verging-ai-tts

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Convert text to speech audio using OpenAI TTS-1-HD through the verging.ai proxy API. Supports multiple voices, playback speed control, and various audio output formats.

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Text-to-Speech — verging.ai

Convert text to speech audio using OpenAI TTS-1-HD through the verging.ai proxy API.

Authentication

All requests require an API key in the Authorization header:

Authorization: ApiKey vrg_sk_xxx

Replace vrg_sk_xxx with your verging.ai API key. You can generate one at https://verging.ai under your account settings.

Endpoint

POST https://verging.ai/api/v1/ai/tts
Content-Type: application/json

Parameters

Parameter	Type	Required	Default	Description
input	string	Yes	—	Text to convert to speech (max 4096 characters)
voice	string	No	alloy	Voice to use (see options below)
model	string	No	tts-1-hd	TTS model
response_format	string	No	mp3	Audio output format
speed	float	No	1.0	Playback speed (0.25–4.0)

Available Voices

Voice	Description
alloy	Neutral, balanced
echo	Warm, rounded
fable	Expressive, British
onyx	Deep, authoritative
nova	Friendly, upbeat
shimmer	Soft, gentle

Example

curl -X POST https://verging.ai/api/v1/ai/tts \
  -H "Authorization: ApiKey vrg_sk_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "input": "Hello! Welcome to verging.ai, your AI services platform.",
    "voice": "nova",
    "speed": 1.1
  }'

Response

{
  "audio_url": "https://cdn.verging.ai/proxy/tts/abc123.mp3",
  "credits_consumed": 1
}

audio_url — CDN URL of the generated audio file.
credits_consumed — Credits deducted for this request.

Credits

Rate	Minimum
1 credit / 1K characters	1 credit

Error Codes

HTTP Status	Error Code	Description
400	—	Input exceeds 4096 characters or invalid params
402	40001	Insufficient credits
429	—	Rate limit exceeded (check `X-RateLimit-Reset`)
502	—	Upstream provider error
503	—	Service unavailable or upstream timeout

Error response format:

{
  "error_code": 40001,
  "message": "Insufficient credits. Required: 2, available: 0",
  "upstream_error": null
}