I will build payment api, communication api, SMS, otp, location, delivery API

B
bulairumail
B
bulairumail
Bulair U
build payment api, communication api, SMS, otp, location, delivery API
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build payment api, communication api, SMS, otp, location, delivery API

About this gig

API Development Services

I build secure, scalable APIs for modern businesses:

  • Payment APIs (transactions, verification, webhooks)
  • Communication APIs (SMS, OTP, WhatsApp)
  • Location & Delivery APIs (tracking, routing, cost estimation)

Fast, reliable, and easy to integrate

Clean documentation (Postman/Swagger)

Ready for fintech, e-commerce, and logistics platforms



What Youll Get:

  • Fully functional API (hosted or deployable)
  • API documentation (Postman / Swagger)
  • Integration support
  • Testing and debugging



Whether you're building the next big fintech app or optimizing your delivery operations, Ill help you create APIs that are reliable, scalable, and ready for growth.

Lets discuss your project and bring your idea to life!

  • App type

    • Native

  • Programming language

    • Dart
    • Delphi (Object Pascal)
    • Java
    • Objective-C
    • TypeScript
    • React Native
    • Flutter

  • Frameworks

    • Flutter
    • Kivy
    • NativeScript
    • SwiftUI
    • Cordova
    • Node.js
    • React Native

  • Purpose

    • Chat
    • Streaming
    • Finance
    • Social networking
    • IoT
    • Travel
    • Crypto
    • Ecommerce
    • Trading
    • Wallet app

  • Tools

    • Android Studio
    • Xcode
    • Firebase
    • BuildFire
    • Visual Studio Code
    • Visual Studio
    • Supabase

  • Expertise

    • Data storage
    • Firebase
    • Release management
    • Instant App/App Clip
    • API integration
    • Compatibility

Get to know Bulair U

Bulair U
  • FromSpain
  • Member sinceMar 2025
  • Avg. response time1 hour

  • Languages

    English, Spanish, German
I am proficient in a wide range of programming languages and frameworks, including Swift, Kotlin, React Native, Flutter, and JavaScript. On the back-end, I work with Nodejs, Express, and databases such as MongoDB and MySQL, providing dynamic, data-driven solutions that power modern mobile apps. From designing elegant user interfaces to integrating complex APIs and cloud services, my goal is to deliver products that not only meet user needs but exceed their expectations. With a focus on continuous learning and adopting industry best practices, I stay ahead of emerging trends and evolving tech

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