Common Issues general

Third-Party Integration Not Working (APIs, Webhooks, OAuth)

Your app integrates with a third-party service (Google, Stripe, Twilio, OpenAI, etc.) and the integration stopped working or never worked properly. API calls fail, webhooks don't fire, or OAuth login redirects go nowhere.

Common Causes

  • API keys expired, revoked, or not set in production
  • Webhook URL points to localhost or an old deployment URL
  • OAuth redirect URIs don't match the actual app URL
  • Rate limits hit — the API is blocking requests because you're making too many
  • API version changed and the integration code uses an outdated version

How to Fix It

  1. Check the third-party service's dashboard for error logs or failed requests
  2. Verify all API keys are current and set in your production environment
  3. Update webhook URLs to point to your production domain
  4. Check OAuth redirect URIs in the third-party service's settings
  5. Test the API calls directly (using Postman or curl) to isolate the issue

Real developers can help you.

Bastien Labelle Bastien Labelle Full stack dev w/ 20+ years of experience Luca Liberati Luca Liberati I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture Antriksh Narang Antriksh Narang 5 years+ Experienced Dev (Specially in Web Development), can help in python, javascript, react, next.js and full stack web dev technologies. Taufan Taufan I’m a product-focused engineer and tech leader who builds scalable systems and turns ideas into production-ready platforms. Over the past years, I’ve worked across startups and fast-moving teams, leading backend architecture, improving system reliability, and shipping products used by thousands of users. My strength is not just writing code — but connecting product vision, technical execution, and business impact. Sage Fulcher 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) Jen Jacobsen Jen Jacobsen I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses. I particularly enjoy building mobile apps, modern web platforms, and solving complex technical problems in a way that keeps systems clean, reliable, and easy to maintain. Stanislav Prigodich Stanislav Prigodich 15+ years building iOS and web apps at startups and enterprise companies. I want to use that experience to help builders ship real products - when something breaks, I'm here to fix it. ISHANTDEEP SINGH ISHANTDEEP SINGH Senior Software Engineer with 7+ years of experience in React, JavaScript, TypeScript, Next.js, and Node.js. I’ve also worked as a tech lead for startups, owning end-to-end technical execution including architecture, development, scaling, and delivery. I bring a strong mix of hands-on coding, product thinking, and technical leadership, and I’m comfortable building products from scratch as well as improving and scaling existing systems. Mehdi Ben Haddou Mehdi Ben Haddou - Founder of Chessigma (1M+ users) & many small projects - ex Founding Engineer @Uplane (YC F25) - ex Software Engineer @Amazon and @Booking.com Daniel Vázquez Daniel Vázquez Software Engineer with over 10 years of experience on Startups, Government, big tech industry & consulting.

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Frequently Asked Questions

The integration worked before. Why did it stop?

API keys might have expired, the service might have updated their API version, or your webhook URL might have changed after a redeployment.

Can a developer set up the integration properly?

Yes. A developer can debug the failing integration, update API configurations, and ensure everything is properly connected.

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