The Eleven v4 API (ElevenLabs v4) is live on Muapi at $0.08 per 1,000 characters, alongside TTS Turbo 2.5 and Text to Dialogue V3. Generate natural narration and expressive multi-speaker dialogue through one clean REST API. Bring your voice workflow to production with a single Muapi key, predictable pay-per-generation credits, and a shared async request pattern.
POST /api/v1/elevenlabs-v4
Text → MP3
request_id: "req_8f2a..."
status: "processing"
02
focused endpoints
40k
max TTS characters
$0.05
per 1k characters
01
API key to ship
Choose your workflow
Start with Eleven v4 for expressive narration, use TTS Turbo 2.5 for fast single-voice speech, or move to structured dialogue when your product needs more than one character.
Newest · Eleven v4 API
The Eleven v4 API (ElevenLabs v4) delivers expressive single-voice narration for voiceovers, audiobooks, ads, and app audio. Send up to 2,000 characters per request and choose voice_daniel or voice_liam.
Fast · Eleven v4 Turbo API
The Eleven v4 Turbo API (ElevenLabs v4 Turbo) delivers lower-latency, lower-cost single-voice narration for fast voiceovers, bulk narration, and app audio. Send up to 5,000 characters per request and choose voice_daniel or voice_liam.
Single voice
Turn scripts, articles, product copy, and app text into natural narration with controls for voice, stability, similarity, speed, and language.
Multiple speakers
Compose expressive conversations from structured speaker turns, assigning a distinct voice to every character in the script.
Made for real products
Keep the integration small and the creative surface wide. Use the same request shape across narration, dialogue, localization, and interactive experiences.
Compare all text-to-speech modelsShip voiceovers for product videos, courses, articles, and accessibility features.
Pass a language code and create natural audio for global products and content.
Generate on demand with a compact JSON request and poll the result when ready.
Quick start
The API is intentionally simple: submit JSON, keep the request ID, then poll for the generated audio URL.
Create a key in your workspace and keep it in an environment variable.
Choose Eleven v4 or TTS Turbo for one voice, or Dialogue V3 for a structured conversation.
Use the returned request ID until the task is complete, then use the audio URL in your app.
curl -X POST "https://api.muapi.ai/api/v1/elevenlabs-v4" \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "Welcome to the future of voice. This is Eleven v4.",
"voice_id": "voice_daniel"
}'
# → {"request_id":"REQUEST_ID"}
curl "https://api.muapi.ai/api/v1/predictions/REQUEST_ID/result" \
-H "x-api-key: YOUR_API_KEY"Tune the delivery
Start with the defaults, then shape the performance that makes your product sound like itself.
voice_idPick a built-in voice or pass a compatible custom voice ID.
stabilityBalance consistency and expressive variation from 0 to 1.
similarity_boostTune how closely the result follows the selected voice.
speedSet the speaking rate from 0.7× to 1.2× for narration.
Built for voice products
Narration, dialogue, podcasts, games, and more.
Eleven v4 pricing
Eleven v4 pricing is $0.08 per 1,000 characters. Compare it with the other ElevenLabs endpoints on Muapi.
| Model | Endpoint | Price | Input |
|---|---|---|---|
| Eleven v4 | elevenlabs-v4 | $0.08 per 1k chars | Up to 2,000 characters |
| Eleven v4 Turbo | elevenlabs-v4-turbo | $0.04 per 1k chars | Up to 5,000 characters |
| TTS Turbo 2.5 | elevenlabs-tts-turbo-2-5 | $0.05 per 1k chars | Text → audio |
| Text to Dialogue V3 | elevenlabs-text-to-dialogue-v3 | $0.10 per 1k chars | Dialogue → audio |
Questions, answered
You get four endpoints: Eleven v4 for expressive single-voice narration, Eleven v4 Turbo for faster, lower-cost narration, TTS Turbo 2.5 for fast single-voice narration, and Text to Dialogue V3 for structured multi-speaker audio. All use the same Muapi authentication and submit-then-poll pattern.
The Eleven v4 API (also called the ElevenLabs v4 API, endpoint elevenlabs-v4) is ElevenLabs' latest text-to-speech model on Muapi. You send text in prompt and a voice_id of voice_daniel or voice_liam, and receive an MP3 asynchronously.
Eleven v4 accepts up to 2,000 characters per request.
The Eleven v4 Turbo API (endpoint elevenlabs-v4-turbo) is the lower-latency, lower-cost version of Eleven v4 on Muapi. It accepts up to 5,000 characters per request at $0.04 per 1,000 characters, with the same voice_daniel and voice_liam voices.
Yes. Pass a compatible ElevenLabs voice_id in your request. The endpoint schema also includes a curated set of built-in voice options to make testing easy.
Eleven v4 pricing is $0.08 per 1,000 characters.
Eleven v4 is $0.08 per 1,000 characters, Eleven v4 Turbo is $0.04 per 1,000 characters, TTS Turbo 2.5 is listed from $0.05 per 1,000 characters, and Dialogue V3 is listed at $0.10 per 1,000 characters. Usage is pay per generation with no monthly subscription required.
The submit response returns a request_id. Poll the predictions result endpoint until status is completed, then read the generated audio URL from the response.
Your next feature has a voice