The terms prohibit use of the API for illegal activity, IP infringement, generation of harmful or deceptive content, and actions that could impair Perplexity's infrastructure. Violation of these restrictions may trigger suspension or termination under the unilateral termination clause.
This analysis describes what Perplexity AI's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
This provision establishes the operational boundaries for permissible API use and defines the conduct categories that may trigger enforcement action, including access suspension or termination. The prohibition on harmful content generation and deceptive practices is relevant to developers building consumer-facing applications powered by the API.
Interpretive note: The term 'objectionable' in the acceptable use restrictions is not defined, creating interpretive ambiguity regarding the scope of enforcement discretion Perplexity retains.
Removed competitive use restriction and high-risk application safeguard requirement, but added explicit prohibitions on deceptive practices, misinformation, and infrastructure abuse, shifting focus from competitive harm to content quality and infrastructure protection.
View full change record →Under this clause, developers are contractually prohibited from using the API to generate harmful, abusive, or deceptive content, and from using the API in ways that violate applicable law. Violations of these restrictions are grounds for termination of API access under the agreement.
How other platforms handle this
You may not use our Services for any illegal purpose or in violation of any laws or regulations. You may not use the Services to send money to sanctioned countries or individuals on government watchlists. You may not use the Services for gambling, illegal drugs, weapons, or any other prohibited acti...
You agree not to post, upload, publish, submit or transmit any content that: (i) infringes, misappropriates or violates a third party's patent, copyright, trademark, trade secret, moral rights or other intellectual property rights, or rights of publicity or privacy; (ii) violates, or encourages any ...
Customer agrees to comply with HubSpot's Acceptable Use Policy, which is incorporated into this Agreement by reference. HubSpot may update the Acceptable Use Policy from time to time, and any changes will be effective upon posting to HubSpot's website. Customer's continued use of the Services follow...
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"You may not use the API to: (i) violate any applicable law or regulation; (ii) infringe the intellectual property rights of any third party; (iii) generate content that is harmful, abusive, harassing, defamatory, obscene, or otherwise objectionable; (iv) engage in deceptive practices or misinformation; or (v) use the Services in a manner that could damage, disable, overburden, or impair Perplexity's infrastructure.— Excerpt from Perplexity AI's Perplexity API Terms of Service
(1) REGULATORY LANDSCAPE: The prohibition on deceptive practices engages FTC Act Section 5 obligations, particularly for consumer-facing AI applications. The prohibition on IP infringement intersects with copyright law considerations relevant to AI-generated content. EU AI Act prohibited practices provisions may also apply to certain high-risk use cases. The prohibition on harmful content generation is relevant to COPPA compliance where minors may interact with API-powered applications. (2) GOVERNANCE EXPOSURE: Medium. The breadth of restricted categories, particularly 'objectionable' content, gives Perplexity discretion to enforce restrictions beyond clearly defined legal prohibitions. This discretionary scope means enforcement criteria may not be fully predictable for developers. (3) JURISDICTION FLAGS: The prohibition on violating 'applicable law or regulation' creates jurisdiction-dependent obligations, as legal standards for harmful content, privacy, and AI outputs vary significantly across the EU, UK, US, and other markets. (4) CONTRACT AND VENDOR IMPLICATIONS: Developers should ensure their own terms of service and content moderation policies are consistent with these restrictions to avoid downstream liability. B2B deployments where API outputs are incorporated into enterprise workflows should assess the content restriction scope against their use case. (5) COMPLIANCE CONSIDERATIONS: Developers building consumer-facing applications should implement content filtering and review mechanisms to ensure API outputs are screened for compliance with these restrictions. Legal teams should monitor how Perplexity defines and enforces 'objectionable' content over time.
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This provision establishes the operational boundaries for permissible API use and defines the conduct categories that may trigger enforcement action, including access suspension or termination. The prohibition on harmful content generation and deceptive practices is relevant to developers building consumer-facing applications powered by the API.
Under this clause, developers are contractually prohibited from using the API to generate harmful, abusive, or deceptive content, and from using the API in ways that violate applicable law. Violations of these restrictions are grounds for termination of API access under the agreement.
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