Kling v3 API (kling-3 / kling3) — prompts guide with published pricing

default $0.0672; pro $0.0896; sound $0.1008 — flat per-unit billing through the OpenAI-compatible APIMart gateway, $1 minimum top-up.

Live pricing · Get an API key

Everything here refers to kling-3 — also written kling3 or kling 3.

Pricing (observed, snapshot 2026-09-24)

Tier	Price
default	$0.0672
pro	$0.0896
sound	$0.1008
pro-sound	$0.1344

Cost at scale

Volume	Cost
100	$6.72
1,000	$67.2

How to call it

curl --request POST --url https://api.apimart.ai/v1/videos/generations \
  --header "Authorization: Bearer $APIMART_API_KEY" --header 'Content-Type: application/json' \
  --data '{"model":"kling-v3","prompt":"a modern cliffside villa at dusk","size":"16:9","n":1}'

Submit, keep the task_id, poll GET /v1/tasks/{id} until completed; the response carries the URL and the exact amount charged.

Disclosure

Documents access through APIMart, a third-party API gateway; not affiliated with the model vendor.