Models / Video / Kling

Kling 2.1 Pro API

Kling 2.1 Pro API through UplinkSwitch: $0.3438 to $0.6875 per generation, prepaid, no subscription. Kling's video model on one key with every other model; a generation that fails is not charged.

kling-2.1-proVideoper generation

Price · per generation, USD

SettingsUplinkSwitch
duration 5$0.3438
duration 10$0.6875
Charged when the request is accepted; refunded in full if the generation fails.

Call it · POST /v1/generations

curl
curl https://api.uplinkswitch.com/v1/generations \
  -H "Authorization: Bearer $UPLINK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "kling-2.1-pro",
  "input": {
    "prompt": "A red paper boat on a calm blue pond, morning light",
    "start_image_url": "A red paper boat on a calm blue pond, morning light"
  }
}'

# then poll until "status" is "succeeded":
curl https://api.uplinkswitch.com/v1/generations/gen_... -H "Authorization: Bearer $UPLINK_API_KEY"

Settings · in input

NameTypeValuesDefault
prompt requiredstring——
durationinteger5, 105
start_image_url requiredstring——
end_image_urlstring——
negative_promptstring——

Questions

How much does the Kling 2.1 Pro API cost?
From $0.3438 per generation. The price depends on the settings in the table and is fixed when the request is accepted.
Is there a subscription?
No. You add credit and each request is paid from it. There is no monthly fee and no minimum per request.
What happens if a generation fails?
It is refunded in full, automatically. You pay only for files you receive.
How long are the files kept?
Thirty days, at a URL on api.uplinkswitch.com. Download what you want to keep.
Can I use the same key for other models?
Yes. The same key calls every image, video, speech and 3D model and every chat model in the catalog.
Kling 2.1 Pro API: from $0.3438 per generation | UplinkSwitch