Sound Effects V2

elevenlabs/sound-effects-v2

Sound Effects V2 by ElevenLabs - generate music, sound effects, and audio from text descriptions with AI. Create original compositions, ambient sounds, and audio content for any creative project.

Base price
$0.01USD / run
Execution
async
Model type
audio
Input fields
4
Production route

Try the model

Playground

Open playground
Input
The text describing the sound effect to generate
01
How closely to follow the prompt (0-1). Higher values mean less variation. Range: 0 to 1.
0.522
Duration in seconds (0.5-22). If not set, optimal duration will be determined from prompt. Range: 0.5 to 22.
Whether to create a sound effect that loops smoothly.
OutputExample

Examples

Select an example to load its inputs and result into the playground.

Model card

Specifications

Pricing

Base price
$0.01 / run

Context & modalities

Input
Schema-defined
Output
audio

Capabilities

Chat
Not supported
Vision
Not supported
Reasoning
Not supported
Structured output
Not supported
Function calling
Not supported
Audio input
Not supported

Access

Provider
ElevenLabs
Model ID
elevenlabs/sound-effects-v2
Execution
async
Base URL
https://api.sandbase.ai
API
Unified Run API
Endpoint
/v1/run

API README

Sound Effects V2

ElevenLabs Sound Effects v2 creates sound effects and ambiences from a description, 0.5–22 seconds long, optionally loopable.

Fields

FieldTypeDefaultNotes
textstring—Describe the sound.
prompt_influencenumber 0–10.3How strictly to follow the description.
duration_secondsnumber 0.5–225Length in seconds (0.5–22).
loopbooleanfalseMake the clip loop seamlessly.

Billing

$0.002 per second of audio.

LengthPrice
2s$0.004
5s$0.01
22s$0.044

Failed runs are not charged.

Prompting

  • Be specific about source, space, and texture: “heavy wooden door creaks open in a stone hall”.

Limits

  • Up to 22 seconds.

Start building

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

Production API
Unified Run API endpoint
https://api.sandbase.ai/v1/run
Model ID
elevenlabs/sound-effects-v2
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "model": "elevenlabs/sound-effects-v2",
  "loop": false,
  "text": "Spacious braam suitable for high-impact movie trailer moments",
  "duration_seconds": 5,
  "prompt_influence": 0.3
}
SANDBASE_JSON
)
run_id=$(printf '%s' "$result" | jq -r .id)
for attempt in $(seq 1 120); do
  status=$(printf '%s' "$result" | jq -r .status)
  case "$status" in completed|failed|timeout) break ;; esac
  sleep 2
  result=$(curl --fail-with-body --silent \
    -H "Authorization: Bearer $SANDBASE_API_KEY" \
    "https://api.sandbase.ai/v1/run/$run_id")
done
status=$(printf '%s' "$result" | jq -r .status)
[ "$status" = completed ] || { echo "Generation ended: $status" >&2; exit 1; }
printf '%s\n' "$result"

Choose your model

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Questions

FAQ

How do I call ElevenLabs Sound Effects V2 through SandBase?

Create a SandBase API key, then send requests with the model ID "elevenlabs/sound-effects-v2" to Unified Run API (/v1/run) at https://api.sandbase.ai. The request examples on this page show the exact payload.

Do I need a separate ElevenLabs account?

No. One SandBase API key and balance gives you access to ElevenLabs Sound Effects V2 and the other models in the catalog; you do not need to sign up with ElevenLabs separately.