Use Kling AI Avatar Standard through Rivya Public API v1 with model id kling-ai-avatar-standard, supported inputs, parameters, Files API rules, credits, and response examples.

Available via APIReadinessVideo

API model id

kling-ai-avatar-standard

Inputs

file

Files API

Required for reference modes

Base credits

per_input_second · default=8 · ⌈total⌉

Capability

Video

Billing

METERED

Prompt limit

5000 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-ai-avatar-standard	Use the kling-ai-avatar-standard API model id.
prompt	string	No	-	Maximum 5000 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

This model does not require additional params beyond model, prompt, and optional client_request_id.

Upload policy

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

Reference rule

Portrait image and audio: Upload one portrait image and one audio clip together.

Max files

Accepted file kinds

image, audio

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
audio	95 MB	audio/mpeg, audio/mp4, audio/wav, audio/x-wav, audio/aac, audio/ogg

Minimal request

{
  "model": "kling-ai-avatar-standard"
}

Reference-file request

{
  "model": "kling-ai-avatar-standard",
  "params": {
    "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_ai_avatar_standard_example",
  "status": "queued",
  "model": "kling-ai-avatar-standard",
  "reserved_credits": 8,
  "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 AI Avatar Standard API Integration