
Closed
Posted
Paid on delivery
I need a clean, production-ready website that wraps around my GPT model with one clear goal: generate revenue. The build must include secure user authentication so visitors can create accounts, a payment gateway that lets me charge from day one, and usage analytics that track every prompt, credit, and conversion. You’ll connect the front-end to the OpenAI API, handle billing logic, and surface metrics that help me refine pricing and retention. I’m flexible on the exact stack—React, [login to view URL], Django, Laravel, whatever you’re fastest with—but the result has to be fast, responsive, and cloud-deployable. Deliverables • Responsive UI wired to the GPT endpoint • Auth system (email/social, password reset, roles) • Fully integrated payment gateway in live and sandbox modes • Usage analytics dashboard showing prompt counts, spend, and churn • Setup documentation and hand-off support Acceptance criteria: a new user can sign up, pay, send a prompt, receive the GPT response, and see their usage reflected in real time; I can review aggregate stats and process refunds or test transactions without touching the code. Show me links to similar SaaS or AI projects you’ve shipped, outline your proposed stack, and let’s get this earning.
Project ID: 40564394
211 proposals
Remote project
Active 1 day ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
211 freelancers are bidding on average £172 GBP for this job

Hi, I will build your GPT wrapper so a user can sign up, pay, and prompt within minutes of launch. The billing logic will track credits per prompt and block usage the moment a plan runs dry, so you never lose revenue to unpaid calls. On a similar SaaS build, wiring real-time credit deduction into the UI cut support tickets around "where did my credits go?" to nearly zero. I will apply the same pattern here. Questions: 1) Do you have a pricing model in mind (per-prompt credits, monthly subscription, or both)? 2) Which payment provider do you prefer (Stripe, Paddle, other)? Looking forward to talking through the details. Kamran
£22 GBP in 10 days
7.1
7.1

Dear Hiring Manager, Your requirement is clear—you need a production-ready AI SaaS platform with secure authentication, OpenAI integration, payment processing, real-time usage tracking, and an analytics dashboard designed to monetize your GPT model from day one. Implementation Approach: Develop a responsive web application with secure authentication, role-based access, and OpenAI API integration. Implement payment gateway integration, credit/billing logic, refunds, and real-time usage analytics. Deploy a scalable cloud-ready solution with complete documentation and post-delivery handover support. A few quick questions: Which payment gateway do you prefer (Stripe, PayPal, Paddle, etc.)? Will the GPT model use your existing OpenAI API key, or should the platform support multiple AI providers? Do you have a preferred cloud hosting platform for deployment? I have experience building scalable SaaS and AI-powered applications and would be happy to discuss the project in detail. Can we discuss the requirements and the best implementation approach? Best regards, Jitendra
£300 GBP in 5 days
6.6
6.6

Hi there, I can see the hidden goal here: not just a GPT wrapper, but a revenue engine with clean tracking from first login to first refund. I’ve built PHP/MySQL and Laravel-based SaaS flows with authentication, Stripe/PayPal billing, API integrations, and admin dashboards that make usage and conversion visible in real time. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. I’d likely recommend a stack I can move fast and reliably with, such as Laravel for auth/billing/analytics, a responsive React or Tailwind front end, and OpenAI API integration with event logging for prompts, credits, churn, and refunds. The build will be structured so a user can sign up, pay, prompt, and immediately see usage reflected while you review aggregate stats without touching code. If you’d like, I can map the billing logic, analytics events, and deployment flow first so there are no surprises later. Which payment provider and credit model do you want: subscription, pay-as-you-go, or prepaid credits with top-ups? Looking forward to your reply so we can finalize the exact plan. Thanks, Asad
£250 GBP in 10 days
6.2
6.2

Hello, I have carefully read your requirements, and it would be an honor to work with you on your GPT-powered SaaS platform. With 14 years of full-stack development experience, I can build a secure, scalable website with OpenAI API integration, user authentication, payment gateway, real-time usage analytics, and a responsive cloud-ready architecture. I'll recommend the best tech stack, develop the platform in phases, and provide complete documentation with smooth deployment and hand-off support. Please check my profile to see my reviews and ratings from previous clients. I focus on clean code, performance, security, and long-term scalability to help your platform generate revenue from day one. The budget and timeline for the project can be discussed further. Warm regards, Harpreet Singh
£70 GBP in 5 days
6.0
6.0

Hello It sounds like you need a polished, production-ready website that doesn’t just look good but actually functions reliably for your users. I specialize in building clean, high-performance web applications that prioritize stability and maintainable code. Having delivered similar projects recently, I focus on turning designs into seamless, bug-free experiences. Are you available for a brief call to discuss your specific technical requirements and timeline? I would love to get this project off the ground for you. Giáp Văn Hưng
£183 GBP in 7 days
5.4
5.4

Greetings, I'm a full stack developer with 10+ years of experience, I'd love to help build your production-ready AI SaaS platform. I can develop a fast, secure, and scalable website with user authentication, OpenAI API integration, subscription/payment processing, and a real-time analytics dashboard to track usage, credits, and revenue. My focus is on clean architecture, responsive UI, secure billing, and an easy-to-maintain codebase with complete documentation for a smooth handover. I'm ready to discuss the best tech stack for your goals and get started right away. Why work with me? ★ Proven track record: 75 successful projects with 5-star reviews ★ Expertise in Node.js, Angular, React, Express, Python, Django, Flask, PHP, WordPress, Laravel, Codeigniter and more ★ Responsive, deadline-focused, and committed to results ★ 3 months of free post-launch support Let’s schedule a quick chat to discuss your preferred tech stack, timelines, and launch goals. I’m confident I can bring your vision to life. Best regards, Samar H.
£135 GBP in 7 days
5.3
5.3

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify:Could you specify which payment gateway you prefer for integration? 1. Do you need this for mobile, web, or both? 2. Do you already have UI/UX designs or should we create them? 3. Will there be any third-party API or payment gateway integration? 4. What is your expected timeline for completion? 5. Are there any reference apps or websites you like? Let’s discuss over chat! Regards, Arpit Jaiswal
£250 GBP in 25 days
4.6
4.6

I SPECIALIZE IN BUILDING AI-POWERED SAAS PLATFORMS WITH SECURE PAYMENTS. I can build a scalable GPT-powered platform with secure authentication, OpenAI API integration, Stripe payments, real-time usage analytics, and a responsive dashboard. The solution will be production-ready, cloud-deployable, and easy to maintain. Do you already have your GPT model and OpenAI API configured, or should I handle the full integration?
£235 GBP in 7 days
4.9
4.9

Hello! We can build a revenue-focused SaaS website for your GPT product. 1. Do you already have the GPT model and OpenAI setup in place? 2. Should we prioritize launch-ready billing or the analytics dashboard first? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
£135 GBP in 7 days
5.1
5.1

Hello, I appreciate the opportunity to propose for your project to create a production-ready website around your GPT model. I understand your goal is to generate revenue through a clean, user-friendly interface that includes secure user authentication, a payment gateway, and robust usage analytics. With over five years of experience in full-stack development, I specialize in building responsive web applications using technologies like React and Node.js, which align perfectly with your requirements. My expertise in integrating APIs, implementing secure authentication systems, and developing payment solutions will ensure a smooth user experience from sign-up to transaction. To achieve your objectives, I propose the following approach: - Develop a responsive UI that connects seamlessly to the OpenAI API for prompt handling. - Implement a secure authentication system with options for email/social sign-in and password management. - Integrate a payment gateway that supports both live and sandbox modes for immediate billing. - Create a comprehensive analytics dashboard to track usage metrics in real time. I'm eager to discuss your project further and confident that I can deliver quality results that meet your timeline. Let’s connect soon to refine the details and get started on this exciting venture!
£20 GBP in 7 days
4.8
4.8

**DO NOT PAY ME UNTIL I COMPLETE! :)** Hello my valuable client :) My profile is new over here but I have 7 years of experience in this field. I have completely understood about your project. Also I will provide you free maintenance on your project for 1 year after project completion. I can definitely complete this in your timeframe. Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.
£150 GBP in 7 days
4.2
4.2

Hello, I'm Tooba S., a full-stack web developer with a strong background in building robust, scalable, and SEO-optimized solutions using technologies like Laravel, CodeIgniter, PHP, WordPress, JavaScript, HTML, Vue.js, React.js, React Native, and MySQL. With years of hands-on experience, I’ve developed high-performance platforms, including: Custom eCommerce websites, ERP and POS systems, and tailor-made web applications aligned with unique business requirements. Whether you need a responsive WordPress website, a powerful Laravel backend, or a complete custom web solution, I offer both frontend and backend expertise to create fast, secure, and user-friendly digital products. ✅ SEO-friendly code structure ✅ Clean UI/UX with optimized performance ✅ Mobile responsiveness ✅ Timely delivery & clear communication I’m available to get started immediately and would love to hear more about your goals. Let’s build something exceptional that not only works—but ranks well too. Looking forward to collaborating! Best regards, Tooba S.
£200 GBP in 7 days
4.0
4.0

Hello, I'm Asma, Web Developer and Graphic Designer with 10 years of experience working with clients and agencies from around the world. Creative problem solver with a passion for creating visually appealing and user-friendly digital solutions. I love building luxurious brands and designing captivating visual identities. I've worked with clients in lifestyle, property, fashion, hospitality, and luxury sectors. 24/7 Support & Faster Response . #WEBSITE DESIGNING / DEVELOPMENT #WORDPRESS/HTML/JS/CSS/PHP/LARAVEL/SHOPIFY #GRAPHIC DESIGNING #UX/UI #FIGMA #SQUARESPACE #SOCIAL MEDIA MARKETING #PHOTOSHOP/ILLUSTRATOR #GOOGLE ADS #JEWELERY DESIGNER #LOGO DESIGN #BANNER DESIGN #BUSINESS CARD #STATIONARY DESIGN #CD COVER #POWERPOINT PRESENTATION #BOOK COVER #LETTERHEAD DESIGN #3D LOGO #WORDPRESS #WEBSITE PAGE SPEED UP UPTO 95-99 #WEBSITE SEO #FIGMA TO WORDPRESS/HTML/JS/CSS/PHP/LARAVEL #PSD TO WORDPRESS/HTML/JS/CSS/PHP/LARAVEL ...... ETC :)
£200 GBP in 3 days
3.6
3.6

Greetings I can surely help you for Profitable GPT Site Creation I am in the IT industry since more than a decade and serve so many clients in building and rebuilding websites, software, and applications I have strong hands-on different cms like webflow, Wordpress, shopify, squarespace, wix and on different programming languages like PHP, Laravel, React, Node.js, HTML, CSS, And I did the migration from HTML to click funnels. I have made so many websites (E-commerce, WordPress, Classified admin, WooCommerce, etc.), bots, softwares, and Mobile applications (Android, IOS, and Huawei Play store) in my entire career. I have strong hands on both the front end and back end. Currently, I am part of the team who are dealing with miscellaneous tasks in dubizzle and Mzad Qatar including design and layouts and they both have more than 1 million users. I believe that you are looking for a web designer and for sure you will get your end desire result with plagiarism-free work and with better quality as I am assuring you this. Package deals can also be done for long-term collaboration as per the client's requirement. Kindly do come on chat so that we can discuss project details further more.
£20 GBP in 2 days
3.4
3.4

Hi there, we have recently completed a similar project and would love to share some references. Your Profitable GPT Site Creation project sounds right up our alley, and we would love to exceed your expectations. We understand the need for a clean, revenue-generating website integrated with secure user authentication, a seamless payment gateway, and in-depth analytics. Our expertise lies in designing polished UIs, reliable auth systems, and efficient payment gateways. We have multiple 5-star reviews on similar projects and rank in the top 1% among 75 million users! While we might be new to Freelancer, we have over 9 years of experience off-site. I truly appreciate you taking your time to review our proposal, and I would love to discuss this project more. Kind regards, Trichelle
£150 GBP in 14 days
3.4
3.4

Hi, I can develop a clean, production-ready website that wraps around your GPT model to generate revenue effectively. The best solution is to use React for the frontend and Django for the backend, ensuring a fast, responsive, and secure user experience. I'll implement a robust user authentication system that supports email and social logins, along with a fully integrated payment gateway that operates in both live and sandbox modes. Additionally, the website will feature a usage analytics dashboard that tracks prompts, spending, and churn rates. This will provide you with valuable insights to refine pricing and retention strategies. I'll ensure the solution is reliable, with comprehensive setup documentation and hand-off support, so you can manage everything with ease. Deliverables will include a responsive UI connected to the GPT API, the authentication system, the payment gateway, and the analytics dashboard. The acceptance criteria will guarantee that new users can sign up, pay, send prompts, and view their usage in real time while allowing you to manage stats and transactions effortlessly. Let's get started on this project.
£135 GBP in 7 days
3.3
3.3

Hi, I can build you a clean, production-ready website around your GPT model focused on generating revenue. I'll implement a secure user authentication system, integrate a payment gateway for immediate charging, and create usage analytics that track every prompt and conversion. My go-to stack would likely be React and Node.js to make sure high performance and fast delivery. I recently completed a similar project where I developed a SaaS application with user accounts and payment integration, resulting in effective tracking of user activity and revenue. You can check it out here: [link to project]. I can deliver everything in 15 days for $[Price]. Do you have any preferred payment gateways you'd like to use, or should I recommend one?
£100 GBP in 15 days
3.2
3.2

Your requirements are clear, and I'm confident this can be delivered with accuracy, quality, and zero unnecessary complexity. I've reviewed your requirements, and I can build a production-ready AI SaaS platform that securely wraps around your GPT model with a strong focus on monetization. The application will include user authentication, subscription/payment processing, real-time usage tracking, and an analytics dashboard—all designed to be fast, scalable, and cloud-ready. What I'll deliver: Responsive web app connected to the OpenAI API with a clean, modern UI. Secure authentication, user roles, password reset, and payment gateway integration. Real-time usage analytics for prompts, credits, revenue, and user activity. Deployment-ready code, documentation, and a smooth handover with ongoing support if needed. A few quick questions: Do you prefer one-time payments, subscriptions, or a credit-based pricing model? Which payment gateway would you like to use (Stripe, PayPal, Paddle, etc.)? Do you already have UI designs, or should I create a modern SaaS interface from scratch? Regards, Solves Inn
£100 GBP in 5 days
3.2
3.2

❤️ Hello ❤️ I have rich experience building AI SaaS platforms that monetize GPT models with full auth, payments, and usage tracking. I can build a fast, production-ready web app where users sign up, pay, send prompts to your GPT API, and see real-time usage. I will implement secure authentication, Stripe billing (sandbox + live), OpenAI API integration, and an admin dashboard showing prompts, credits, and revenue metrics. The result will be a scalable, deploy-ready SaaS where users can go from signup → payment → AI usage instantly. James.
£20 GBP in 1 day
2.6
2.6

Hi. I have extensive experience leading projects that integrate AI models into user-friendly applications, and I can execute this project with the same level of success. Your project requirements are clear; however, I’d like to confirm the specifics of the payment gateway and analytics features to ensure they align with your revenue goals. I propose using React for the frontend combined with a Django backend, leveraging its robust authentication and payment capabilities. My approach will ensure a seamless user experience with real-time analytics and billing logic fully integrated. I expect the final product to not only meet your requirements but also provide a solid foundation for future enhancements. What specific metrics are you most interested in tracking for optimizing your revenue model? Roman
£135 GBP in 7 days
2.4
2.4

Chesterfield, United Kingdom
Member since Jul 6, 2026
₹12500-37500 INR
₹750-1250 INR / hour
$250-750 USD
₹12500-37500 INR
₹12500-37500 INR
$15-25 AUD / hour
₹12500-37500 INR
₹1500-12500 INR
$10000-20000 USD
₹12500-37500 INR
$30-250 USD
min $50 USD / hour
$250-750 USD
₹1500-12500 INR
₹600-1500 INR
₹150000-250000 INR
₹1500-12500 INR
$30-250 USD
$30-250 USD
₹750-1250 INR / hour