I will fix API integration bugs, errors, and backend connection issues

D
donai09
D
donai09
Donai
fix API integration bugs, errors, and backend connection issues
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fix API integration bugs, errors, and backend connection issues

About this gig

Are you facing API errors, failed requests, authentication issues, webhook failures, or backend integration problems?


I will diagnose and fix API integration bugs to ensure your application communicates properly with third-party services, databases, payment gateways, and backend systems.


Whether you're working with a web app, mobile app, SaaS platform, AI application, or automation workflow, I can quickly identify the root cause and implement a reliable solution.


What I can fix:


  1.  API integration errors
  2.  REST API debugging
  3.  Authentication & authorization issues
  4.  Webhook failures
  5.  API response errors
  6.  Backend connection problems
  7.  Supabase & Firebase API issues
  8.  Third-party API integrations
  9.  Payment API issues (Stripe, PayPal)
  10.  Data synchronization problems


Why choose me?


  1.  Fast troubleshooting
  2.  Clear communication
  3.  Clean and scalable fixes
  4.  Modern backend expertise
  5.  Reliable testing before delivery


Message me before ordering and I'll review the issue to recommend the best solution

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Operating systems
    • Databases

  • Frontend framework

    • Angular
    • Next.js
    • React.js

  • Backend framework

    • Next.js
    • Node.js

  • AI & low/no code builders

    • Lovable
    • Bolt.new
    • Firebase Studio
    • Base44
    • Co.dev
    • Cursor
    • Softgen
    • Replit
    • Bubble
    • FlutterFlow
    • Adalo
    • OutSystems
    • Mendix
    • Webflow
    • Retool
    • Glide
    • Thunkable
    • AppGyver
    • Zoho Creator
    • Clutch.io
    • Wappler
    • Stacker
    • Softr
    • Ninox
    • Betty Blocks
    • V.One
    • UI Bakery
    • Backendless

Get to know Donai

Donai

AI Automation and Workflow Developer

  • FromNigeria
  • Member sinceMay 2026

  • Languages

    English, German, Spanish
I help businesses automate repetitive tasks, streamline operations, and build custom AI-powered workflows. My expertise includes AI automation, chatbot development, API integrations, workflow systems, Supabase, Firebase, and business process automation. I build reliable solutions that connect your tools, reduce manual work, and improve efficiency. Whether you need an AI assistant, automation dashboard, backend integration, or custom workflow, I focus on delivering scalable, practical solutions that help your business save time and grow faster.

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