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Fiverr Pro
English
$
USD
I will integrate firebase, apis, and billing in flutter app
About this Gig
Need Firebase, API, FCM, or Google Play Billing added to your Flutter app?
I can help connect your Flutter app to the systems behind it: authentication, database, push notifications, REST APIs, Google Sign-In, and Google Play Billing.
I can help with:
- Firebase project setup
- Firebase Auth login/signup
- Google Sign-In
- Firestore database integration
- Firebase Cloud Messaging / push notifications
- REST API integration
- Google Play Billing / subscriptions
- Crashlytics and Analytics setup
- Android package name, SHA, and config issues
- Fixing broken Firebase or billing setup
Relevant work:
- Built Orderly with Firebase, local database, licensing, and Google Play Billing
- Built BetterTrade with Firebase Auth, Firestore, Analytics, Crashlytics, and App Check
- Worked on production fintech, POS, and business apps with real users
How I work:
- Review your current app and setup
- Confirm the integration flow
- Add or fix the required setup
- Test the affected flow
- Explain what changed
Please message me before ordering so I can check your current app state and suggest the right package.
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Other Mobile App Maintenance Services I Offer
FAQ
What integrations can you add?
I can add Firebase Auth, Firestore, FCM, REST APIs, Google Sign-In, Google Play Billing, and basic backend-connected app flows.
What do you need to start?
I need your Flutter project, Firebase/API details, expected app flow, screenshots/designs if available, and access/config files after order starts.
Can you set up Firebase from scratch?
Yes. I can connect Firebase to your Flutter app and set up basic services depending on the package.
Can you add login and signup?
Yes. I can add Firebase Auth login/signup, Google Sign-In, and basic user data flow.
Can you add push notifications?
Yes. I can integrate Firebase Cloud Messaging for Android and iOS depending on your app setup.
Can you integrate Google Play Billing?
Yes. I can integrate or fix Google Play Billing flows for one-time purchases or subscriptions.
Can you connect my app to an API?
Yes. I can connect REST APIs, handle requests/responses, and display the data in the app.
Do you create the API/backend?
This gig mainly covers integration. Simple Firebase/backend setup is possible, but custom backend development needs a custom offer.
Do you test the integration?
Yes. I test the affected flow and make sure the integration works based on the agreed scope.
Is setup documentation included?
A short setup note can be included depending on the package or added as an extra.
