I will fix API integration rest API graphql stripe paypal oauth jwt webhook automation

R
rosellablack
R
rosellablack
Rosella Black
fix API integration rest API graphql stripe paypal oauth jwt webhook automation
fix API integration rest API graphql stripe paypal oauth jwt webhook automation
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fix API integration rest API graphql stripe paypal oauth jwt webhook automationfix API integration rest API graphql stripe paypal oauth jwt webhook automationfix API integration rest API graphql stripe paypal oauth jwt webhook automationfix API integration rest API graphql stripe paypal oauth jwt webhook automation

About this gig

Are you struggling with API integration, payment systems, or backend connectivity?


I help businesses integrate REST API, GraphQL API, Stripe API, PayPal API, and third-party APIs to create smooth, secure, and scalable systems.

Whether it's fixing webhook issues, setting up OAuth API, or implementing JWT authentication,

I deliver solutions that work reliably.

Services Offered:

  • API integration (REST API, GraphQL API)
  • Stripe API & PayPal API setup
  • Webhook automation & debugging
  • OAuth API & JWT authentication
  • Third-party API integration
  • Backend API development

Why Choose Me:

  • Clean, scalable, and secure solutions
  • Fast delivery & reliable communication
  • Experience working with startups & businesses
  • Focus on performance and long-term stability


Let's get your API working perfectly... Contact me before placing an order.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Databases
    • Source control

  • Programming language

    • JavaScript

  • Frontend framework

    • Bootstrap
    • Next.js
    • Nuxt.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • FastAPI
    • NestJS
    • Next.js
    • Node.js

Get to know Rosella Black

Rosella Black

Software developer

  • FromUnited Kingdom
  • Member sinceApr 2026
  • Avg. response time1 hour

  • Languages

    English, Spanish
I help businesses, startups, and entrepreneurs solve complex API integration challenges and build scalable backend systems. From REST API, GraphQL API, Stripe API, PayPal API, to OAuth, JWT authentication, and webhook automation, I deliver clean, reliable, and secure solutions. Whether you need third-party API integration or custom backend API development, I ensure smooth performance and clear communication throughout. Let’s turn your idea into a working system... message me before placing an order.

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