PiAPI/DiffRhythm-Create Task

Overview

This endpoint from PiAPI's DiffRhythm API can generate audio based on prompt or reference audio with lyrics.
The lyric placement is highly flexible—PiAPI users can customize lyric integration using structured input formats. They can also choose different task-type depending on the target duration of the music they want.

Information&Pricing

Model	Task Type	Generate Audio Duration	Price (USD)
Qubico/diffrhythm	txt2audio-base	1.35 min	$0.02/generation
Qubico/diffrhythm	txt2audio-full	4.45 min	$0.02/generation

Example

To generate reasonable audio, Users could choose audio style(e.g., pop) based on text or upload Base64 or url of reference audio.
Here is an example that users could follow when they need to generate a song with lyrics:

[00:10.00] Drifting through the Milky Way’s glow, stars hum low and bright
[00:17.00] Every shadow hides a cosmos, burning without light
[00:24.00] You said you loved black holes’ silence, where time turns to dust
[00:31.00] I clung to supernova whispers, aching with their trust
[00:38.00] Orion’s belt held promises we strung like comet trails
[00:45.00] Now Saturn’s rings just echo how our gravity fails
[00:52.00] Your voice became a distant pulse, a quasars’ fading song
[00:59.00] I chart the void where constellations swore we’d belong
[01:06.00] Nebulas bleed hues we named—our scarlet, our chrome
[01:13.00] But cold dark matter cradles what the stars left alone…
[01:20.00] (Instrumental fade: synth waves & celestial chimes)

Users can control the musical style/tone through prompts when adding lyrics to precise time positions.

Request

Header Params

Body Params application/json

Example

{
    "model": "Qubico/diffrhythm",
    "task_type": "txt2audio-base",
    "input": {
        "lyrics": "",
        "style_prompt": "pop",
        "style_audio": ""
    },
    "config": {
        "webhook_config": {
            "endpoint": "",
            "secret": ""
        }
    }
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

Responses

🟢200Success

application/json

Body

Example

{
    "model": "Qubico/diffrhythm",
    "task_type": "txt2audio-base",
    "input": {
        "lyrics": "",
        "style_prompt": "pop",
        "style_audio": ""
    },
    "config": {
        "webhook_config": {
            "endpoint": "",
            "secret": ""
        }
    }
}

Generate Audio

Overview#

Information&Pricing#

Example#

Request

Request Code Samples

Responses

Overview

Information&Pricing

Example