Kling Avatar 2.0 API reference

Call Kling Avatar 2.0 from your own code with one PopNow API key. Below are the exact model IDs to send, every input field the model accepts, what each request costs in credits, and a request you can paste into a terminal.

At a glance

Made by: Kuaishou
Output: Video
From: 7.68 credits per second of output ($0.0768)
Model IDs: kling/avatar-2.0/talking-avatar

1 credit = $0.01. A task holds the highest possible charge when it is accepted and settles the real amount when it finishes, rounded up to whole credits; failed tasks are not charged. Ask POST /api/v1/jobs/quote for the exact figure before you run.

Talking Avatar

kling/avatar-2.0/talking-avatar

Price

Option	Credits (per second of output)	US dollars
`720p`	7.68	$0.0768
`1080p`	15.36	$0.1536

Parameters

Field	Type	Default	Allowed	What it does
`image_url`Required	`string (uri)`	—	—	Portrait to bring to life: a clear, front-facing face works best. JPEG or PNG only.
`audio_url`Required	`string (uri)`	—	—	Speech or song the avatar performs. The clip is as long as this audio.
`prompt`Optional	`string`	—	up to 2,500 characters	Optional direction for the performance: mood, gestures, where the eyes go.
`resolution`Optional	`string`	`720p`	720p, 1080p	Output resolution. Higher tiers cost more per second.

Example request

This request runs as it is; any field you leave out uses its default. Put your key in POPNOW_API_KEY first.

The example uses PopNow sample files in audio_url, image_url. Replace them with your own public HTTPS links, uploads or saved assets.

POST /api/v1/jobs/createTask

curl -X POST "https://api.popnow.ai/api/v1/jobs/createTask" \
  -H "Authorization: Bearer $POPNOW_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "model": "kling/avatar-2.0/talking-avatar",
  "input": {
    "prompt": "Speaks warmly to the camera with natural head movement and a relaxed smile",
    "image_url": "https://media.popnow.ai/influencer/examples/marco.webp",
    "audio_url": "https://media.popnow.ai/shortfilm/voices/Aoede-46e4c427.mp3",
    "resolution": "720p"
  }
}'

The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.

GET /api/v1/jobs/recordInfo

curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
  -H "Authorization: Bearer $POPNOW_API_KEY"