I will do third party API integration, API development, fixing

O
oliviamary2459
O
oliviamary2459
oliviamary
do third party API integration, API development, fixing
Full Screen
do third party API integration, API development, fixing

About this gig

Hi there!!

I provide REST API integration, third-party API integration, custom API development, webhooks, API troubleshooting, and data synchronization for websites, web apps, and mobile applications.


API Expertise:

  • CRM: Zoho, Close, Freshsales, FollowUpBoss, Sugar, ServiceTitan, Keap, GoHighLevel, HubSpot, Encompass LOS, Invest Next
  • Payments: Stripe, PayPal, Authorize.net, NMI, Currency Exchange & Bitcoin APIs
  • E-commerce: Shopify, WooCommerce, BigCommerce
  • Marketing & Automation: Zapier, ActiveCampaign, Mailchimp, SendGrid, GetResponse, Seamless.AI
  • Other: WordPress, Zoom, Imgur, Pixabay, SMS, Courier & Shipping APIs


I also work with custom REST/JSON/XML APIs, API authentication, webhooks, database synchronization, and fixing existing API integrations.

Have an API integration or custom API requirement?


Send me a message with your requirements before placing an order, and let's discuss your project.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Programming language

    • JavaScript

  • Frontend framework

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

  • Backend framework

    • Laravel
    • Express.js
    • FastAPI
    • Next.js
    • Node.js

Get to know oliviamary

oliviamary

Full Stack Web Mobile App Developer, IOS, Android APP, JavaScript

  • FromFrance
  • Member sinceJun 2026
  • Avg. response time1 hour

  • Languages

    English, French, Italian, German
Welcome to my profile! I'm here to help turn your ideas into professional websites and mobile apps that fit your business needs. I offer custom website development and iOS/Android app development with responsive designs, smooth performance, and user-friendly experiences. Whether you need a business website, eCommerce store, booking platform, social app, food delivery app, or another custom solution, I'm ready to help bring your project to life. Thank you for stopping by. Feel free to send me a message I look forward to discussing your project! Thanks you !!

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