Kling Lipsync API
Kling's lip-sync for short clips: re-syncs a 2–10 second video to a voice track.
Kling Lipsync is a video generation model from Kuaishou, available on OttoPort's OpenAI-compatible API as the model ID kling-lipsync at $0.018 / second as of 2026-10-14.
Provider
Kuaishou
Price
$0.018 / second
Model ID
kling-lipsync
Type
video generation model
Create with Kling Lipsync
videoYour result appears here
Start with the example prompt or make it your own. Your OttoPort account is used securely for generation.
Kling Lipsync API pricing
What OttoPort bills for Kling Lipsync, and what that works out to per unit. Rates are read from the same catalog the gateway meters against, and were current on 2026-10-14.
| Per second | $0.018 | |
|---|---|---|
| 5-second clip | $0.09 | |
| 8-second clip | $0.144 | |
| Seconds per $10 | 555 | of generated video |
No subscription and no minimum — OttoPort bills prepaid credits against usage. See the full rate card.
Call Kling Lipsync in three lines
Send "model": "kling-lipsync" to POST https://ottoport.ai/api/v1/videos/generations with an OttoPort key. No Kuaishou account, no waitlist, no separate SDK.
curl https://ottoport.ai/api/v1/videos/generations \
-H "Authorization: Bearer $OTTOPORT_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "kling-lipsync",
"prompt": "cinematic product reveal, slow dolly, black background",
"duration": 5,
"aspect_ratio": "16:9"
}'import requests
job = requests.post(
"https://ottoport.ai/api/v1/videos/generations",
headers={"Authorization": "Bearer " + API_KEY},
json={
"model": "kling-lipsync",
"prompt": "cinematic product reveal, slow dolly, black background",
"duration": 5,
"aspect_ratio": "16:9",
},
).json()
# Video is a job: poll it, or pass webhook_url and be told.
print(job["id"], job["status"])const res = await fetch("https://ottoport.ai/api/v1/videos/generations", {
method: "POST",
headers: {
Authorization: `Bearer ${API_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
model: "kling-lipsync",
prompt: "cinematic product reveal, slow dolly, black background",
duration: 5,
aspect_ratio: "16:9",
}),
});
// Video is a job: poll it, or pass webhook_url and be told.
const job = await res.json();
console.log(job.id, job.status);Before you start
- 1. Create a key at /api-keys.
- 2. Top up credits — the smallest pack is $25.
- 3. Paste the request. It returns a job ID; poll it or pass a webhook_url.
Full reference at /docs, or drive it from an agent with the MCP server and CLI.
Request parameters
The body POST https://ottoport.ai/api/v1/videos/generations accepts for Kling Lipsync.
| Field | Type | Required | Notes |
|---|---|---|---|
| model | string | Yes | Always kling-lipsync for Kling Lipsync. |
| prompt | string | Yes | Subject, action, and camera movement. |
| duration | integer | No | Seconds of output. This is the billed unit. |
| resolution | string | No | One of: . Tiers above this model's base rate bill at a multiplier. |
| aspect_ratio | string | No | e.g. 16:9 or 9:16. |
| image_url | string | No | The first frame, for image-to-video. |
| webhook_url | string | No | Called when the job settles, so you need not poll. |
| webhook_secret | string | No | Signs the webhook so you can verify it came from OttoPort. |
Kling Lipsync direct vs through OttoPort
Kling Lipsync is the same model either way — what changes is how many accounts, keys, and integrations you carry to reach it.
| Kuaishou direct | Via OttoPort | |
|---|---|---|
| Accounts and keys | A Kuaishou account, plus one more for every other model you add | One OttoPort account and one key for the whole catalog |
| Request shape | Kuaishou's own SDK and response format | OpenAI-compatible — point baseURL at OttoPort and change the model string |
| Switching models | A new integration per provider | Replace kling-lipsync with any other model ID in the catalog |
| Billing | A separate invoice and contract per provider | Prepaid credits, no subscription, one usage ledger |
| Provider outages | Your call fails | Configured backup routes are tried in order on provider failure |
Describe the subject and action.
Add a camera movement.
Specify your output format.
Kling Lipsync API questions
Cost, keys, and model IDs for Kling Lipsync on OttoPort.
How much does the Kling Lipsync API cost?
On OttoPort, Kling Lipsync costs $0.018 / second as of 2026-10-14. For scale, 5-second clip: $0.09. Billing is prepaid usage with no subscription and no minimum, and the current rate is always published at ottoport.ai/pricing.
How do I get a Kling Lipsync API key?
You do not need a Kuaishou key. Create an OttoPort account, generate a key at ottoport.ai/api-keys, and send it as "Authorization: Bearer <key>" to POST https://ottoport.ai/api/v1/videos/generations with "model": "kling-lipsync". The same key reaches every other model in the catalog.
What is the model ID for Kling Lipsync?
The OttoPort model ID for Kling Lipsync is kling-lipsync. Pass it as the model field on POST https://ottoport.ai/api/v1/videos/generations, or list it programmatically from GET https://ottoport.ai/api/v1/models.
Is Kling Lipsync generation synchronous?
No. POST https://ottoport.ai/api/v1/videos/generations returns a job ID immediately. Poll GET https://ottoport.ai/api/v1/videos/generations/{id} for status, or pass webhook_url and webhook_secret and OttoPort will call you when the job settles. You are billed per second of output, so a failed job costs nothing.
Do I need a Kuaishou account to use Kling Lipsync?
No. OttoPort connects to Kuaishou on your behalf, so one OttoPort account covers Kling Lipsync and every other model in the catalog — no per-provider contracts, keys, or invoices.
Other video generation models on the same API
Same endpoint, same key — swapping model is a one-string change from kling-lipsync.
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$0.35 / second
MiniMax H3 API
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Browse the full catalog — every model with its provider and per-unit price.