customboolean required
Whether to use custom mode.
- true: Audio will be generated from lyrics
- false: Audio will be generated based on inspiration mode prompts
instrumentalboolean required
Whether to generate instrumental music.
- true: Generate instrumental-only music
- false: Generate a track with vocals and lyrics
- In inspiration mode, the gpt_description_prompt parameter is required
- In custom mode, the prompt parameter is required
mv'chirp-v5-5' | 'chirp-v5' | 'chirp-v4-5+' | 'chirp-v4-5' | 'chirp-v4-5-all' | 'chirp-v4' | 'chirp-v3-5' | 'chirp-v3-0' required
gpt_description_promptstring
Prompt for inspiration mode.
When not using custom mode (custom=false), this parameter is always required. Lyrics will be automatically generated from this prompt. Maximum length: 3000 characters.
promptstring
Lyrics.
Used in custom mode (custom=true). Required when instrumental is false. The lyrics will be used and sung in the generated track. Maximum length: 5000 characters.
titlestring
Music title.
Used in custom mode (custom=true). Maximum length: 80 characters.
tagsstring
Music style or genre.
Used in custom mode (custom=true). Maximum length: 1000 characters.
negative_tagsstring
Music styles or genres that should be excluded from generation.
Used in custom mode (custom=true).
style_weightnumber
Music style weight, range: 0.00–1.00.
Used in custom mode. Valid range: 0 <= x <= 1.
weirdness_constraintnumber
Audio creativity (weirdness) weight, range: 0.00–1.00.
Used in custom mode. Valid range: 0 <= x <= 1.
audio_weightnumber
Audio weight, range: 0.00–1.00.
Used in custom mode. Valid range: 0 <= x <= 1.
{"stackTrail":"paths:/suno/v1/music:post:requestBody:content:application/json:schema:allOf:properties:duration","oasType":"schema","type":"unknown","description":"Audio duration, in seconds \n\nUsed in custom mode. Valid range: 10 <= x <= 360.","example":120}
auto_lyricsboolean
Whether to automatically generate lyrics. Custom mode only.
- true: The input lyrics will be creatively rewritten, similar to the inspiration mode prompt effect
- false: Use the provided lyrics directly to generate the music
vocal_gender'Male' | 'Female'
Vocal gender.
-
Male: Male voice
-
Female: Female voice
persona_idstring
Music style ID. Custom mode only.
Use this parameter to generate music with a specific style.
isStorageboolean
Whether to store the generated audio.
- true: The audio will be stored and a TTAPI CDN URL will be returned
- false: The original source URL will be returned
hookUrlstring
Callback notification URL