values across all available voices, optionally filtered by provider.
operationId: listVoiceAccents
parameters:
- name: provider
required: false
in: query
schema:
enum:
- elevenlabs
- smallestai
- sarvam
- cartesia
type: string
responses:
'200':
description: Voice accents returned successfully.
content:
application/json:
schema:
type: array
items:
type: string
example: indian
examples:
success:
summary: Successful response
value:
- indian
- american
- british
'401':
description: Unauthorized.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 401 Unauthorized
value:
statusCode: 401
message: API key is missing or invalid
error: Unauthorized
'500':
description: Internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 500 Internal Server Error
value:
statusCode: 500
message: Internal server error
error: Internal Server Error
'403':
description: Forbidden - API key does not have access to this organization.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 403 Forbidden
value:
statusCode: 403
message: You do not have permission to access this resource
error: Forbidden
security:
- bearer: []
summary: List Voice Accents
tags:
- Voices
/v1/voices/s2s:
get:
description: Returns voices that support speech-to-speech mode, along with their compatible languages and LLMs.
operationId: listSpeechToSpeechVoices
parameters: []
responses:
'200':
description: Speech to speech voices returned successfully.
content:
application/json:
schema:
$ref: '#/components/schemas/SpeechToSpeechVoicesResponse'
examples:
success:
summary: Successful response
value:
voices:
- id: voice_s2s_abc123
name: Realtime Voice
provider: openai
type: speech_to_speech
provider_voice_id: ash
gender: neutral
accent: null
icon: null
recording: null
languages: []
llms: []
'401':
description: Unauthorized.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 401 Unauthorized
value:
statusCode: 401
message: API key is missing or invalid
error: Unauthorized
'500':
description: Internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 500 Internal Server Error
value:
statusCode: 500
message: Internal server error
error: Internal Server Error
'403':
description: Forbidden - API key does not have access to this organization.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 403 Forbidden
value:
statusCode: 403
message: You do not have permission to access this resource
error: Forbidden
security:
- bearer: []
summary: List Speech To Speech Voices
tags:
- Voices
/v1/voices/{id}:
get:
operationId: getVoice
parameters:
- name: id
required: true
in: path
description: Voice ID
schema:
example: voice_abc123
type: string
responses:
'200':
description: Voice returned successfully.
content:
application/json:
schema:
type: object
properties:
id:
type: string
example: voice_abc123
name:
type: string
provider:
type: string
gender:
type: string
accent:
type: string
examples:
success:
summary: Successful response
value:
id: voice_abc123
name: Aditi
provider: elevenlabs
language_code: en-IN
gender: female
preview_url: https://example.com/preview.mp3
'401':
description: Unauthorized.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 401 Unauthorized
value:
statusCode: 401
message: API key is missing or invalid
error: Unauthorized
'404':
description: Voice not found.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 404 Not Found
value:
statusCode: 404
message: Voice not found
error: Not Found
'500':
description: Internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 500 Internal Server Error
value:
statusCode: 500
message: Internal server error
error: Internal Server Error
'403':
description: Forbidden - API key does not have access to this organization.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 403 Forbidden
value:
statusCode: 403
message: You do not have permission to access this resource
error: Forbidden
'400':
description: Invalid catalog ID format.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 400 Bad Request
value:
statusCode: 400
message: Invalid catalog ID format
error: Bad Request
security:
- bearer: []
summary: Get Voice Details
tags:
- Voices
description: Returns one voice catalog record by ID.
/v1/voices/{id}/languages:
get:
operationId: listVoiceLanguages
parameters:
- name: id
required: true
in: path
description: Voice ID
schema:
example: voice_abc123
type: string
responses:
'200':
description: Voice languages returned successfully.
content:
application/json:
schema:
type: array
items:
type: object
properties:
id:
type: string
example: lang_abc123
code:
type: string
example: en
name:
type: string
example: English
examples:
success:
summary: Successful response
value:
- id: lang_en_in
name: English (India)
code: en-IN
'401':
description: Unauthorized.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 401 Unauthorized
value:
statusCode: 401
message: API key is missing or invalid
error: Unauthorized
'404':
description: Voice not found.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 404 Not Found
value:
statusCode: 404
message: Voice not found
error: Not Found
'500':
description: Internal server error.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 500 Internal Server Error
value:
statusCode: 500
message: Internal server error
error: Internal Server Error
'403':
description: Forbidden - API key does not have access to this organization.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 403 Forbidden
value:
statusCode: 403
message: You do not have permission to access this resource
error: Forbidden
'400':
description: Invalid catalog ID format.
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
examples:
error:
summary: 400 Bad Request
value:
statusCode: 400
message: Invalid catalog ID format
error: Bad Request
security:
- bearer: []
summary: Get Voice Language Details
tags:
- Voices
description: Returns the languages supported by one voice.
components:
schemas:
SpeechToSpeechVoicesResponse:
type: object
properties:
voices:
type: array
items:
$ref: '#/components/schemas/SpeechToSpeechVoice'
required:
- voices
ErrorResponse:
type: object
properties:
statusCode:
type: integer
example: 400
message:
oneOf:
- type: string
- type: array
items:
type: string
example: phone_number must be a valid E.164 phone number
error:
type: string
example: Bad Request
required:
- statusCode
- message
- error
SpeechToSpeechModel:
type: object
properties:
id:
type: string
example: llm_abc123456789
name:
type: string
example: GPT Realtime 2
provider:
type: string
example: openai
provider_id:
type: string
example: gpt-realtime-2
required:
- id
- name
- provider
- provider_id
SpeechToSpeechLanguage:
type: object
properties:
id:
type: string
example: mj17k2hwviopty
name:
type: string
example: Hindi
code:
type: string
example: hi
required:
- id
- name
- code
SpeechToSpeechVoice:
type: object
properties:
id:
type: string
example: voice_abc123456789
name:
type: string
example: Ash
provider:
type:
- string
- 'null'
example: openai
provider_voice_id:
type:
- string
- 'null'
example: ash
gender:
type: string
example: male
accent:
type:
- string
- 'null'
example: american
icon:
type:
- string
- 'null'
recording:
type:
- string
- 'null'
languages:
type: array
items:
$ref: '#/components/schemas/SpeechToSpeechLanguage'
llms:
type: array
items:
$ref: '#/components/schemas/SpeechToSpeechModel'
required:
- id
- name
- provider
- provider_voice_id
- gender
- accent
- icon
- recording
- languages
- llms
securitySchemes:
bearer:
scheme: bearer
type: http