Lyria 2 (High Quality) - Ekly API

Google’s production Lyria 2 model via Vertex AI. One ~30s, 48 kHz stereo WAV clip per request. Supports negative prompts and seed for reproducibility.


Model id	`lyria-002`
Media	audio
Submit to	`POST /v1/audio`
Price	24 credits per_generation before discounts
Typical time	about 30.0 s

Request

Required: prompt_tags
Optional: duration, energy, negative_prompt, sample_count, seed, tempo

{
  "model": "lyria-002",
  "prompt_tags": [
    "warm indian wedding underscore soft tablas strings hopeful"
  ],
  "duration": 30,
  "energy": "medium",
  "sample_count": 1,
  "tempo": "medium"
}

Field	Allowed	Default
`duration`	5.0 – 30.0	`30`
`energy`	`low`, `medium`, `high`	`"medium"`
`negative_prompt`	text
`sample_count`	1.0 – 4.0	`1`
`seed`	number
`tempo`	`slow`, `medium`, `fast`	`"medium"`

Reference inputs take asset ids from POST /v1/uploads or an earlier output’s asset_id. Prices and allowed values come from the live catalog; GET /v1/models/lyria-002 is always current.