Kling Create Voice
kwaivgi/kling-video/create-voiceKling Create Voice clones a reusable custom voice from a 5-30 second recording of a single speaker and returns a voice ID for Kling V4 reference-to-video, plus a short preview clip.
- Base price
- $0.04USD / run
- Execution
- async
- Model type
- audio
- Input fields
- 2
Try the model
Playground
Your output will appear here
Complete the inputs, then click Run.
Model card
Specifications
Pricing
- Base price
- $0.04 / 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
- KwaiVGI
- Model ID
- kwaivgi/kling-video/create-voice
- Execution
- async
- Base URL
- https://api.sandbase.ai
- API
- Unified Run API
- Endpoint
- /v1/run
API README
Kling Create Voice
Kling Create Voice turns a short recording of one speaker into a reusable custom voice. The result is a voice_id you pass to Kling V4 reference-to-video so a character speaks in that voice, plus a short preview clip.
Fields
| Field | Type | Default | Notes |
|---|---|---|---|
voice_url | audio/video URL, required | — | .mp3 / .wav / .mp4 / .mov, 5–30 seconds, one clean voice, no background music or noise. |
voice_name | string | sandbase-voice | Display name, up to 20 characters. |
Output
| Field | Notes |
|---|---|
voice_id | Custom voice ID. |
url | Preview clip spoken in the cloned voice. |
Use the voice in a video
Pass the ID to Kling V4 Reference to Video in voice_ids (up to 2) and describe who speaks in the prompt, e.g. "The man from @Image1 says: "Welcome back."". Voices cannot be combined with reference videos in the same request.
Billing
$0.035 per created voice. Failed runs are not charged.
Limits
- One speaker per recording; noisy or multi-speaker audio is rejected.
- Voice IDs work only with Kling models served through SandBase's Kling channel.
Start building
Send your first request
OpenAI-compatible endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "kwaivgi/kling-video/create-voice",
"voice_url": "https://static.sandbase.ai/examples/kwaivgi/kling-video/create-voice/input_voice_url_0.wav",
"voice_name": "sandbase-voice"
}
SANDBASE_JSON
)
run_id=$(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
Compare models
| Model | Type | Default price | Released |
|---|---|---|---|
Kling Create VoiceThis model KwaiVGI | Audio | $0.04 / run | Dec 16, 2025 |
KwaiVGI | Video | $8.46 / run | Oct 21, 2026 |
KwaiVGI | Video | $1.18 / run | Oct 21, 2026 |
KwaiVGI | Video | $1.18 / run | Oct 21, 2026 |
KwaiVGI | Video | $1.18 / run | Oct 21, 2026 |
KwaiVGI | Video | $2.10 / run | Oct 5, 2026 |
Questions
FAQ
How do I call KwaiVGI Kling Create Voice through SandBase?
Create a SandBase API key, then send requests with the model ID "kwaivgi/kling-video/create-voice" 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 KwaiVGI account?
No. One SandBase API key and balance gives you access to KwaiVGI Kling Create Voice and the other models in the catalog; you do not need to sign up with KwaiVGI separately.