APIMart
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Audio

Suno API

Suno API on APIMart gives developers Suno V6, V6 Wild and V6 Mini for songs with vocals or instrumentals, lyrics, covers, stems, MIDI and music videos through one API key and an async task endpoint.

Suno V6Text to MusicAI VocalsLyrics

Service Highlights

  • Official Discounts
  • Pay-as-you-go
  • Fast & Low Latency
Input

Inspiration: prompt describes the song.

No vocals, music only

Advanced

Output

Your generated tracks will appear here

Suno API Pricing

Transparent pricing with no hidden fees. Pay only for what you use.

VariantTierGoldCurrent pricePlatinumDiamondOfficialYour savings
suno@musicv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@lyricsdefault0.08Credits(~$0.008)/gen0.076Credits(~$0.0076)/gen0.072Credits(~$0.0072)/gen0.1Credits(~$0.01)/gen20%
suno@inspov60.68Credits(~$0.068)/gen0.646Credits(~$0.0646)/gen0.612Credits(~$0.0612)/gen0.85Credits(~$0.085)/gen20%
v6-wild0.68Credits(~$0.068)/gen0.646Credits(~$0.0646)/gen0.612Credits(~$0.0612)/gen0.85Credits(~$0.085)/gen20%
v6-mini0.68Credits(~$0.068)/gen0.646Credits(~$0.0646)/gen0.612Credits(~$0.0612)/gen0.85Credits(~$0.085)/gen20%
custom0.68Credits(~$0.068)/gen0.646Credits(~$0.0646)/gen0.612Credits(~$0.0612)/gen0.85Credits(~$0.085)/gen20%
v6 · Max1.36Credits(~$0.136)/gen1.292Credits(~$0.1292)/gen1.224Credits(~$0.1224)/gen1.7Credits(~$0.17)/gen20%
v6-wild · Max1.36Credits(~$0.136)/gen1.292Credits(~$0.1292)/gen1.224Credits(~$0.1224)/gen1.7Credits(~$0.17)/gen20%
v6-mini · Max1.36Credits(~$0.136)/gen1.292Credits(~$0.1292)/gen1.224Credits(~$0.1224)/gen1.7Credits(~$0.17)/gen20%
custom · Max1.36Credits(~$0.136)/gen1.292Credits(~$0.1292)/gen1.224Credits(~$0.1224)/gen1.7Credits(~$0.17)/gen20%
suno@soundsv60.096Credits(~$0.0096)/gen0.0912Credits(~$0.0091)/gen0.0864Credits(~$0.0086)/gen0.12Credits(~$0.012)/gen20%
v6-wild0.096Credits(~$0.0096)/gen0.0912Credits(~$0.0091)/gen0.0864Credits(~$0.0086)/gen0.12Credits(~$0.012)/gen20%
v6-mini0.096Credits(~$0.0096)/gen0.0912Credits(~$0.0091)/gen0.0864Credits(~$0.0086)/gen0.12Credits(~$0.012)/gen20%
suno@upsample_tagsdefault0.04Credits(~$0.004)/gen0.038Credits(~$0.0038)/gen0.036Credits(~$0.0036)/gen0.05Credits(~$0.005)/gen20%
suno@uploaddefault0.04Credits(~$0.004)/gen0.038Credits(~$0.0038)/gen0.036Credits(~$0.0036)/gen0.05Credits(~$0.005)/gen20%
suno@extendv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@coverv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@upload_coverv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@upload_extendv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@create_modeldefault9.6Credits(~$0.96)/gen9.12Credits(~$0.912)/gen8.64Credits(~$0.864)/gen12Credits(~$1.2)/gen20%
suno@remasterdefault0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
suno@stemsdefault1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@stems_alldefault2.4Credits(~$0.24)/gen2.28Credits(~$0.228)/gen2.16Credits(~$0.216)/gen3Credits(~$0.3)/gen20%
suno@add_vocalsv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@add_instrumentalv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@add_stemv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@voxdefault0.04Credits(~$0.004)/gen0.038Credits(~$0.0038)/gen0.036Credits(~$0.0036)/gen0.05Credits(~$0.005)/gen20%
suno@create_voicedefault0.16Credits(~$0.016)/gen0.152Credits(~$0.0152)/gen0.144Credits(~$0.0144)/gen0.2Credits(~$0.02)/gen20%
suno@personadefault0.04Credits(~$0.004)/gen0.038Credits(~$0.0038)/gen0.036Credits(~$0.0036)/gen0.05Credits(~$0.005)/gen20%
suno@replace_sectionv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@remove_sectiondefault0.08Credits(~$0.008)/gen0.076Credits(~$0.0076)/gen0.072Credits(~$0.0072)/gen0.1Credits(~$0.01)/gen20%
suno@cropdefault0.08Credits(~$0.008)/gen0.076Credits(~$0.0076)/gen0.072Credits(~$0.0072)/gen0.1Credits(~$0.01)/gen20%
suno@fade_indefault0.08Credits(~$0.008)/gen0.076Credits(~$0.0076)/gen0.072Credits(~$0.0072)/gen0.1Credits(~$0.01)/gen20%
suno@fade_outdefault0.08Credits(~$0.008)/gen0.076Credits(~$0.0076)/gen0.072Credits(~$0.0072)/gen0.1Credits(~$0.01)/gen20%
suno@adjust_speeddefault0.24Credits(~$0.024)/gen0.228Credits(~$0.0228)/gen0.216Credits(~$0.0216)/gen0.3Credits(~$0.03)/gen20%
suno@concatdefault0.04Credits(~$0.004)/gen0.038Credits(~$0.0038)/gen0.036Credits(~$0.0036)/gen0.05Credits(~$0.005)/gen20%
suno@mashupv60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@samplev60.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-wild0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6-mini0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
custom0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
v6 · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-wild · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
v6-mini · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
custom · Max1Credits(~$0.1)/gen0.95Credits(~$0.095)/gen0.9Credits(~$0.09)/gen1.25Credits(~$0.125)/gen20%
suno@mididefault0.5Credits(~$0.05)/gen0.475Credits(~$0.0475)/gen0.45Credits(~$0.045)/gen0.625Credits(~$0.0625)/gen20%
suno@aligned_lyricsdefault0.008Credits(~$0.0008)/gen0.0076Credits(~$0.0008)/gen0.0072Credits(~$0.0007)/gen0.01Credits(~$0.001)/gen20%
suno@bpmdefault0.008Credits(~$0.0008)/gen0.0076Credits(~$0.0008)/gen0.0072Credits(~$0.0007)/gen0.01Credits(~$0.001)/gen20%
suno@generate_videodefault0.04Credits(~$0.004)/gen0.038Credits(~$0.0038)/gen0.036Credits(~$0.0036)/gen0.05Credits(~$0.005)/gen20%
suno@downloaddefault0.016Credits(~$0.0016)/gen0.0152Credits(~$0.0015)/gen0.0144Credits(~$0.0014)/gen0.02Credits(~$0.002)/gen20%

* Actual costs are subject to final output.

Suno API: Generate Songs with Suno V6

Suno has not opened a public self-serve API, so APIMart provides API access to Suno V6 through its own endpoint. Send a prompt or your own lyrics, choose V6, V6 Wild or V6 Mini, then extend, cover, master or split the track into stems. Billing is per request with no subscription.

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Suno API Example: Inspiration Mode and Custom Lyrics

Submit a song task, then poll the music task endpoint for audio URLs. The custom lyrics tab sends your own lyrics with a title and style tags.

  1. 1

    Authenticate with your Suno API key

    Send your APIMart key as a Bearer token in the Authorization header of every request.

  2. 2

    Submit a song task

    POST to /v1/music/generations with model suno, a version such as v6 and your prompt. The response returns a task_id.

  3. 3

    Poll the music task and download

    Poll GET /v1/music/tasks/{task_id} every 5 to 10 seconds until data.status is completed, then read each data.result.music[].audio_url. The number of songs is not fixed. Results are kept for 72 hours, so download them promptly.

    All 30+ Suno operations and their parameters are in the Suno API documentation.

POST /v1/music/generations
curl -X POST https://api.apimart.ai/v1/music/generations \
  -H "Authorization: Bearer $APIMART_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "suno",
    "prompt": "Late-night city lo-fi piano with the sound of rain",
    "version": "v6",
    "custom": false
  }'

Suno API Parameters

ParameterTypeRequiredDefaultDescription
modelstringOptionalDefault: sunoPass suno.
versionstringOptionalDefault: —v6, v6-wild or v6-mini. Send either version or custom_model_id, not both.
custom_model_idstringOptionalDefault: —ID of a custom model you created. Cannot be combined with version or persona_id.
custombooleanOptionalDefault: falsefalse = inspiration mode, prompt is a description. true = custom mode, prompt is the lyrics.
promptstringRequiredDefault: —Description of up to 3,000 characters in inspiration mode, or lyrics of up to 5,000 characters in custom mode. Can be omitted only for a custom instrumental.
instrumentalbooleanOptionalDefault: falsetrue generates music without vocals.
titlestringOptionalDefault: —Song title of up to 80 characters. Custom mode only.
stylestringOptionalDefault: —Style tags of up to 1,000 characters. Custom mode only.
negative_tagsstringOptionalDefault: —Styles to avoid. Custom mode only.
vocal_genderstringOptionalDefault: —Male or Female. Works in both modes.
style_weight / weirdness_constraint / audio_weightnumberOptionalDefault: —Values from 0.00 to 1.00. Work in both modes.
durationintegerOptionalDefault: —Target length of 10 to 360 seconds. Custom mode only; the finished length follows the task result.
max_modebooleanOptionalDefault: falseMax mode for custom mode, billed at twice the standard price.
audio_formatstringOptionalDefault: —mp3, m4a or wav. If omitted, the service chooses.

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