What should I know about copyright indemnity?

Anthropic now provides expanded copyright indemnity, protecting clients against claims related to outputs generated with our API and assuming responsibility for approved settlements or judgments.

Do I retain ownership of my API outputs?

Yes, all customers generating content through the Anthropic API retain complete ownership of their outputs, ensuring autonomy over their creations.

What confidentiality guarantees are offered to commercial users?

Commercial users, including API and enterprise clients, enjoy enhanced confidentiality guarantees, ensuring that your data is handled with the highest level of secrecy and compliance.

AI Tool

Anthropic API Terms of Service

Comprehensive Guidelines for API Users

shipped Nov 20, 2025pricing & licensingpaid

Pricing & LicensingLicensing PostureAPI Terms

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Why it matters

1Protect your creations with expanded copyright indemnity.

2Retain full ownership of your outputs generated through our API.

3Enjoy enhanced confidentiality guarantees exclusive to commercial users.

Specs

API Available

Yes, public API

overview

API Terms Overview

Our API Terms of Service outline key restrictions, throttles, and rights regarding the termination of service. Understanding these terms is crucial for leveraging the full potential of the Anthropic API while ensuring compliance.

features

Expanded Protections and Ownership Rights

With our updated terms, customers are now protected from copyright infringement claims thanks to our expanded indemnity feature. Additionally, users maintain ownership of all outputs created through the API, supporting your business growth and innovation.

Stronger copyright protections against infringement claims.
Clear ownership rights for all API-generated content.
Designed to support businesses and developers alike.

insights

Enhanced Developer Experience

The introduction of the beta Messages API facilitates a more efficient and robust way to construct prompts, minimizing errors. This tool is tailored for developers aiming for seamless integration in their applications.

Improved prompt construction with the Messages API.
Upcoming features like function calling for better integrations.
Focus on reducing user errors and enhancing workflow.

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