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- Sign in at replit.com and open the project you want to add OpenAI to, or click + Create Something New to start a fresh one.
- In the Agent prompt field, describe what you want to build and mention OpenAI directly - for example: Build a client briefing tool for NEPS Corp that takes a project name and returns a short AI-generated summary using OpenAI. Click the Arrow button to run.
- The Agent generates your project files and wires up the OpenAI connection. Wait for the build to complete.
- Click Run to launch your app. Test it in the Webview tab - for example, enter "Q3 Budget Review" as the project name and confirm the AI-generated summary appears correctly.
- To swap to your own API key at any time, open the Secrets pane from the Tools menu, add a secret named OPENAI_API_KEY, and paste your OpenAI key as the value. The Agent will use your key instead of Replit-managed credentials going forward.
How to Integrate Replit with OpenAI
Use this interactive demo to learn how to integrate Replit with OpenAI. This tutorial shows how to connect OpenAI to a Replit project using Replit's built-in AI integration, so you can build AI-powered features without leaving your workspace.
📌 Why this matters
Why this matters
This integration lets you prototype and deploy AI-powered applications without juggling multiple platforms or wrestling with API authentication. You can go from idea to working demo in minutes, then seamlessly transition to production using your own credentials when ready. The real advantage is that Replit's managed approach eliminates the usual friction of setting up development environments and handling secrets, so you can focus entirely on building features rather than configuration. It's particularly valuable for rapid experimentation and client presentations.
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