Featured models
Sonnet 4
GPT-4.1
Gemini 2.5
USAi API benefits
Tailor to your needs
Integrate AI capabilities directly into existing tools and systems so you can streamline workflows and automate tasks.
Secure and private
Provides access to leading AI models hosted in secure FedRAMP authorized environments, which means you can leverage the best AI technology with confidence in its security.
Leverage complex data sets
Analyze complex data sets to accelerate work, provide valuable insights, and support data-driven decision-making.
One API for many models
Built on the industry-standard OpenAI specification, USAi API provides a stable, single point of access to a variety of AI models, empowering agencies to select the best model for any task based on capability, cost, and speed without being locked into a single provider’s platform.
Extensible and scalable
Provides a flexible foundation to build custom AI tools, from chatbots to data pipelines, tailored to your agency’s user and infrastructure needs.
Robust documentation
Includes documentation and example code to make building with APIs more approachable and allow teams to reduce development time and effort.