These Brand Usage Terms (“Terms”) govern the proper use of trademarks, logos, names, designs, and other brand elements (collectively, “Brand Assets”) owned by LangGenius, Inc. (“Dify,” “we,” “our,” or “us”). By using Dify Brand Assets, you agree to comply with these Terms.

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1. Permitted Uses (No Prior Approval Required)

You may use Dify Brand Assets without prior approval in the following cases, provided you adhere to the Dify Brand Guidelines:

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Community & Content Creation

  • In blog posts, articles, documentation, social media, forums, and presentations to reference or discuss Dify.
  • In open-source projects (e.g., GitHub repositories, README files, and code examples) to indicate integration or support for Dify, as long as it is clear that your project is not officially affiliated with or endorsed by Dify.
  • In YouTube videos, podcasts, and developer talks for educational or informational purposes.

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Open-Source Projects

  • You may display “Powered by Dify” in non-commercial open-source projects to acknowledge the use of Dify.
  • Linking to the official Dify website or GitHub repository is encouraged.

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Media & News Coverage

  • Journalists, bloggers, and media outlets may use Dify Brand Assets in news articles or reports, provided the content is factually accurate and does not imply endorsement or sponsorship by Dify.

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2. Restricted Uses (Approval Required)

The following uses require prior written approval from Dify:

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Commercial Use & Marketing

  • Resellers, partners, and SaaS platforms integrating Dify into commercial products or services.
  • Using Dify Brand Assets in advertisements, promotional materials, or sales collateral.
  • Using Dify Brand Assets in paid training, consulting, or courses that suggest official endorsement.

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Official Partnership & Endorsement

  • You may not use any Dify Brand Assets in a way that implies endorsement, certification, sponsorship, or partnership with Dify without explicit written authorization.
  • Dify Partner badges are exclusively available to officially contracted partners. Each badge tier (e.g., Partner, Preferred Partner, Elite Partner) requires separate written approval and may only be used by partners who have been expressly granted that specific designation. Unauthorized use of any badge, or use of a badge outside your approved tier, is strictly prohibited.

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Merchandise & Physical Goods

  • You may not use Dify Brand Assets on T-shirts, stickers, posters, or any merchandise without written permission.

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Modifications & Brand Combinations

  • You may not alter the Dify Logo, including changes to colors, fonts, proportions, or effects.
  • You may not combine the Dify Logo with other logos or symbols to create a new or composite mark.

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3. Brand Usage Guidelines

When using Dify Brand Assets, you must comply with our Brand Guidelines, which include:
  • Maintain logo integrity: Do not distort, stretch, or rotate the logo.
  • Use official logo versions: Do not use unofficial or outdated versions.
  • Provide sufficient spacing: Ensure clear visual separation around the logo.
  • Do not alter colors: The logo must be used in the official Dify color scheme.
  • “Dify” and all related logos and brand elements are trademarks or registered trademarks of LangGenius, Inc.
  • These Terms do not grant any ownership or licensing rights to you. Dify retains all rights to its Brand Assets.

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5. Misuse & Enforcement

  • Dify reserves the right to revoke usage rights at any time and may require you to cease using the Brand Assets if they are used improperly.
  • Unauthorized or misleading use of the Brand Assets may result in legal action.

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6. How to Request Permission?

If your use case requires approval (e.g., commercial use, partnerships, merchandising), please submit a request to: business@dify.ai Your request should include:
  • Your name / company name
  • A detailed description of how you intend to use the Dify Brand Assets
  • Relevant materials (e.g., mockups, website links)

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7. Reporting Brand Misuse

If you believe that Dify Brand Assets are being misused in violation of these Terms—such as unauthorized commercial use, misleading endorsements, or counterfeit merchandise—you may report it to us. To submit a report, contact brand@dify.ai with the following details:
  • A description of the issue (e.g., unauthorized commercial use, misleading branding, counterfeit products)
  • Relevant evidence (e.g., screenshots, links, documents)
  • Your contact information (optional, in case we need further details)
Dify will review all reports and take appropriate action as necessary, which may include legal enforcement or requiring the violating party to cease unauthorized use. We appreciate your support in protecting the Dify brand.

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8. Updates to These Terms

Dify may update these Brand Usage Terms periodically. Any changes will be published on this page, and by continuing to use the Brand Assets, you agree to the latest version. Latest Version: 2025/03/04
© LangGenius, Inc. All rights reserved. Unauthorized use of Dify Brand Assets is strictly prohibited.
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