OpenAI DevelopersCreate an OpenAI API key to use in this projectOpenAI DevelopersBuild an agent with the Agents APIOpenAI DevelopersHelp me diagnose an API error

Use OpenAI Developers to build AI applications and agents. Optimize your existing API integration with our latest models and best practices, and build multimodal experiences with voice and image models. Build agents with the Agents API and OpenAI-hosted sandboxes, and create voice agents with the new GPT Live bidirectional model. Get best practices to improve your prompts and diagnose API errors. Plan your DevDay with official event information and session guidance.