V3

POST/v1/run

V3 by ElevenLabs - generate music, sound effects, and audio from text descriptions with AI. Create original compositions, ambient sounds, and audio content for any creative project.

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/v3.

Default: elevenlabs/v3

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 639-3) used to enforce a language for the model.

Allowed values: , afr, ara, hye, asm, aze, bel, ben, bos, bul, cat, ceb, nya, hrv, ces, dan, nld, eng, est, fil, fin, fra, glg, kat, deu, ell, guj, hau, heb, hin, hun, isl, ind, gle, ita, jpn, jav, kan, kaz, kir, kor, lav, lin, lit, ltz, mkd, msa, mal, cmn, mar, nep, nor, pus, fas, pol, por, pan, ron, rus, srp, snd, slk, slv, som, spa, swa, swe, tam, tel, tha, tur, ukr, urd, vie, cym

Optional<number>stability

Voice stability (0-1)

Range: 0 to 1

Default: 0.5

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/v3",
  "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/v3",
  "status": "running"
}