Minimax Music 2.5 API Documentation
Playground
Try it on WaveSpeedAI!MiniMax Music 2.5 is a full-dimensional breakthrough in AI music generation with high-fidelity audio, humanized vocals, and precise creative control. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Features
MiniMax Music 2.5 is an advanced AI music generation model that creates complete songs from text prompts and lyrics. Describe your desired musical style and provide lyrics — the model generates full-length music with vocals, instrumentals, and professional production quality.
Why Choose This?
-
Complete song generation Creates full songs with vocals and instrumentals from text descriptions.
-
Lyrics support Input your own lyrics with structure markers (Verse, Chorus, etc.) for precise song composition.
-
Style flexibility Supports a wide range of genres from cinematic orchestral to pop, rock, electronic, and more.
-
Professional audio quality Multiple bitrate and sample rate options for studio-quality output.
-
Prompt Enhancer Built-in tool to automatically improve your music descriptions.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Yes | Music style description (genre, mood, instruments, etc.) |
| lyrics | Yes | Song lyrics with optional structure markers |
| bitrate | No | Audio bitrate: 32000, 60000, 64000, 128000, 256000 (default: 256000) |
| sample_rate | No | Audio sample rate: 16000, 24000, 32000, 44100 (default: 44100) |
Lyrics Format
Use structure markers to guide song composition:
- (Instrumental intro) — Instrumental section without vocals
- (Verse) — Verse section
- (Chorus) — Chorus/hook section
- (Bridge) — Bridge section
- (Outro) — Ending section
Example:
(Instrumental intro with drums building up) (Verse) The sun rises on the broken ground Silence screams without a sound (Chorus) I stand alone against the gale Through the storm, I will prevail
How to Use
- Write your prompt — describe the musical style, genre, mood, and instruments.
- Enter your lyrics — provide song lyrics with structure markers.
- Set audio quality (optional) — choose bitrate and sample rate.
- Run — submit and download your generated song.
Pricing
| Output | Cost |
|---|---|
| Per song | $0.15 |
Best Use Cases
- Original Music Creation — Generate complete songs for creative projects.
- Demo Production — Quickly prototype song ideas before full production.
- Content Soundtracks — Create custom music for videos, podcasts, and games.
- Songwriting Assistance — Hear your lyrics set to music instantly.
- Commercial Jingles — Produce short musical pieces for advertising.
Pro Tips
- Use the Prompt Enhancer to refine your style descriptions.
- Be specific about genre, instruments, tempo, and mood (e.g., “cinematic orchestral, epic, Hans Zimmer style, motivational”).
- Include production details like “wide soundstage, 8k audio quality” for enhanced results.
- Use structure markers in lyrics to control song arrangement.
- Higher bitrate (256000) and sample rate (44100) deliver best audio quality.
- For instrumental sections, use markers like “(Instrumental intro)” or “(Guitar solo)”.
Notes
- Both prompt and lyrics are required fields.
- Generated songs include AI-synthesized vocals matching the lyrics.
- Song length depends on lyrics length and structure.
- For best results, provide detailed style descriptions and well-structured lyrics.
Related Models
- MiniMax Speech 2.8 HD — High-quality text-to-speech generation.
- MiniMax Speech 2.8 Turbo — Fast text-to-speech generation.
Authentication
For authentication details, please refer to the Authentication Guide.
API Endpoints
Submit Task & Query Result
set -euo pipefail
export WAVESPEED_API_KEY="your-api-key"
REQUEST_BODY=$(cat <<'JSON'
{
"prompt": "A cinematic ocean wave at sunrise, highly detailed",
"lyrics": "Waves rise softly under the morning light",
"bitrate": 256000,
"sample_rate": 44100
}
JSON
)
# 1. Submit the prediction once. Never retry this request automatically:
# a retry after an unclear failure can create a second, billed task.
CHECK='The task may already exist. Check History or the predictions list before submitting again.'
if ! SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
--connect-timeout 10 --max-time 60 \
-X POST "https://api.wavespeed.ai/api/v3/minimax/music-2.5" \
-H "Authorization: Bearer ${WAVESPEED_API_KEY}" \
-H "Content-Type: application/json" \
-d "${REQUEST_BODY}"); then
printf 'Submit failed. %s\n' "${CHECK}" >&2
exit 1
fi
TASK=$(printf '%s' "${SUBMIT_RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "${TASK}" | jq -r '.id // empty')
if [ -z "${PREDICTION_ID}" ]; then
printf 'Submission response did not contain a prediction id. %s\n' "${CHECK}" >&2
exit 1
fi
RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/${PREDICTION_ID}/result"
# 2. Poll until the prediction reaches a final status.
BODY_FILE=$(mktemp)
trap 'rm -f "${BODY_FILE}"' EXIT
while true; do
# Transient errors (429, 5xx) are retried, honoring Retry-After.
HTTP_CODE=$(curl --silent --show-error --fail-with-body \
--connect-timeout 10 --max-time 60 --retry 5 --retry-delay 2 \
--output "${BODY_FILE}" --write-out '%{http_code}' \
"${RESULT_URL}" \
-H "Authorization: Bearer ${WAVESPEED_API_KEY}" || true)
case "${HTTP_CODE}" in
2??) ;;
000|429|5??) # dropped connection or temporary error: keep polling
printf 'Task %s: HTTP %s, polling again in 10s\n' "${PREDICTION_ID}" "${HTTP_CODE}" >&2
sleep 10; continue ;;
*) printf 'Task %s: HTTP %s\n' "${PREDICTION_ID}" "${HTTP_CODE}" >&2
cat "${BODY_FILE}" >&2; exit 1 ;;
esac
RESULT=$(jq 'if type == "object" and has("data") then .data else . end' "${BODY_FILE}")
STATUS=$(printf '%s' "${RESULT}" | jq -r '.status // empty')
case "${STATUS}" in
completed) printf '%s\n' "${RESULT}" | jq '.outputs'; break ;;
failed|cancelled|timeout|deleted)
printf 'Task %s ended with status %s\n' "${PREDICTION_ID}" "${STATUS}" >&2
printf '%s\n' "${RESULT}" | jq . >&2; exit 1 ;;
*) sleep 2 ;;
esac
doneRetry temporary errors only while polling, never the submit request. Errors, retries and timeouts
Parameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| prompt | string | Yes | - | Prompt for the music generation. | |
| lyrics | string | Yes | - | - | Lyrics with optional formatting. You can use a newline to separate each line of lyrics. You can use two newlines to add a pause between lines. You can use double hash marks (##) at the beginning and end of the lyrics to add accompaniment. Valid input: 10-3000 characters. |
| bitrate | integer | No | 256000 | 60000, 32000, 64000, 128000, 256000 | Bitrate for the generated music |
| sample_rate | integer | No | 44100 | 16000, 24000, 32000, 44100 | Sample rate for the generated music |
Every model also accepts the global request options enable_sync_mode and enable_base64_output; see their pages for details.
Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data.id | string | Unique identifier for the prediction, Task Id |
| data.model | string | Model ID used for the prediction |
| data.outputs | array | Output values, usually URL strings; some models return text strings or structured result objects (empty when status is not completed) |
| data.urls | object | Object containing related API endpoints |
| data.status | string | Task status. completed is successful; failed, cancelled, timeout, and deleted are failure terminal statuses. |
| data.created_at | string | ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”) |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |
Result Request Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| id | string | Yes | - | Task ID |
Result Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data | object | The prediction data object containing all details |
| data.id | string | Unique identifier for the prediction |
| data.model | string | Model ID used for the prediction |
| data.outputs | array<string | object> | Array of generated outputs (empty when status is not completed). Items are usually URL strings, but may be text strings or structured result objects, depending on the model. |
| data.urls | object | Object containing related API endpoints |
| data.status | string | Status: completed is successful; failed, cancelled, timeout, and deleted are failure terminal statuses |
| data.created_at | string | ISO timestamp of when the request was created |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |