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Fiverr Pro
English
$
USD
I will do API intergration and development, fix API and connect third party api service
Rehman Tech Eng
About this gig
Whether you need API integration, fixes for existing APIs, or automation for your web or mobile application, you have reached the right gig!
I can build a solution according to your requirements and expectations.
I help businesses develop clean, scalable, and production-ready API integrations, connect applications with third-party APIs, and automate business workflows.
What I Can Help With:
Custom API development and integration
Workflow integration and automation
CMS, CRM, E-commerce, and business APIs
Payment Gateway API Integration:
- Card payments
- Crypto payments
- Card-to-Crypto and On-Ramp integrations
AI Integration:
- OpenAI
- Google Gemini
- Anthropic
- Hugging Face APIs
- etc
Communication API Integration:
- Twilio
- SendGrid
- Mailgun
- WhatsApp Business Platform
Social Media API Integration:
- YouTube Data API
- Meta Graph API
- LinkedIn APIs
- X API
- TikTok API
Additional Services:
- Database synchronization
- API debugging and migration
- API automation and testing
- API optimization
- Source code and deployment
- Post-delivery support
Please contact me before placing an order so I can review your API platform, requirements, and integration scope.
Get to know Rehman Tech Eng
Rehman Tech Eng
Full Stack Web Developer Creating Fast, Modern Website for Businesses and Brands
- FromPakistan
- Member sinceAug 2026
- Avg. response time1 hour
Languages
Urdu, English, Hindi
Whether you need to fix any issue or bug in your existing website, add new features and functionality, improve your current web application, or build a complete web application from scratch, I'll help with the complete development process from start to finish according to your requirements.
I’m experienced & professional Full Stack Web Developer since July 2022. I will do custom website development, API integration, payment gateway integration, third-party services, bug fixing, building production-ready applications & much more
I can also handle hosting, deployment, server setup, and DevOps
FAQ
What types of APIs can you integrate?
I can integrate a wide range of APIs, including custom REST APIs, third-party APIs, and other api services. Payment API experience includes Stripe, PayPal, Payoneer, Mollie & more. For crypto & Web3 integrations, I can work with NOWPayments, BTCPay Server, Crossmint, PayRam, on-ramp card-to-crypto
Can you work with APIs that are not listed in your gig?
Yeah, I can work with most APIs as long as the platform provides proper API documentation, required access, and credentials. Please contact me with the API name or documentation, and I will review it before we start.
What do you need to get started?
To get started, I need: API platform name API keys/required credentials Your Clear requirements Website or application source code Hosting/server access if deployment/server-side configuration is required Please share credentials securely and avoid sending sensitive production keys publicly.
Which technologies do you work with?
I work with a wide range of modern web technologies, including: Laravel, PHP, React.js, Next.js, Node.js, MERN Stack, MEAN Stack, JavaScript, and other related technologies. I can integrate APIs into both existing web applications and newly developed systems as well.
Why should I contact you before placing an order?
Every API integration is different. The complexity depends on the API provider, authentication, required features, your web application, and server environment. So contact before order so I review & understand your requirements & recommend the correct package, budget, and solution for your project
Will you help if something breaks later?
Yes. I can provide support after delivery if you experience an issue related to the integration I completed. If the issue is caused by changes to the third-party API, your website, server, credentials, or new requirements, I can also review it and provide an appropriate solution.
