Model terms / Kuaishou / Kling 2.1 Master

Kuaishou · Hedra

Can I use Kling 2.1 Master via Hedra commercially?

not answered by the documents on record

The documents on record for Kling 2.1 Master via Hedra do not answer whether commercial use is allowed. 6 of 10 usage questions have an answer below.

Terms as read on 2026-10-21. Service you used: via Hedra (proxied).

Two sets of terms apply when you use Kling 2.1 Master through Hedra. Hedra terms govern your contract; Kuaishou terms (model provider) govern what happens to your data. Each answer below says which one it comes from. Where both speak and disagree, the more protective reading is shown and the other is noted.
QuestionAnswerAccording toRead on
Commercial usenot on record --
Where outputs may be usednot on record --
Trains on your inputsNo Kuaishou terms (model provider) kling.ai2026-10-21
"Terms of API Paid Service s5.1: 'We will not use, or authorize any person or entity to use, your data to train, retrain, or otherwise improve the Services or any other product or service, including but not limited to machine learning, artificial intelligence, algorithm development, or model training.' s5.5: 'Kling doesn't use your prompts (including associated system instructions, cached content, and files such as images, videos, or documents) or responses to improve our products, and will process your prompts and responses in accordance as a Data Processor.' Note: 'Kling logs prompts and responses for thirty (30) days.'"
Trains on your promptsNo Kuaishou terms (model provider) kling.ai2026-10-21
"Terms of API Paid Service s5.1: 'We will not use, or authorize any person or entity to use, your data to train, retrain, or otherwise improve the Services or any other product or service, including but not limited to machine learning, artificial intelligence, algorithm development, or model training.' s5.5: 'Kling doesn't use your prompts (including associated system instructions, cached content, and files such as images, videos, or documents) or responses to improve our products, and will process your prompts and responses in accordance as a Data Processor.' Note: 'Kling logs prompts and responses for thirty (30) days.'"
Trains on your outputsNo Kuaishou terms (model provider) kling.ai2026-10-21
"Responses are covered by s5.5. Terms of API Paid Service s5.1: 'We will not use, or authorize any person or entity to use, your data to train, retrain, or otherwise improve the Services or any other product or service, including but not limited to machine learning, artificial intelligence, algorithm development, or model training.' s5.5: 'Kling doesn't use your prompts (including associated system instructions, cached content, and files such as images, videos, or documents) or responses to improve our products, and will process your prompts and responses in accordance as a Data Processor.' Note: 'Kling logs prompts and responses for thirty (30) days.'"
Output ownershipVaries Kuaishou terms (model provider) kling.ai2026-10-21
"Terms of API Paid Service s6.3: 'Unless otherwise agreed or otherwise provided by laws and regulations, if you have legal intellectual property rights to the content you upload/input, the intellectual property rights of the AI-generated content still belong to you.' Conditional on IP in the input; whether IP exists at all is left to applicable law."
Copyright indemnityNo Kuaishou terms (model provider) kling.ai2026-10-21
"Terms of API Paid Service s6.5: 'If any third party files a lawsuit or claims against the other party for infringement of its intellectual property rights and other legitimate rights and interests, the responsible party shall compensate the other party for its direct economic losses (... within the scope of fault).' A mutual fault-based clause, not a Kling indemnity for outputs; s6.4 puts output infringement risk on you and your downstream customers."
Marking applied by the modelYes documentation, not contract Kuaishou terms (model provider) kling.ai2026-10-21
"AI Content Detection page: 'An imperceptible watermark and metadata are embedded in images and videos, remaining traceable through compression, editing, and resharing.' 'Aligned with open content-provenance standards (e.g. C2PA) to support source attribution and authenticity checks.' A capability statement from a consumer-facing page: API coverage is unverified pending a c2patool test on a Kling output made through fal, Magnific or Higgsfield; manifest presence is a per-file scan fact. Whether the s4.5 brand-labelling duty reaches API customers is an open question with Kling."
Disclosure duty on younot on record --
Training data disclosednot on record --

Sources

Kling 2.1 Master on other services

  • Kling Yes on Enterprise, Premier, Pro, Standard, Team and Ultra; No on Free
  • fal not answered by the documents on record
  • Magnific Yes on Business, Essential, Premium, Premium+, Pro and Pro Starter; No on Free
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This page reproduces what the linked documents said on the dates shown. It is a record, not legal advice, and not a warranty of the providers' terms. Documents change; read the source before relying on it.