Kling 4.0 Flash API pricing per second

BODY='{"model":"kling/kling-4-flash","prompt":"a dog surfing at sunset","seconds":5,"resolution":"720p","aspect_ratio":"9:16"}'

CREDITS=$(curl -s -X POST https://api.cut.pro/api/v1/generations/quote \
  -H "X-Api-Key: $CUTPRO_API_KEY" \
  -H "Content-Type: application/json" \
  -d "$BODY" | jq .credits)

curl -X POST "https://api.cut.pro/api/v1/generations?wait=60" \
  -H "X-Api-Key: $CUTPRO_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d "$(jq -c --argjson credits "$CREDITS" '. + {credits: $credits}' <<< "$BODY")"

const api = "https://api.cut.pro/api/v1";
const headers = { "X-Api-Key": process.env.CUTPRO_API_KEY, "Content-Type": "application/json" };

const body = {
	model: "kling/kling-4-flash",
	prompt: "a dog surfing at sunset",
	seconds: 5,
	resolution: "720p",
	aspect_ratio: "9:16",
};
const quote = await fetch(`${api}/generations/quote`, { method: "POST", headers, body: JSON.stringify(body) }).then((res) => res.json());

let generation = await fetch(`${api}/generations?wait=60`, {
	method: "POST",
	headers: { ...headers, "Idempotency-Key": crypto.randomUUID() },
	body: JSON.stringify({ ...body, credits: quote.credits }),
}).then((res) => res.json());

while (generation.status === "processing") {
	generation = await fetch(`${api}/generations/${generation.id}?wait=60`, { headers }).then((res) => res.json());
}

console.log(generation.output?.url ?? generation.error_code);

import os, uuid, requests

API = "https://api.cut.pro/api/v1"
headers = {"X-Api-Key": os.environ["CUTPRO_API_KEY"]}

body = {
    "model": "kling/kling-4-flash",
    "prompt": "a dog surfing at sunset",
    "seconds": 5,
    "resolution": "720p",
    "aspect_ratio": "9:16",
}
quote = requests.post(f"{API}/generations/quote", json=body, headers=headers).json()

generation = requests.post(
    f"{API}/generations",
    params={"wait": 60},
    json={**body, "credits": quote["credits"]},
    headers={**headers, "Idempotency-Key": str(uuid.uuid4())},
).json()

while generation["status"] == "processing":
    generation = requests.get(f"{API}/generations/{generation['id']}", params={"wait": 60}, headers=headers).json()

print(generation["output"]["url"] if generation["status"] == "ready" else generation["error_code"])