You will get ChatGPT Integration done by ChatGPT Programming Expert
Top Rated
Top Rated
Project details
I aim to provide an open and user-friendly API integration service for ChatGPT, a large language model developed by OpenAI. The service will allow developers and businesses to easily integrate ChatGPT's powerful natural language processing capabilities into their own applications and services.
Being an expert API integration, this is one of my key skills.
The API integration service will be designed to be simple to use and achieve the necessary goal. Such jobs are customizable and extendable so we need to be sure in examining the amount of time and effort involved in the project.
Let's connect via chat or call and take one step closer to achieving our goal.
Being an expert API integration, this is one of my key skills.
The API integration service will be designed to be simple to use and achieve the necessary goal. Such jobs are customizable and extendable so we need to be sure in examining the amount of time and effort involved in the project.
Let's connect via chat or call and take one step closer to achieving our goal.
Programming Languages
PHP, JavaScript, TypeScriptCoding Expertise
PSD to HTML, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$99
|
Standard
$499
|
Advanced
$999
|
|---|---|---|---|
| Delivery Time | 3 days | 6 days | 12 days |
Number of Revisions | 1 | 3 | 9 |
Number of Pages Mined/Scraped | 1 | 3 | 7 |
Number of Sources Mined/Scraped | 1 | 2 | 4 |
Install Script | |||
Test Script | |||
Task Automation | - |
268 reviews
(240)
(16)
(4)
(6)
(2)
JB
Jim B.
Jan 4, 2024
Great job! Will use Rajneesh again!
DS
David S.
Jul 4, 2026
WordPress Developer – Boutique Vacation Rental Website (Direct Booking)
MS
Muge S.
Jun 26, 2026
Long-term Website Maintenance and Development
FM
Fernando M.
May 29, 2026
Hostaway + MIRA
Hi, I worked with Rajneesh from Bolder Technologies on our Hostaway API integration project. He helped us with calendar sync, quote generation, add-ons, coupons, and a custom checkout system integration.
The project had some complex requirements, but he handled everything smoothly and was very responsive throughout the process. Communication was easy, and the final system worked exactly as we needed.
I’d definitely recommend him for custom API integrations and booking website development.
The project had some complex requirements, but he handled everything smoothly and was very responsive throughout the process. Communication was easy, and the final system worked exactly as we needed.
I’d definitely recommend him for custom API integrations and booking website development.
MS
Muge S.
May 20, 2026
Long-term Website Maintenance and Development
Rajneesh is doing a great job with our website maintenance. He is reliable, communicative, and skilled. We are only closing this contract because we are moving him to a new one with expanded responsibilities and after-hours support.
JE
Jomar E.
May 5, 2026
Wordpress Template Upload
He was amazing and has been very reliable for many projects.
About Rajneesh
WordPress | SAAS & Booking Websites | WOO | Stripe | API Integration
100%
Job Success
Chandigarh, India - 6:41 am local time
Hi, I’m Rajneesh — a Top-Rated Full-Stack Developer with 12+ years of experience and a 100% Job Success Score on Upwork.
I help rental operators, SaaS founders, and service-based businesses streamline bookings, automate workflows, and integrate powerful APIs using WordPress, WooCommerce, and custom tech stacks.
🔧 What I Deliver:
✅ Custom Booking & Rental Platforms
Dynamic booking websites for hotels, rentals, experiences, and services
OTA calendar sync (Airbnb, VRBO, Booking.com), real-time availability, multi-vendor setups
Guest automation: emails, invoices, upsells, service add-ons, and more
✅ WooCommerce + Stripe Expertise
Custom WooCommerce flows with Stripe, PayPal, and Razorpay integrations
Secure checkout pages, payment subscriptions, and instant webhooks
Multi-currency support, add-on plugins, and mobile-friendly UX
✅ SaaS App Development
Member dashboards, subscription systems, tiered access, and analytics
REST API integrations (PMS, CRM, payment, communication)
Built with scalability and monetization in mind
✅ WordPress as a Scalable Platform
Custom plugins and themes tailored to business needs
Advanced admin dashboards, booking management, and reporting
Lightweight, fast, and secure solutions — no bloated code
✅ API Integrations that Work
Stripe, Twilio, SendGrid, Zoho, Pipedrive, Google APIs
Real-time syncing between platforms
Booking engines, CRMs, and third-party vendor systems
💡 Why Clients Keep Coming Back:
I build clean, modular, scalable systems — not just quick fixes
I focus on business outcomes, not just code
I stay communicative, accountable, and solution-oriented
I offer hands-on post-launch support, updates, and iterations
Whether you're launching a new rental site, integrating Stripe into your platform, or building a full SaaS app — I’ll help you get it done right.
📩 Let’s talk if you need someone who gets both the tech and the business side.
— Rajneesh
Steps for completing your project
After purchasing the project, send requirements so Rajneesh can start the project.
Delivery time starts when Rajneesh receives requirements from you.
Rajneesh works on your project following the steps below.
Revisions may occur after the delivery date.
Understanding API needs
Going through needs to analyse better time and cost.
Integration begins
Integrating and taking feedback for revisions.