Use Kling O3 through Rivya Public API v1 with model id kling-o3, supported inputs, parameters, Files API rules, credits, and response examples.

Available via APIText or URL ready; reference modes use Files APIVideo

API model id

kling-o3

Inputs

text, file

Files API

Required for reference modes

Base credits

per_output_second · 720p_without_audio=14 · 720p_with_audio=18 · 1080p_without_audio=18 · 1080p_with_audio=23 · 4k_without_audio=67 · 4k_with_audio=67 · ⌈total⌉

Capability

Video

Billing

METERED

Prompt limit

3072 characters

Request contract

Send the model id at the top level. Model-specific controls belong in params.

Key	Type	Required	Default	Description
model	string	Yes	kling-o3	Use the kling-o3 API model id.
prompt	string	Yes	-	Maximum 3072 characters for this model.
params	object	No	-	Model-specific parameter object. Use the rows below for allowed keys.
client_request_id	string	No	-	Optional client-side id for tracing requests in your system.

Model parameters

Key	Type	Required	Default	Range	Options	Description
resolution	select	No	720p	-	720p, 1080p, 4k	Generation mode
duration	select	No	5	-	3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15	Duration
audio	select	No	false	-	false, true	Generate audio
aspect_ratio	select	No	16:9	-	16:9, 9:16, 1:1	Aspect ratio

Upload policy

Upload reference files first, then place the returned URL and duration token inside params.referenceMediaItems.

Reference rule

Reference media: Upload up to 2 image files total for image-to-video projects.

Max files

Accepted file kinds

image

Duration token

Video and audio references should carry durationToken from /api/v1/files when duration verification is required.

kind	Max size	MIME types
image	10 MB	image/jpeg, image/png

Minimal request

{
  "model": "kling-o3",
  "prompt": "A cinematic product reveal with smooth camera movement",
  "params": {
    "resolution": "720p",
    "duration": "5",
    "audio": "false",
    "aspect_ratio": "16:9"
  }
}

Reference-file request

{
  "model": "kling-o3",
  "prompt": "A cinematic product reveal with smooth camera movement",
  "params": {
    "resolution": "720p",
    "duration": "5",
    "audio": "false",
    "aspect_ratio": "16:9",
    "referenceMediaItems": [
      {
        "url": "https://cdn.example.com/reference-image.png",
        "kind": "image",
        "name": "reference-image.png",
        "mimeType": "image/png"
      }
    ]
  }
}

Create response

The create endpoint returns a public task id. Poll the status endpoint until the task succeeds or fails.

{
  "id": "task_kling_o3_example",
  "status": "queued",
  "model": "kling-o3",
  "reserved_credits": 70,
  "final_credits": 0,
  "settlement_status": "RESERVED",
  "created_at": "2026-05-11T00:00:00.000Z",
  "updated_at": "2026-05-11T00:00:00.000Z",
  "result": null,
  "error": null
}

Common errors

validation_failed, insufficient_credits, idempotency_conflict, rate_limited, not_found

Some modes require Files API reference uploads.

Kling O3 API Integration