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| Rule & Modality | Channel | Credits | Price (USD) | Official / Reference Price | Daily Savings |
|---|---|---|---|---|---|
kling-v3-video-standard videoKlingmode: standard, generate_audio: false | Starter | 1per second | $0.005 | Replicate$0.168per second | Based on 1,000 10-second videos/dayReplicate costs $1634.570/day moreApiPass is 97.29% lower |
kling-v3-video-standard-audio videoKlingmode: standard, generate_audio: true | Starter | 1per second | $0.005 | Replicate$0.252per second | Based on 1,000 10-second videos/dayReplicate costs $2474.550/day moreApiPass is 98.20% lower |
kling-v3-video-pro videoKlingmode: pro, generate_audio: false | Starter | 1per second | $0.005 | Replicate$0.224per second | Based on 1,000 10-second videos/dayReplicate costs $2194.550/day moreApiPass is 97.97% lower |
kling-v3-video-pro-audio videoKlingmode: pro, generate_audio: true | Starter | 1per second | $0.005 | Replicate$0.336per second | Based on 1,000 10-second videos/dayReplicate costs $3314.550/day moreApiPass is 98.65% lower |
kling-v3-video-4k videoKlingmode: 4k, generate_audio: true | Starter | 1per second | $0.005 | Kling 3.0 (4K, native audio)source$0.420per secondKling's official API price is $0.42 per second for 4K video with native audio. | Based on 1,000 10-second videos/dayKling 3.0 (4K, native audio) costs $4154.550/day moreApiPass is 98.92% lower |
Competitor pricing costs $3314.550/day more
ApiPass is 98.65% lower, estimated at Based on 1,000 10-second videos/day
kling-v3-video-pro-audio
mode: pro, generate_audio: true
ApiPass Price
$0.005
1 credits per second
Competitor Prices
Complete guide to using Kling v3 Video
Direct professional-grade films with native audio, multi-camera cinematography, and unwavering character consistency—generate 15-second, 4K commercial-ready videos from a single prompt with the Kling 3.0 Video API on ApiPass.
The Kling 3.0 Video API is the latest flagship video generation model from Kuaishou's Kling AI team, engineered to bridge the gap between AI-generated clips and true cinematic production. It combines native audio synthesis, multi-shot storyboarding, and full element consistency to produce up to 15 seconds of 4K commercial-grade video from a single prompt—complete with synchronized dialogue, lip-sync, on-screen text, and complex camera movements. It's built for creators, agencies, and studios producing social media hero content, product showcases, storyboard previsualizations, branded advertisements, and short-form narrative films. On ApiPass, you get access to Kling 3.0 Video at $0.173 per second (38 credits/sec) — 48.59% lower than typical Kling 3.0 Video API providers, which charge around $0.336/sec. At a production volume of 1,000 ten-second videos per day, that's a savings of $1,632.73 per day compared to competing platforms, making ApiPass the most cost-efficient gateway to state-of-the-art cinematic video generation.
The Kling 3.0 Video Standard API is designed for efficient video generation at lower credit cost ($0.168/sec without audio, $0.252/sec with audio). It delivers consistent quality suitable for high-volume production such as marketing materials, social media content, and rapid prototyping where cost control is important.
The Kling 3.0 Video Pro API prioritizes higher visual fidelity and more refined rendering ($0.224/sec without audio, $0.336/sec with audio). This mode produces cinematic-grade output with stronger detail and presentation quality, making it ideal for professional brand videos, narrative content, and polished creative productions.
Kling 3.0 Video understands professional cinematography terminology and multi-camera directives (dolly-in, tracking shot, over-the-shoulder, Dutch angle, match cut, etc.), producing narrative sequences with director-level shot composition and coverage rather than single flat takes.
Native audio generation delivers voice consistency across multi-camera montages with frame-accurate lip-sync and zero speaker-to-character misalignment. The model produces a full range of vocal performances, from actor-caliber dialogue delivery and genre-specific vocal singing to naturalistic everyday conversation.
Characters, props, wardrobe, and environments remain locked across camera cuts and complex movements. No flickering, no morphing, no identity drift—delivering the continuity required for professional narrative work.
Kling 3.0 Video API can generate up to 15 continuous seconds in a single pass, eliminating the awkward stitching of shorter AI clips. Maintain uniform resolution, consistent elements, and a unified audiovisual style throughout—ready for social campaigns, product films, animatics, and broadcast-quality ad spots.
Native speech output in Chinese, English, Japanese, Korean, and Spanish, with the ability to switch languages naturally within a single video. Accent fidelity is supported across English variants including American, British, Indian, Spanish-accented, and Japanese-accented English.
Render legible, style-directable native text that stays crisp and stable throughout the full 15-second duration—purpose-built for brand advertising, product demos, title cards, and commercial storytelling.
True 4K resolution rendering that holds up through multi-shot edits, scene transitions, and aggressive camera choreography. Output is delivery-ready for commercial deployment with no upscaling or post-production cleanup required.
Get started with our product in just a few simple steps...
Create an account on apipass.dev and obtain your Kling 3.0 Video API Key. This key authenticates all requests to the Kling 3.0 Video API and links usage to your account, enabling secure access to video generation endpoints.
Use the interactive playground to test the Kling 3.0 Video API before integrating it into your system. Enter prompts, upload reference images, adjust mode and duration settings, and preview generated results to validate your configuration before moving to production.
Send a "POST" request to "/api/v1/jobs/createTask" with your Bearer token and a JSON payload specifying "model: "kling/kling-v3-video"" along with an "input" object. At minimum, "input.prompt" is required; from there, layer in "input.negative_prompt" to exclude unwanted stylistic elements, "input.start_image" and "input.end_image" for first-and-last-frame generation, "input.mode" ("standard" for fast iteration or "pro" for commercial-grade output), "input.aspect_ratio", and "input.duration" (3–15 seconds). For multi-shot sequences, pass "input.multi_prompt" as an array of up to 6 shot objects, each with its own "prompt" and "duration", with the total duration matching the top-level "input.duration". Set "input.generate_audio" to "true" when you need native dialogue and lip-sync in the output, and supply a "callbackUrl" if you'd rather receive a webhook notification than poll for completion.
Deploy your integration to production and handle generation as an asynchronous job. After submitting a task, poll "GET /api/v1/jobs/recordInfo?taskId=" to track "data.state" through its lifecycle—"waiting", "queuing", "generating", and finally "success" or "failed". On success, parse "data.resultJson" to retrieve the "resultUrls" array and deliver the generated video to your users or downstream systems. If you registered a "callbackUrl" at task creation, you can skip polling entirely and consume the completion payload directly at your endpoint.
Once deployed, scale video generation by optimizing prompt quality, selecting "standard" mode for high-volume drafting and "pro" mode only for finalized, delivery-ready assets, and using "multi_prompt" to consolidate complex multi-shot content into a single task rather than stitching separate clips. For high-throughput workloads, the "channel" parameter lets you route tasks across ApiPass's underlying providers—"starter" for lower-cost, higher-latency processing, "regular" for balanced stability and speed, or "official" for guaranteed parity with Kling's native service—so you can tune cost and reliability per use case, or leave it on "auto" to let ApiPass balance routing automatically.
To get the best output from the Kling 3.0 Video API, follow these guidelines for prompt crafting and image reference selection.
The Kling 3.0 Video API was trained to parse professional film terminology, so vague prompts leave quality on the table. Specify shot types (extreme close-up, wide establishing shot, two-shot), camera movement (crane up, whip pan, slow dolly-in), and lighting setups (three-point lighting, high-key, chiaroscuro, golden-hour backlight) the way you would in a shot list. A prompt like "medium close-up, soft key light from camera-left, subtle rim light, slow push-in" will consistently outperform "a person talking, nice lighting."
Negative prompts in the Kling 3.0 Video API are most powerful when they steer aesthetic direction rather than just suppress artifacts. Use them to lock out unwanted stylistic drift: exclude "anime style" and "illustration" to keep a photoreal look consistent across shots, exclude "handheld camera shake" to enforce a stabilized, tripod-mounted feel for corporate content, or exclude "warm color grade" when you need a cool, desaturated tone for a thriller-style trailer. Treated this way, negative prompts function as a second creative lever alongside the main prompt.
When using first-and-last-frame mode in the Kling 3.0 Video API, keep recurring elements—especially the main character—visually identical across both reference images: same wardrobe, same lighting direction, same facial angle where possible. Low-resolution or mismatched references are the most common cause of identity drift mid-sequence. Feeding the model clean, high-detail stills gives Full Element Consistency the anchor points it needs to hold a character steady through complex camera movement.
The Kling 3.0 Video API offers two tiers for a reason: use the standard tier to iterate quickly and cheaply on prompt structure, framing, and pacing before committing to a final take. Once the shot, dialogue, and camera choreography are locked, switch to the pro tier to render the delivery-ready 4K commercial asset. This two-stage workflow keeps testing costs low while ensuring only finished, approved concepts consume pro-tier credits.
The Kling 3.0 Video API supports native speech synthesis across Chinese, English, Japanese, Korean, and Spanish. On top of that, it faithfully reproduces a wide range of accents and regional dialects—American, British, Indian, and Japanese-accented English, as well as Chinese variants like Cantonese and Sichuanese. This dual capability allows brands to develop a single campaign concept and localize it into region-specific spots without re-shooting or dubbing, delivering naturalistic dialogue and lip-sync tuned to each target market from the same source prompt.
The Cinematic Multi-Shot Storyboarding capability of the Kling 3.0 Video API lets directors and creative teams block out full scenes—coverage, cutaways, camera movement—before committing to a live-action shoot. Because the standard tier renders fast and cheap, teams can iterate through multiple staging options and get director-level shot composition to review internally in hours rather than days.
The 15-second commercial-grade generation window in the Kling 3.0 Video API, combined with multi-camera directives and synchronized audio, is enough to build a self-contained mini-trailer: an establishing shot, a dramatic push-in, and a vocal beat, all in one continuous pass. This makes the model well suited for pitch decks, crowdfunding teasers, and social-first announcement videos that need to feel produced, not generated.
Full Element Consistency in the Kling 3.0 Video API keeps a brand mascot, spokesperson, or product hero visually locked across every cut, which is the core requirement for any narrative that spans multiple scenes. Campaigns built around a recurring character—an ongoing ad series or an episodic social format—can maintain identity fidelity without the flickering or drift that undermines viewer trust in shorter-context models.
The Kling 3.0 Video API's native 4K output and professional on-screen typography let commerce and DTC teams generate broadcast-ready product spots complete with legible spec callouts, pricing text, or CTA overlays baked directly into the footage. Multi-camera coverage of a single product—rotating hero shots, macro detail cuts, lifestyle context—can be generated from one prompt instead of coordinating a physical shoot.
Beyond commercial use cases, the Kling 3.0 Video API's command of cinematographic language and vocal performance range—from actor-caliber delivery to genre-specific singing—makes it a production tool for independent creators exploring short-form narrative or music-driven video art, where creative control over camera grammar and performance matters as much as visual fidelity.
apipass.dev offers competitive Kling 3.0 Video API pricing designed for real production workloads. With per-second billing and both standard and pro tiers, teams can optimize costs based on quality requirements and generation volume.
The Kling 3.0 Video API documentation on apipass.dev provides clear, structured guidance covering all parameters, generation modes, image reference requirements, and multi-shot configuration. Developers can integrate quickly and confidently.
With 24/7 support, apipass.dev ensures continuous availability and responsive technical assistance for the Kling 3.0 Video API. Teams can rely on stable service and expert help throughout development, testing, and production.
All APIs require authentication via Bearer Token.
Authorization: Bearer
Create a new Kling v3 video generation task
The API accepts a JSON payload with the following structure:
1{
2 "model": "string",
3 "callBackUrl": "string (optional)",
4 "channel": "auto",
5 "input": {
6 // Input parameters based on form configuration
7 }
8}modelRequiredstringThe model name to use for generation
"kling/kling-v3-video"
callBackUrlOptionalstringCallback URL for task completion notifications.
"https://your-domain.com/api/callback"
channelOptionalstringYou may specify the corresponding provider within APIPASS via the channel parameter; these providers handle the actual image and video generation tasks. APIPASS currently offers three provider options:
The default value for the channel parameter is auto. When enabled, APIPASS automatically allocates tasks across available providers based on real-time pricing and stability metrics to balance minimal cost and reliable performance. Retain the default auto value unless you have custom routing requirements.
Available options:
auto
The input object contains the following parameters:
input.promptRequiredstringText description of the video to generate. Maximum 2500 characters.
Max length: 2500 characters
"A serene mountain landscape with a flowing river, golden hour lighting, cinematic quality."
input.negative_promptOptionalstringDescribe what you do NOT want in the video. Maximum 2500 characters.
Max length: 2500 characters
"blurry, low quality, distorted"
input.start_imageOptionalstring (URL)URL of the first-frame reference image. Supported formats: jpg/jpeg/png. Max size: 10MB. Min dimension: 300px. Aspect ratio: 1:2.5 to 2.5:1.
Provide a publicly accessible image URL
"https://example.com/my-image.jpg"
input.end_imageOptionalstring (URL)URL of the last-frame reference image. Requires start_image to be provided. Supported formats: jpg/jpeg/png. Max size: 10MB.
Only valid when start_image is also provided
"https://example.com/my-end-image.jpg"
input.modeOptionalstringGeneration mode. 'standard' for cost-efficient output; 'pro' for higher visual quality. Default: 'pro'.
Default: pro
Available options:
"pro"
input.aspect_ratioOptionalstringVideo aspect ratio. Ignored when start_image is provided. Default: '16:9'.
Default: 16:9. Ignored when start_image is set.
Available options:
"16:9"
input.durationOptionalintegerVideo duration in seconds. Range: 3–15. Default: 5.
Range: 3–15 seconds. Default: 5.
5
input.generate_audioOptionalbooleanWhether to generate native audio for the video. Default: false.
Default: false
false
input.multi_promptOptionalarray (JSON)Multi-shot mode configuration. An array of up to 6 shot objects, each with a prompt and duration. Each shot must be at least 1 second, and total duration must equal the top-level duration value.
Max 6 shots. Each shot min 1s. Total must equal duration.
[{"prompt": "Scene 1 description", "duration": 3}, {"prompt": "Scene 2 description", "duration": 2}]1curl -X POST "https://api.apipass.dev/api/v1/jobs/createTask" \
2 -H "Content-Type: application/json" \
3 -H "Authorization: Bearer YOUR_API_KEY" \
4 -d '{
5 "model": "kling/kling-v3-video",
6 "callBackUrl": "https://your-domain.com/api/callback",
7 "input": {
8 "prompt": "A serene mountain landscape with a flowing river, golden hour lighting, cinematic quality.",
9 "mode": "pro",
10 "aspect_ratio": "16:9",
11 "duration": 5,
12 "generate_audio": false
13 }
14 }'1{
2 "code": 200,
3 "message": "success",
4 "data": {
5 "taskId": "task_12345678"
6 }
7}codeStatus code, 200 for success, others for failure
messageResponse message, error description when failed
data.taskIdTask ID for querying task status
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