API reference · ElevenLabs

elevenlabs/v3

Integrate this model through SandBase's unified API, with production-ready schemas and examples.

AUDIOAsyncOpen model
Production endpoint

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OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run
Model IDelevenlabs/v3
01

Input Schema

4 parameters · 0 required · 4 optional

ParameterTypeRequiredDescription
textstringOptionalThe text to convert to speech · Min length: 1 · Max length: 5000
voicestringOptionalThe voice to use for speech generation · Default: "Rachel"
stabilitynumberOptionalVoice stability (0-1) · Min: 0 · Max: 1 · Default: 0.5
language_codestringOptionalLanguage code (ISO 639-3) used to enforce a language for the model. · Options: , 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
afrarahyeasmazebelbenbosbulcatcebnyahrvcesdannldengestfilfinfraglgkatdeuellgujhauhebhinhunislindgleitajpnjavkankazkirkorlavlinlitltzmkdmsamalcmnmarnepnorpusfaspolporpanronrussrpsndslkslvsomspaswaswetamtelthaturukrurdviecym
02

Output Schema

FieldTypeDescription
idstringUnique identifier for the generation task
statusstringTask status: pending, running, completed, failed, timeout
modelstringModel used for the generation
outputsarrayArray of output items
outputs[].urlstringURL of the generated artifact
outputs[].content_typestringMIME type (e.g. image/png, video/mp4)
errorobject | nullError details if failed, null on success
error.typestringMachine-readable error type code
error.messagestringHuman-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

  1. Submit — POST to /v1/run, receive an id
  2. Poll — GET /v1/run/{id} until status is completed, failed, or timeout
  3. Retrieve — Read outputs from the completed response
03

Code Examples

Ready-to-run snippets

const apiKey = process.env.SANDBASE_API_KEY;
const response = await fetch("https://api.sandbase.ai/v1/run", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "elevenlabs/v3",
    "text": "Hello! This is a test of the text to speech system, powered by ElevenLabs. How does it sound?",
    "voice": "Aria",
    "stability": 0.5
  }),
});

if (!response.ok) throw new Error(await response.text());
let result = await response.json();
for (let attempt = 0; attempt < 120 && !["completed", "failed", "timeout"].includes(result.status); attempt++) {
  await new Promise((resolve) => setTimeout(resolve, 2_000));
  const poll = await fetch(`https://api.sandbase.ai/v1/run/${result.id}`, {
    headers: { Authorization: `Bearer ${apiKey}` },
  });
  if (!poll.ok) throw new Error(await poll.text());
  result = await poll.json();
}
if (result.status !== "completed") throw new Error(`Generation ended: ${result.status}`);
console.log(result);