Multilingual V2

POST/v1/run

Multilingual V2 is ElevenLabs's AI audio generation model. Produce high-quality music tracks, sound effects, and audio landscapes from natural language prompts.

Request body

Submit an async generation request. The model field selects the model; other fields are model-specific input parameters.

stringmodelrequired

Model identifier. Set to elevenlabs/multilingual-v2.

Default: elevenlabs/multilingual-v2

Optional<string>text

The text to convert to speech

Optional<string>voice

The voice to use for speech generation

Default: Rachel

Optional<string>language_code

Language code (ISO 639-1) used to enforce a language for the model.

Allowed values: , en, ja, zh, de, hi, fr, ko, pt, it, es, id, nl, tr, fil, pl, sv, bg, ro, ar, cs, el, fi, hr, ms, sk, da, ta, uk, ru

Optional<number>stability

Voice stability (0-1)

Range: 0 to 1

Default: 0.5

Optional<number>speed

Speech speed (0.7-1.2). Values below 1.0 slow down the speech, above 1.0 speed it up. Extreme values may affect quality.

Range: 0.7 to 1.2

Default: 1

Response Schema

The submit endpoint returns a run response. If its status is pending or running, poll GET /v1/run/{id} with the returned opaque ID until it reaches a terminal state.

stringidrequired

Opaque SandBase run identifier. Use it exactly as returned; no prefix is guaranteed.

stringstatusrequired

Current public run status.

Allowed values: pending, running, completed, failed, timeout

Optional<string>model

Public SandBase model name used for this run.

Optional<array<object>>outputs

Present only for completed runs. Each object is capability-specific; inspect the selected model schema for its fields.

Optional<object>error

Present only for failed or timeout runs. Contains a public error type and sanitized message.

Optional<string>error.type

Stable public error category.

Optional<string>error.message

Sanitized error message safe to show to clients.

Optional<object>usage

Usage details when available.

Model capabilities

array<string>capability_tagsrequired

Capabilities declared by the model registry.

Default: text-to-audio

stringexecution_moderequired

Execution mode declared by the model registry.

Default: async

# 1. Submit a generation request
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "elevenlabs/multilingual-v2",
  "text": "Hello! This is a test of the text to speech system, powered by ElevenLabs. How does it sound?",
  "voice": "Rachel"
}'

# 2. If the response is still running, poll the returned id
curl https://api.sandbase.ai/v1/run/f3d2e8a1-7c4b-4a12-9d2e-123456789abc \
  -H "Authorization: Bearer $SANDBASE_API_KEY"

Response202 Accepted

{
  "id": "f3d2e8a1-7c4b-4a12-9d2e-123456789abc",
  "model": "elevenlabs/multilingual-v2",
  "status": "running"
}