Video generation playground

Kling Avatar 2.0 Pro API

Kling's talking avatar at its higher quality tier, for close-ups and longer takes.

Kling Avatar 2.0 Pro is a video generation model from Kuaishou, available on OttoPort's OpenAI-compatible API as the model ID kling-avatar-2-pro at $0.144 / second as of 2026-10-14.

Provider

Kuaishou

Price

$0.144 / second

Model ID

kling-avatar-2-pro

Type

video generation model

Creative conceptsCampaign assetsDeveloper workflows

Create with Kling Avatar 2.0 Pro

video

Prompt

ExampleSelect to edit

Duration

Your result appears here

Start with the example prompt or make it your own. Your OttoPort account is used securely for generation.

Pricing

Kling Avatar 2.0 Pro API pricing

What OttoPort bills for Kling Avatar 2.0 Pro, 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	$0.144
5-second clip	$0.72
8-second clip	$1.15
Seconds per $10	69	of generated video

No subscription and no minimum — OttoPort bills prepaid credits against usage. See the full rate card.

Quickstart

Call Kling Avatar 2.0 Pro in three lines

Send "model": "kling-avatar-2-pro" 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-avatar-2-pro",
    "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-avatar-2-pro",
        "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-avatar-2-pro",
    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.

Reference

Request parameters

The body POST https://ottoport.ai/api/v1/videos/generations accepts for Kling Avatar 2.0 Pro.

Field	Type	Required	Notes
model	string	Yes	Always kling-avatar-2-pro for Kling Avatar 2.0 Pro.
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.

Comparison

Kling Avatar 2.0 Pro direct vs through OttoPort

Kling Avatar 2.0 Pro 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-avatar-2-pro 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.

FAQ

Kling Avatar 2.0 Pro API questions

Cost, keys, and model IDs for Kling Avatar 2.0 Pro on OttoPort.

How much does the Kling Avatar 2.0 Pro API cost?

On OttoPort, Kling Avatar 2.0 Pro costs $0.144 / second as of 2026-10-14. For scale, 5-second clip: $0.72. 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 Avatar 2.0 Pro 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-avatar-2-pro". The same key reaches every other model in the catalog.

What is the model ID for Kling Avatar 2.0 Pro?

The OttoPort model ID for Kling Avatar 2.0 Pro is kling-avatar-2-pro. 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 Avatar 2.0 Pro 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 Avatar 2.0 Pro?

No. OttoPort connects to Kuaishou on your behalf, so one OttoPort account covers Kling Avatar 2.0 Pro and every other model in the catalog — no per-provider contracts, keys, or invoices.

Alternatives