AI video API · Kling

Kling 2.1 Standard API pricing per second

Generate video with Kling's Kling 2.1 Standard through the Cut.Pro API. You see the price before you generate and pay only for what you use.

  • Pay as you go, no subscription
  • 15 free credits on a new account
  • Free quote before every call
From$0.0798per secondR$0.27 · 5 credits5 seconds at 720p: $0.40Updated November 10, 2026

Pricing

Kling 2.1 Standard pricing by mode and resolution

ModeResolutionPrice per secondIn reaisCredits
First and last frame720p$0.0798R$0.275 credits
From an image720p$0.0798R$0.275 credits

Updated November 10, 2026. Prices use the cheapest credit pack: 1 credit costs $0.0179 (R$0.0599).

Limits

What Kling 2.1 Standard accepts in each request

Modes
First and last frame and From an image
Duration
5 or 10 seconds
Resolutions
720p
Reference images
up to 2

Code

How to call Kling 2.1 Standard free quote, generation and result

BODY='{"model":"kling/kling-2.1-standard","prompt":"a dog surfing at sunset","seconds":5,"resolution":"720p"}'

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")"
Read the docs

Questions

API questions before your first call

At 720p, each second costs $0.0798 and a minute comes to $4.79 (R$16.02, 268 credits). Each generation runs 5 or 10 seconds.
Create an account, generate an API key, and request a free quote. The smallest Kling 2.1 Standard generation costs 23 credits, more than the 15 free credits, so you can use them to try a lower-cost model in the catalog.
First and last frame: two images become the start and the end of the video. From an image: the image you send becomes the first frame.
No. Buy a credit pack by card, or in reais with Pix from Brazil, and spend it on Kling 2.1 Standard and every other model with the same key.
No. The Cut.Pro key calls Kling 2.1 Standard without a Kling account, with one balance for every model in the catalog.
Yes. With a CPF or CNPJ and full address in your billing details, the nota fiscal is issued after each payment is confirmed.

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Generate with Kling 2.1 Standard today

Create a key, get a free quote and pay only for what you generate.

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