curl-X POST 'https://pollo.ai/api/platform/v1/generation/kling-ai/kling-v1-6/video'\-H'Content-Type: application/json'\-H'x-api-key: YOUR_API_KEY'\-d'{ "input": { "prompt": "A cinematic shot of a golden retriever running through a field of sunflowers at sunset, warm rim light, shallow depth of field", "negativePrompt": "blurry, low quality, distorted, watermark, text", "aspectRatio": "16:9", "duration": 5 }}'
Optionally include webhookUrl to receive a callback when the task succeeds or fails.
Optional request field
{"input":{"prompt":"A cinematic shot of a golden retriever running through a field of sunflowers at sunset, warm rim light, shallow depth of field","negativePrompt":"blurry, low quality, distorted, watermark, text","aspectRatio":"16:9","duration":5},"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.
Kling 1.6 turns a single still into believable motion. It reads a source image, infers how subjects should move, and animates lifelike action with steadier dynamics than earlier Kling releases.
With Kling 1.6 on Pollo API, developers add image-to-video and text-to-video to their apps, guiding shots with a start image, an optional end frame, prompt strength, and std, pro, or 4K modes.
Key Features of Kling 1.6 API
Image-Led Motion
Feed one photo and Kling 1.6 animates it, keeping the original subject, framing, and details intact while adding motion that feels natural rather than warped or drifting.
Start-and-End Frame Control
Supply a first image and a tail image, and the model interpolates the movement between them, giving you directed transitions and predictable openings and closings for each clip.
Enhanced Motion Dynamics
Gestures, camera drift, and moving elements carry momentum and follow-through, so animated scenes look kinetic instead of stiff or floating across the frame.
Adjustable Prompt Strength
A tunable strength control lets you dial how tightly the output follows your text, balancing faithful direction against the model's own motion instincts.
Quality Modes and Framing
Choose standard, pro, or 4K rendering, plus 16:9, 9:16, or 1:1 framing, so a single model serves fast drafts and detail-heavy final shots.
Use Cases of Kling 1.6 API
Photo Animation Tools: Let users upload a portrait or scene and watch it come alive with subtle, believable movement inside your app.
Product Motion From Stills: Turn a flat catalog image into a rotating or gently animated clip without a physical shoot or 3D pipeline.
Start-to-End Transitions: Use a first and last frame to script a controlled morph, such as a bud opening into a full bloom.
Vertical Social Clips: Generate 9:16 shots for short-form feeds directly from a brand image or a text idea.
Concept Motion Boards: Animate mood images so creative teams can preview how a still concept might move before production.
Text-Driven Scene Drafts: Describe a scene and get a quick moving draft when no source image exists yet.
Batch Content Pipelines: Feed a library of images through automated jobs to produce animated variants at scale.
How to Use Kling 1.6 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 1.6 endpoint at /generation/kling-ai/kling-v1-6.
Add Your Inputs: For image-to-video, pass an image URL, an optional imageTail, and a prompt; for text-to-video, send a prompt with aspectRatio, then set length (5 or 10) and mode (std, pro, or 4k).
Generate and Retrieve: Submit the task, poll the returned task status, and download the video once processing succeeds.
Prompting Best Practices for Kling 1.6 API
Since Kling 1.6 leans on your source image, describe the motion you want rather than the scene itself. Name what moves, how it moves, and how the camera behaves.
A Simple Prompt Formula
Subject already in the image + specific motion and direction + camera behavior + pace and mood
What You Should Notice
Anchor To The Image: Describe changes to the existing photo, not a brand-new scene, so the animation stays grounded in your source.
Name The Motion: State whether something spins, drifts, unfolds, or leans, so the model has a clear movement target.
Use The Tail Frame: Add an end image when you need a defined destination for the shot's transition.
Tune Strength Deliberately: Raise prompt strength for tight direction, lower it when you want the model to move more freely.
Match Mode To Purpose: Draft in standard mode, then switch to pro or 4K for delivery shots that need extra detail.
Example Prompts
Craft In Motion
"A potter's hands press into wet clay on a spinning wheel, the walls rising and thinning as the wheel turns, water glistening on the surface. Slow push-in, soft studio light, calm and focused pace."
Slow Bloom Transition
"A tight flower bud on a stem gradually unfurls into a full open blossom, petals separating one by one. Steady macro camera, morning light, gentle and continuous motion from first frame to last."
Everyday Object Coming Alive
"A vintage typewriter on a wooden desk, keys pressing down in sequence as the carriage shifts and a sheet of paper feeds upward. Side angle, warm desk lamp glow, unhurried mechanical rhythm."
Vertical Nature Loop
"A koi pond seen from above, orange and white fish gliding in slow arcs beneath the surface as ripples spread outward. Overhead framing for vertical video, dappled daylight, tranquil looping motion."
Kling 1.6 vs Runway Gen-3 Alpha vs Luma Dream Machine
Capability
Kling 1.6
Runway Gen-3 Alpha
Luma Dream Machine
Image-to-video focus
✅ Strong, image-first design
✅ Supported
✅ Supported
Start-and-end frame control
✅ First and tail image
✅ First and last frame
✅ Keyframes
Motion dynamics
✅ Enhanced, lifelike movement
✅ Smooth motion
✅ Fluid motion
Quality modes
Standard, pro, 4K
Single quality tier
Single quality tier
Aspect ratios
16:9, 9:16, 1:1
Multiple ratios
Multiple ratios
Clip length
5 or 10 seconds
Short clips
Short clips
Recommended For
Animating stills with directed motion
General text and image video
Fast, playful image animation
Why Choose Kling 1.6 API?
Kling 1.6 is built around one strength: taking a still image and giving it lifelike, directable motion, with tail-frame control and quality modes that scale from drafts to detailed clips.
Through Pollo API, you reach Kling 1.6 with one API key alongside 300+ leading video and image models, with clean docs, task status polling, and generation that costs less than Fal AI.
Start with the Kling 1.6 endpoint on Pollo API to ship image-to-video features, then compare it against Runway, Luma, and other Kling versions without touching your integration.
Kling 1.6 API FAQs
What is Kling 1.6?
Kling 1.6 is a Kling AI video model centered on image-to-video generation, known for lifelike movement and enhanced motion dynamics, with text-to-video and start-and-end frame control.
Does Kling 1.6 API support text and image inputs?
Yes. It animates an image URL for image-to-video, or generates from a text prompt with your chosen aspect ratio when you have no source image.
What is the tail image used for?
The tail image sets the final frame of a clip, so Kling 1.6 animates a controlled transition from your starting image to a defined ending.
What lengths and quality modes are available?
Clips run 5 or 10 seconds, and you can render in standard, pro, or 4K mode depending on how much detail your final output needs.
How should I prompt Kling 1.6 for image-to-video?
Describe the motion you want applied to the existing image, naming what moves and how the camera behaves, rather than redescribing the whole scene.
Why run Kling 1.6 through Pollo API?
Pollo API gives one integration for Kling 1.6 and 300+ other models, with documentation, task tracking, and lower-cost generation than comparable providers.
