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Kling 4.0 Flash API — how to connect and pay

Name: Kling 4.0 Flash API — GetVibe API
Brand: GetVibe API
Price: 0.109286 USD
Availability: InStock

Kling 4.0 Flash — the faster, cheaper Kling 4.0 tier: from text, from keyframes (first, last and up to 8 middle frames) or from references (up to 10 images, 5 videos, 7 elements and 3 voices). 720p, 3–20 seconds, native audio. Priced per second; with an input video its seconds are billed too.

Channel comparison

last 7 days

Channel

Pixelkling-v4-flashdefault

Price

from $0.109286 / s

Channel	Price
Pixel`kling-v4-flash`default	from $0.109286 / s

Build the result you need

kling-v4-flash

Source material

Input: Text, Image, Video, AudioSome modes require you to attach: duration (3–20 s), source image, last frame (URL)

Get API key

What is Kling 4.0 Flash

Contract at a glance

Input: text, image, video, audio
Output: video
Mode: async (job + polling)
Status polling: every 3 s · up to 600 s

Strengths

Pricing: per second
Inputs: text, image, video, audio
3 configurable options
One API key for media generation

Where it is used

Social media clips
Promos and title sequences
Still-image animation
Storyboards and animatics

Example request

Pass your key in the Bearer header. The API returns jobId for polling the status.

curl -sS https://getvibeapi.com/api/media/generate \
  -H "Authorization: Bearer $GETVIBE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary '{"model":"kling-v4-flash","prompt":"a beautiful landscape","opts":{"input":"text-to-video","aspect_ratio":"auto","resolution":"720p","duration":5}}'

JavaScript

const response = await fetch('https://getvibeapi.com/api/media/generate', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${process.env.GETVIBE_API_KEY}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "model": "kling-v4-flash",
  "prompt": "a beautiful landscape",
  "opts": {
    "input": "text-to-video",
    "aspect_ratio": "auto",
    "resolution": "720p",
    "duration": 5
  }
}),
});

if (!response.ok) throw new Error(`GetVibe API: ${response.status}`);
const { jobId } = await response.json();
console.log(jobId);

API request parameters

Parameters for requests to Kling 4.0 Flash via the GetVibe API.

Parameter

promptreq.

Type

text

Values

text description

Default

required

Price

—

Parameter

image_url

Type

URL

Values

Public image URL

Default

—

Price

—

Parameter

video_url

Type

URL

Values

Public video URL

Default

—

Price

—

Parameter

audio_url

Type

URL

Values

Public audio URL

Default

—

Price

—

Parameter

input

Type

option selection

Values

Text → video (default) · Keyframes → video · Reference → video

Default

Text → video

Price

Included in the base price

Parameter

aspect_ratio

Type

option selection

Values

Auto (default) · 16:9 · 9:16 · 1:1 · 21:9

Default

Auto

Price

Included in the base price

Parameter

resolution

Type

option selection

Values

720p (default)

Default

720p

Price

Included in the base price

Parameter

duration

Type

text / number

Values

any value

Default

—

Price

Included in the base price

Parameter

last_frame_url

Type

text / number

Values

any value

Default

—

Price

Included in the base price

Parameter

keep_original_sound

Type

yes/no

Values

Yes · No (default)

Default

Price

Included in the base price

Parameter

keyframe_urls

Type

Array<URLs>, 0–8 items

Values

Public HTTP(S) URLs

Default

—

Price

Included in the base price

Parameter

image_file_id

Type

text

Values

Alternative to image_url: the id of your own file from POST /v1/files (file-pv-…)

Default

—

Price

Included in the base price

Parameter

image_base64

Type

text

Values

Alternative to image_url: the file inline, as base64 or a data: URI

Default

—

Price

Included in the base price

Parameter

last_frame_file_id

Type

text

Values

Alternative to last_frame_url: the id of your own file from POST /v1/files (file-pv-…)

Default

—

Price

Included in the base price

Parameter

reference_image_urls

Type

Array<URLs>, 0–10 items

Values

Public HTTP(S) URLs

Default

—

Price

Included in the base price

Parameter

reference_video_urls

Type

Array<URLs>, 0–5 items

Values

Public HTTP(S) URLs

Default

—

Price

Included in the base price

Parameter

elements

Type

Array<objects>, 0–7 items

Values

object: name, image_urls, video_url, tag, description, voice_url

Default

—

Price

Included in the base price

Parameter

voices

Type

Array<objects>, 0–3 items

Values

object: name, audio_url

Default

—

Price

Included in the base price

Parameter

reference_image_file_ids

Type

Array<strings>

Values

List of values

Default

—

Price

Included in the base price

Parameter

reference_video_file_ids

Type

Array<strings>

Values

List of values

Default

—

Price

Included in the base price

Parameter	Type	Values	Default	Price
`prompt`req.	text	text description	required	—
`image_url`	URL	Public image URL	—	—
`video_url`	URL	Public video URL	—	—
`audio_url`	URL	Public audio URL	—	—
`input`	option selection	Text → video (default) · Keyframes → video · Reference → video	Text → video	Included in the base price
`aspect_ratio`	option selection	Auto (default) · 16:9 · 9:16 · 1:1 · 21:9	Auto	Included in the base price
`resolution`	option selection	720p (default)	720p	Included in the base price
`duration`	text / number	any value	—	Included in the base price
`last_frame_url`	text / number	any value	—	Included in the base price
`keep_original_sound`	yes/no	Yes · No (default)	No	Included in the base price
`keyframe_urls`	Array<URLs>, 0–8 items	Public HTTP(S) URLs	—	Included in the base price
`image_file_id`	text	Alternative to image_url: the id of your own file from POST /v1/files (file-pv-…)	—	Included in the base price
`image_base64`	text	Alternative to image_url: the file inline, as base64 or a data: URI	—	Included in the base price
`last_frame_file_id`	text	Alternative to last_frame_url: the id of your own file from POST /v1/files (file-pv-…)	—	Included in the base price
`reference_image_urls`	Array<URLs>, 0–10 items	Public HTTP(S) URLs	—	Included in the base price
`reference_video_urls`	Array<URLs>, 0–5 items	Public HTTP(S) URLs	—	Included in the base price
`elements`	Array<objects>, 0–7 items	object: name, image_urls, video_url, tag, description, voice_url	—	Included in the base price
`voices`	Array<objects>, 0–3 items	object: name, audio_url	—	Included in the base price
`reference_image_file_ids`	Array<strings>	List of values	—	Included in the base price
`reference_video_file_ids`	Array<strings>	List of values	—	Included in the base price

Request: POST https://getvibeapi.com/api/media/generate. Prices in USD.

Price of Kling 4.0 Flash

The cost of Kling 4.0 Flash: from $0.109286 per second. The price is calculated dynamically at the current exchange rate, and the final charge is shown in the API response (priceRub). Payment in USD, no subscriptions.

What a default request costs

With no parameters sent, the request uses these values: Source material — Text → video, Frame format — Auto, Keep the reference video sound — No. That request costs $0.109286.

Channels and prices for every parameter combination

For every channel, the price of every parameter combination. It is exactly the amount a successful generation is charged, and the same figure as in the machine-readable table linked below.

Pixelkling-v4-flashfrom $0.109286 / sexact prices

Input \ Aspect ratio	Auto	16:9	9:16	1:1	21:9	—
Text → video	$0.109286 / s	$0.109286 / s	$0.109286 / s	$0.109286 / s	$0.109286 / s	—
Keyframes → video	—	—	—	—	—	$0.109286 / s
Reference → video	$0.109286 / s	$0.109286 / s	$0.109286 / s	$0.109286 / s	$0.109286 / s	—

Every combination as JSON: /api/media/price-table?model=kling-v4-flash

README

The machine-readable contract for Kling 4.0 Flash contains the request schema, operations, limits, polling and response examples.

# Kling 4.0 Flash

Public model: kling-v4-flash
Create job: POST /api/media/generate
Check status: GET /api/media/jobs/{jobId}

## Input parameters
- `prompt` (text): text description; default: required
- `image_url` (URL): Public image URL; default: —
- `video_url` (URL): Public video URL; default: —
- `audio_url` (URL): Public audio URL; default: —
- `input` (option selection): Text → video (default) · Keyframes → video · Reference → video; default: Text → video
- `aspect_ratio` (option selection): Auto (default) · 16:9 · 9:16 · 1:1 · 21:9; default: Auto
- `resolution` (option selection): 720p (default); default: 720p
- `duration` (text / number): any value; default: —
- `last_frame_url` (text / number): any value; default: —
- `keep_original_sound` (yes/no): Yes · No (default); default: No
- `keyframe_urls` (Array<URLs>, 0–8 items): Public HTTP(S) URLs; default: —
- `image_file_id` (text): Alternative to image_url: the id of your own file from POST /v1/files (file-pv-…); default: —
- `image_base64` (text): Alternative to image_url: the file inline, as base64 or a data: URI; default: —
- `last_frame_file_id` (text): Alternative to last_frame_url: the id of your own file from POST /v1/files (file-pv-…); default: —
- `reference_image_urls` (Array<URLs>, 0–10 items): Public HTTP(S) URLs; default: —
- `reference_video_urls` (Array<URLs>, 0–5 items): Public HTTP(S) URLs; default: —
- `elements` (Array<objects>, 0–7 items): object: name, image_urls, video_url, tag, description, voice_url; default: —
- `voices` (Array<objects>, 0–3 items): object: name, audio_url; default: —
- `reference_image_file_ids` (Array<strings>): List of values; default: —
- `reference_video_file_ids` (Array<strings>): List of values; default: —

## Public variants
- `kling-v4-flash`: Pixel

Model JSON contract Media API guide OpenAPI JSON

FAQ about the Kling 4.0 Flash API

How much does Kling 4.0 Flash cost?

The price of Kling 4.0 Flash: from $0.109286 per second. The price is calculated dynamically at the current exchange rate.

Is it compatible with the OpenAI SDK?

Yes, the API is fully OpenAI-compatible. Just change base_url to https://getvibeapi.com/v1 and set your key — the rest of the code stays the same.

Connect Kling 4.0 Flash right now

Get API key

Kling 4.0 Flash API — how to connect and pay

Channel comparison

Build the result you need

What is Kling 4.0 Flash

Contract at a glance

Strengths

Where it is used

API contract

Example request

JavaScript

API request parameters

Price of Kling 4.0 Flash

Channels and prices for every parameter combination

README

FAQ about the Kling 4.0 Flash API

Connect Kling 4.0 Flash right now

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