curl-X POST 'https://pollo.ai/api/platform/v1/generation/kling-ai/kling-v3/video'\-H'Content-Type: application/json'\-H'x-api-key: YOUR_API_KEY'\-d'{ "input": { "prompt": "A cinematic tracking shot of a red fox running through a snowy pine forest at sunset, volumetric light, shallow depth of field", "negativePrompt": "blurry, distorted, low quality, watermark, text", "aspectRatio": "16:9", "duration": 5, "mode": "std", "generateAudio": true }}'
Optionally include webhookUrl to receive a callback when the task succeeds or fails.
Optional request field
{"input":{"prompt":"A cinematic tracking shot of a red fox running through a snowy pine forest at sunset, volumetric light, shallow depth of field","negativePrompt":"blurry, distorted, low quality, watermark, text","aspectRatio":"16:9","duration":5,"mode":"std","generateAudio":true},"webhookUrl":"https://example.com/webhooks/pollo"}
Schema
Input fields for the selected endpoint and mode.
Field
Type
Required
Description
prompt
string
Yes
Text prompt describing the content to generate.
negativePrompt
string
No
Text describing elements to avoid in the generated output.
aspectRatio
string
No
Output aspect ratio, as width:height (e.g. 16:9).
duration
integer
No
The duration of the generated video, in seconds.
mode
string
No
Generation mode of the model (e.g. a faster or higher-quality tier).
generateAudio
boolean
No
Generate natural-sounding, fitting audio for the output video.
Kling 3.0 emphasizes physical simulation. Limbs, fabric, water, and crowds move with weight and continuity across action-heavy and longer sequences.
With Kling 3.0 on Pollo API, developers add text-to-video and image-to-video to their apps, chaining multi-shot sequences up to 15 seconds with tight prompt adherence and optional synced audio.
Key Features of Kling 3.0 API
Complex Motion Modeling
Physical simulation drives movement, with running figures, splashing liquid, and interacting objects maintaining momentum and contact through complex scenes.
Strong Prompt Adherence
Kling 3.0 reads dense prompts closely, honoring described subjects, actions, camera moves, and sequencing for consistent output.
Multi-Shot Sequencing
A single request can render a short sequence of connected shots, letting one generation carry a mini-narrative with changing angles instead of a single static take.
Hyper-Realistic Textures
Surfaces render with fine grain, from skin pores and hair to metal, cloth, and foliage. A 4K mode is available for close-ups and large-format delivery.
Start-to-End Frame Control
Supply a first frame and a tail frame, and the model interpolates believable motion between them, giving precise control over how a shot begins and where it lands.
Synced Audio Option
Kling 3.0 can generate natural, scene-fitting audio alongside the video, so ambient sound and effects arrive with the clip rather than in a separate pass.
Use Cases of Kling 3.0 API
Action and Stunt Sequences: Render fast body motion like parkour, martial arts, or a chase where momentum and contact stay physically believable across the whole clip.
Multi-Shot Story Beats: Generate a short connected sequence with shifting camera angles in one request, useful for narrative apps and storyboard-to-video tools.
Frame-Locked Transitions: Use a start and tail image to drive a controlled reveal, morph, or before-and-after shot for editing and template products.
Texture-Critical Close-Ups: Produce macro shots of food, fabric, or materials in 4K where fine surface grain carries the appeal.
Crowd and Environment Motion: Animate busy scenes with many moving elements, such as a market, a stadium, or waves, without the scene collapsing.
Prompt-Driven Prototyping: Let creative teams preview a densely described shot and trust the output to match staging before committing to a full render.
Audio-Ready Social Clips: Ship vertical or square clips with fitting generated sound for platforms where video plays with audio on by default.
How to Use Kling 3.0 API
Get an API Key: Create a Pollo API account and generate your API key from the developer dashboard.
Choose the Model: Send requests to the Kling 3.0 video endpoint at /generation/kling-ai/kling-v3.
Add Your Inputs: Provide a prompt for text-to-video, or an image URL for image-to-video with an optional imageTail, then set length (3-15), mode (std, pro, or 4k), and toggle multiShot or generateAudio.
Generate and Retrieve: Submit the task, poll the returned task status, and download the finished video once processing succeeds.
Prompting Best Practices for Kling 3.0 API
Write prompts like a shot list. Name the subject, the specific motion and its physics, the camera behavior, and the shot order, giving the model enough structure to sustain complex movement.
A Simple Prompt Formula
Subject + detailed action and physics + camera movement + shot sequence or transition + setting, lighting, and style
What You Should Notice
Detail The Motion: Spell out how things move and collide, since physical simulation rewards precise action over vague direction.
Plan The Shots: For multi-shot output, describe the sequence of angles so connected beats land in the intended order.
Set The Frames: When using a start and tail image, keep both consistent in subject and framing so the interpolation stays smooth.
Match The Mode: Reserve 4K for texture-heavy close-ups and use standard or pro modes for faster drafts and iteration.
Fit The Length: Longer generations up to 15 seconds suit sequences, while shorter clips keep single actions tight and coherent.
Cue The Audio: If you enable generated sound, name the ambient or effect cues you expect so the audio matches the scene.
Example Prompts
Physics-Heavy Action
"A traceur sprints across a rooftop, vaults a low wall, and rolls on landing as gravel scatters. The camera tracks alongside at speed, late-afternoon sun, dust catching the light, grounded realistic style with believable weight."
Multi-Shot Sequence
"A potter centers wet clay on a spinning wheel; cut to a close-up of fingers pulling the walls up; cut to the finished bowl lifting free. Warm studio light, steady handheld angles, documentary realistic style."
Frame-Controlled Transition
"Start on a bare winter branch, then bloom into full spring blossom as petals unfold and a bee arrives. Slow macro push-in, soft morning light, shallow depth of field, natural realistic style focused on smooth transformation."
Texture Close-Up in 4K
"Molten glass glows on a blowpipe as the artisan turns and shapes it, orange light rippling across the surface while heat distorts the air. Tight 4K close-up, dark workshop, slow orbit, hyper-detailed realistic style."
Kling 3.0 vs Google Veo 3.1 vs Sora 2
Capability
Kling 3.0
Google Veo 3.1
Sora 2
Complex motion and physics
✅ Strong simulation for busy action
✅ Realistic motion
✅ Coherent physics
Multi-shot in one request
✅
✅
✅
Start and tail frame control
✅
✅
❌
Max clip length
Up to 15 seconds
Up to 8 seconds
Short clips
Output modes
Standard, pro, and 4K
Up to 1080P
Up to 1080P
Generated audio
✅ Optional synced audio
✅ Native audio
✅ Native audio
Recommended For
Long, motion-heavy sequences in 4K
Prompt-faithful realistic shots
Story-driven scene generation
Why Choose Kling 3.0 API?
Kling 3.0 fits products that need demanding motion to stay believable, from action sequences and crowd scenes to frame-controlled transitions rendered with realistic texture up to 4K.
Through Pollo API, you reach Kling 3.0 with one API key alongside 300+ leading video and image models, with clean docs and task status polling.
Start with the Kling 3.0 video endpoint on Pollo API to ship motion-rich video features, then compare it against Veo, Sora, and Seedance without rewriting your integration.
Kling 3.0 API FAQs
What is Kling 3.0?
Kling 3.0 is a Kling AI video model built for complex motion and physical simulation, supporting text-to-video and image-to-video with multi-shot sequences, 4K output, and optional audio.
Does Kling 3.0 API support text and image inputs?
Yes. You can generate from a text prompt or from an image URL, and add a tail image to control both the opening and closing frames of a shot.
How long can Kling 3.0 clips be?
Clip length is selectable from 3 to 15 seconds per request, so you can size output for single actions or longer multi-shot sequences.
What output quality does Kling 3.0 offer?
It runs in standard, pro, and 4K modes, with the 4K mode reserved for texture-heavy close-ups and large-format delivery where fine detail matters.
Can Kling 3.0 handle fast, complex motion?
Yes. Physical simulation is its focus, so fast action, colliding objects, and crowded scenes keep weight and continuity that simpler models often lose.
Why run Kling 3.0 through Pollo API?
Pollo API gives one integration for Kling 3.0 and 300+ other models, with documentation and task tracking.
