Bolt
auth
OAuth2 Provider Not Configured - Missing Client ID
Your OAuth2 provider (Google, GitHub, Facebook) authentication fails immediately with cryptic errors. The login redirect works but authorization fails.
Common signs: blank page on OAuth callback, 'client_id not found' in browser console, or authentication loops indefinitely.
Error Messages You Might See
Error: client_id is undefined
AuthenticationError: OAuth provider returned invalid_request
401 Unauthorized: Missing authentication credentials
Common Causes
- Environment variable for OAuth client ID is undefined or mistyped
- Redirect URI registered with provider doesn't match application URI
- OAuth credentials copied incorrectly from provider dashboard
- Mixed up client ID and client secret values
- Development vs production configuration mismatch
How to Fix It
Verify environment variables are loaded: console.log(process.env.NEXT_PUBLIC_OAUTH_CLIENT_ID)
Check OAuth provider dashboard (Google Cloud Console, GitHub Settings) - ensure 'Authorized redirect URIs' includes your Bolt app URL.
Validate the redirect URI format matches exactly: https://your-app.bolt.new/api/auth/callback
Real developers can help you.
Jared Hasson
Full time lead founding dev at a cyber security saas startup, with 10 yoe and a bachelor's in CS. Building & debugging software products is what I've spent my time on for forever
Milan Surelia
Milan Surelia is a Mobile App Developer with 5+ years of experience crafting scalable, cross-platform apps at 7Span and Meticha. At 7Span, he engineers feature-rich Flutter apps with smooth performance and modern UI. As the Co-Founder of Meticha, he builds open-source tools and developer-focused products that solve real-world problems.
Expertise:
💡 Developing cross-platform apps using Flutter, Dart, and Jetpack Compose for Android, iOS, and Web.
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🎯 Revamped the Vepaar app into Vepaar Store & CRM with a 2x performance boost and smoother UX.
🚀 Launched Compose101 — a Jetpack Compose starter kit to speed up Android development.
🌟 Open source contributions on Github & StackOverflow for Flutter & Dart
🎖️ Worked on improving app performance and user experience with smart solutions.
Milan is always happy to connect, work on new ideas, and explore the latest in technology.
MFox
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Matthew Butler
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As an INFJ-T, I approach development with a "systems-thinking" mindset—balancing technical precision with a deep understanding of user needs. I particularly enjoy the challenge of architecting Vertical AI SaaS and optimizing Small Language Models (SLMs) to solve specific, real-world business problems. Whether I'm in a CTO-level leadership role or hands-on with the code, I thrive on building tools that turn complex data into actionable value.
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rayush33
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Victor Denisov
Developer
Sage Fulcher
Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them)
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Get HelpFrequently Asked Questions
Where do I find OAuth credentials?
Visit your OAuth provider's developer dashboard. For Google: console.cloud.google.com. For GitHub: github.com/settings/developers
What's the correct redirect URI format?
Use https://your-app-name.bolt.new/api/auth/callback for Bolt deployments
Can I test OAuth locally?
Yes, but use localhost:3000/api/auth/callback in your provider settings, then switch to production URI before deploying