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Suno V5.5: What's New and How to Use the Suno API

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Suno V5.5 just made AI music personal — voice cloning, custom-trained models, and 40% better prompt accuracy. But Suno still has no public API. If you want to build with V5.5 programmatically, you need a third-party service.

This post covers what's new in V5.5, how to access it through the Suno API, and what it takes to go from a text prompt to a generated song in under 30 seconds.

Does Suno Have an API?

Suno does not have an official public API. There is no self-service API key, no public documentation, and no SDK from Suno directly.

sunor is a third-party REST API that provides programmatic access to Suno's music generation. It is not affiliated with Suno Inc. — it's an independent service built for developers who need to integrate AI music into their products.

Here's what that looks like in practice:

import requests, time
 
# Create a music generation task
response = requests.post(
    "https://sunor.cc/api/v1/task",
    headers={"x-api-key": "sk_live_YOUR_API_KEY"},
    json={
        "model": "suno",
        "task_type": "music",
        "input": {
            "gpt_description_prompt": "A warm acoustic ballad with fingerpicked guitar",
            "make_instrumental": False,
        },
    },
)
task_id = response.json()["data"]["task_id"]
 
# Poll until complete
while True:
    result = requests.get(
        f"https://sunor.cc/api/v1/task/{task_id}",
        headers={"x-api-key": "sk_live_YOUR_API_KEY"},
    )
    data = result.json()["data"]
    if data["status"] in ("success", "failure"):
        break
    time.sleep(5)
 
if data["status"] == "success":
    print("Audio URL:", data["output"]["result"][0]["audio_url"])

Two endpoints. Text prompt in, audio file out. Generation typically takes 15–30 seconds. Rate limit is 120 requests/minute per API key. Failed tasks are automatically refunded.

For curl and JavaScript examples, see the full API documentation.

What's New in Suno V5.5

V5.5 launched March 26, 2026. The audio engine is the same as V5 — same prompt format, same generation quality. What's new is a personalization layer that adapts the model to individual users.

The model identifier changed from chirp-crow (V5) to chirp-fenix (V5.5). Existing prompts work without changes, often with better results.

Three new features:

Suno Voice Cloning (Voices) — Upload a singing sample, pass a verification check, and Suno generates music using your vocal characteristics. Private by default, Pro/Premier only. For developers: this enables personalized music apps, AI karaoke, and artist demo tools where the user's voice is part of the output.

Custom Models — Fine-tune V5.5 on your own music catalog. Generates output that matches your production style. Up to 3 models per account, Pro/Premier only. For developers: white-label music generation that sounds like a specific brand, not generic AI.

My Taste — Adaptive engine that learns genre and style preferences over time. Available to all users including free tier.

V5.5 vs V5

V5V5.5
Model IDchirp-crowchirp-fenix
Audio engineSameSame
Prompt formatSameBackward compatible
Voice cloningNoYes (Pro/Premier)
Custom modelsNoYes (up to 3)
Adaptive preferencesNoYes (all users)
Prompt accuracyBaseline~40% better
Generation speedBaseline~25% faster

If you already have a Suno integration, V5.5 improves output quality with zero code changes.

How to Get a Suno API Key

  1. Sign up at sunor.cc
  2. Create an API key from your Dashboard
  3. Pass it as the x-api-key header in every request

That's it. No approval process, no waitlist.

How Much Does the Suno API Cost?

Credits are pay-as-you-go. No subscription required. No minimum spend.

TaskCreditsWhat it does
music10Generate a song (up to 8 min)
lyrics5Generate lyrics from a prompt
upload1Upload audio by URL
concat5Join clips into one track

Failed tasks are automatically refunded. Full pricing on the Pricing page.

Get Started

Generate a song right now — no account needed — in the Playground.

Ready to integrate? Get your API key and check the documentation for the full endpoint reference.

For pricing context across third-party providers, see Suno API Pricing in 2026: What You Actually Pay. For step-by-step on getting a key, How to Get a Suno API Key.


Last updated: 2026-06-04.