Development of a WhatsApp Bot Integrated with ChatGPT API and Subscription Management

$30-250 USD

In Progress

Posted

10 days ago

$30-250 USD

Paid on delivery

Project Title: Development of a WhatsApp Bot Integrated with ChatGPT API and Subscription Management Project Description: We are seeking a skilled Node.js developer to build a backend for a WhatsApp bot using the Venom Bot library. This bot will allow users to interact with the ChatGPT API through WhatsApp, simulating a conversation with an AI. The system must include user registration and login functionalities, ensuring that only registered users can access the bot. Additionally, the backend should integrate with Stripe to manage subscriptions and process payments. Core Features: 1. WhatsApp Bot Integration: - Utilize Venom Bot ([login to view URL]) to create a WhatsApp bot that facilitates communication between users and the ChatGPT API. - Ensure the bot handles messaging flow and maintains session continuity. 2. User Authentication: - Implement secure registration and login processes. - Store user credentials and manage session tokens securely. 3. Subscription and Payment Integration: - Integrate Stripe to handle subscription-based access and payment processing. - Offer three subscription tiers: - Free Tier: Allows up to 3 messages per day with a 75-word limit per message, using ChatGPT 3.5 Turbo. - Paid Tier 1: Allows up to 50 messages per day with a 150-word limit per message, using ChatGPT 4 Turbo, and supports image inputs. - Paid Tier 2: Offers unlimited messaging with a 375-word limit per message, using ChatGPT 4 Turbo, and supports image inputs. 4. API Integration: - Integrate the backend with the ChatGPT API, configuring different API versions and capabilities based on the user’s subscription level. - Handle image inputs for paid subscription plans, processing and forwarding these to the ChatGPT API. 5. Operational Requirements: - Ensure the backend is scalable and can handle varying loads of user interactions and API calls. - Implement robust error handling and logging mechanisms to troubleshoot and resolve issues promptly. 6. Testing and Deployment: - Conduct thorough testing to ensure the bot operates seamlessly across all functionalities. - Prepare the system for deployment and ensure it is fully functional for end-to-end testing on WhatsApp. 7. Documentation: - Really detailed documentation about every single component and step needed to maintain, extend and run the code. Deliverables: - Complete source code of the project with detailed documentation. - Detailed documentation again because this is really important. - Deployment and operation guide. - Post-deployment support for a predetermined period to address any immediate issues. Project Timeline: - Please add your estimated timeline with periodic milestones to review progress and integrate feedback. Budget: - Please specify your estimated cost for the entire project, splitting it into milestones. Candidate Requirements: - Proven experience in Node.js and building APIs. - Experience with the Venom Bot library and WhatsApp APIs. - Familiarity with Stripe API and payment gateway integration. - Strong understanding of handling secure user authentication and session management. - Prior experience with integrating third-party APIs, especially in AI or chatbot services. - Excellent problem-solving skills and attention to detail.

Node.js

JavaScript

Chatbot

AI Chatbot Development

Bot Development

Project ID: 38031260

About the project

41 proposals

Remote project

Active 10 days ago

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Awarded to:

@tayyab187

With my extensive experience in Node.js and building APIs, I'm confident I can deliver the backend solution you require for your WhatsApp bot project. I have a deep understanding of the Venom Bot library and WhatsApp APIs, which will allow me to create a seamless communication flow between users and the ChatGPT API. Moreover, my proficiency with Stripe API will ensure a robust subscription and payment integration to manage different user access levels. Security is paramount in any application where data is involved - registration, login processes, session management - these would be handled diligently providing utmost safety to user credentials and session tokens. Over time, I've gained hands-on experience integrating third-party APIs into diverse projects, which adds depth to my skills when it comes to working with AI or chatbot services. In summary, choosing me means securing a developer who can skillfully deploy your requirements into a functional chatbot. My solutions are tailor-made ensuring detailed documentation

$200 USD in 10 days

5.0

(1 review)

0.8

41 freelancers are bidding on average $222 USD for this job

@managersingh

Hi, I am Certified Full-stack developer and APIs expert. I have seen your posted job and I am interested to work with you. I have read the things that you want. I consider myself a perfect match for this job because I am working as a Web Developer for the last 8+ years. Your requirements are fully clear to me and I am applying only because I meet all the requirements that you are looking for. Detail-oriented and knowledgeable in various programming languages at all levels from the first meeting with a client to the website maintenance after launch. Kindly start the interview so that we can discuss the project in detail. Regards Singh

$250 USD in 7 days

4.7

(26 reviews)

6.2

@EuSopht

Hello Sir, I have proven experience of developing whatsapp bot integrated with ChatGPT API using Node js. I have read your project description that you need to build the bot using Venom Bot library. I am confident that I can do that as well. I have integrated stripe subscription APIs in different projects so It will not be a difficult task for me to add this in our system. I have provided the milestone wise project cost for your review. Please let me know if you require any further details. Hope to hear from you soon. Thank you

$1,300 USD in 7 days

4.6

(6 reviews)

5.7

@AmazingEngr76386

As an experienced Node.js developer, your project aligns perfectly with my skillset and expertise. I have successfully built and deployed multiple APIs using Node.js and integrated them with various third-party services. Specifically, I am familiar with the Venom Bot library and have hands-on experience with WhatsApp APIs, making me well-equipped to build a reliable backend for the ChatGPT-based WhatsApp bot you require. Moreover, I have prior experience integrating payment gateways like Stripe, which will greatly aid in developing and managing the subscription-based access and payments for your bot. My strong grasp on secure user authentication and session management will ensure that only registered users can access the bot, guaranteeing smooth operations. Additionally, I value comprehensive documentation deeply. Therefore, you can rely on my commitment to document every single component and step involved in maintaining, extending, and running your code. Considering scalability is crucial for your project, my knowledge in handling varying load demands, robust error handling, and thorough testing will prove invaluable. Lastly, I am committed to delivering projects precisely as per agreed timelines while offering ongoing support post-deployment to address any necessary improvements.

$140 USD in 7 days

4.9

(8 reviews)

5.1

@dillonmarszal

Hello. I am a SR. WEB DEVELOPER who can certainly make your idea into real! I have enough experience in JavaScript, Bot Development, AI Chatbot Development, Chatbot and Node.js. I am waiting your reply here, please don't hesitate contact me anytime. Thanks.

$200 USD in 7 days

5.0

(5 reviews)

4.2

@ssquare489

Hello, Just finished reading the brief details of your job. I'm excited about the opportunity to work on this project and develop a WhatsApp bot integrated with the ChatGPT API and subscription management features. Here's how I plan to approach the project: WhatsApp Bot Integration: I will utilize the Venom Bot library to create a robust WhatsApp bot that seamlessly interacts with the ChatGPT API, ensuring smooth messaging flow and session continuity. User Authentication: Implementing secure registration and login processes will be a top priority. Subscription and Payment Integration: Integrating with the Stripe API, I will set up three subscription tiers as specified, each offering distinct features and limits. API Integration: Integrating with the ChatGPT API will be done meticulously, configuring different API versions and capabilities based on the user's subscription level. Operational Requirements: Ensuring scalability and robustness, I will implement error handling and logging mechanisms to address any issues promptly. Testing and Deployment: Thorough testing will be conducted to ensure the bot operates seamlessly across all functionalities. Documentation: Detailed documentation will be provided for every component and step, ensuring ease of maintenance, extension, and operation of the code. I look forward to discussing this project further and working together to bring your vision to life. Best regards, Sumit Joshi

$120 USD in 7 days

5.0

(12 reviews)

4.4

@wazeermohamed

Hello. I am a skilled Chatbot Developer with experience in AI, Machine Learning, and Natural Language Processing. I have a strong track record in creating engaging chatbots for various domains. Proficient in multiple programming languages, AI algorithms, and applications. My MainSkills: Languages: Python, Java, JavaScript, C++, PHP Frameworks/Libraries: Tensorflow, PyTorch, Keras, LUIS, spaCy, NLTK, Dialogflow Concepts: Machine Learning Algorithms, Deep Learning, Natural Language Processing (NLP), Chatbot development, Conversational User Interfaces Database: MySQL, MongoDB, Firebase Other Tools: Git, Docker, Kubernetes I have Developed and deployed over 20 dialog systems for different sectors and designed efficient conversational flows that have increased user retention. I can iteratively train and optimize machine learning models for improved performance in understanding user intent and delivering accurate responses. Working together on your project will not just end with the task completed but will include ongoing support and continuous improvements as per your requirements. I am available for any further discussions and can start right now. So let me dive into your new AI world. Thank you for considering.

$300 USD in 7 days

5.0

(3 reviews)

4.1

@souyah

Hi, there! Having confirmed the job posting, it seems like you might be looking for a senior developer for your project - Development of a WhatsApp Bot Integrated with ChatGPT API and Subscription Management. I have worked with similar projects so that I can provide you with a satisfied result. This project really caught my attention because I have been working in this specific industry for 10 years now, and have not only gained experience or knowledge but, I have got the answer to the main problem which many clients face which is communication and I can assure that you will be satisfied and updated throughout the process, if we move forward. Can't wait to have you on chat with me, and to get started with this project. Regards

$200 USD in 3 days

5.0

(3 reviews)

3.7

@muhammadzain59

Hello there! My name is Muhammad Zain. Your project resonates deeply with my skill set and experience. As a seasoned Full Stack Developer with a strong command over JavaScript and Node.js which is essential for building the WhatsApp bot using Venom Bot library, I have the ability to create robust backends with secure user authentication and session management, exactly what your project requires. Furthermore, I have been extensively working on integrating third-party APIs into various applications including chatbots and AI services, making me well-versed with API integrations like the ChatGPT API and Stripe - skills that aligns perfectly with your specific requirements. In terms of managing subscriptions and handling payments, I am familiar with Stripe API and can ensure smooth functioning of different subscription levels that you've outlined, from Free Tier to the Paid Tiers 1 and 2. With detailed testing and meticulous documentation through each step of development, I guarantee a high-quality solution within your specified timeframe and budget. Don't just take my word for it though, feel free to explore the extensive portfolio of successful projects I've delivered in the past. Looking forward to discussing this project in more depths with you!

$220 USD in 8 days

5.0

(1 review)

3.6

@qadrifreelancer

As a developer with experience in Node.js and API development, I propose to approach the project in the following manner: 1. **Solution**: - Use Node.js to build the backend for the WhatsApp bot integrated with the ChatGPT API. - Implement user authentication securely. - Integrate Stripe for subscription management and payment processing. - Ensure seamless integration with ChatGPT API for different subscription tiers. 2. **Questions**: - Are there specific design preferences or UI/UX requirements for the WhatsApp bot interface? - Will there be any specific scalability requirements for handling potential user growth? - Do you have any preference for hosting/deployment platforms? 3. **Relevant Information**: - I have prior experience with Node.js, API development, and integrating third-party APIs. - Familiarity with the Venom Bot library and Stripe API for payment processing. - Emphasis on robust error handling and logging for efficient issue resolution. I am confident in my ability to deliver a high-quality solution meeting all the outlined requirements within the specified timeline and budget. Looking forward to further discussing the project details and collaborating effectively for its successful implementation.... Come over chat

$100 USD in 1 day

5.0

(2 reviews)

3.2

@abdullahmaqsoo58

Hello, I have carefully read your project requirement, I am sure, I can fulfill your requirement and get desired results. I am ready to start the project right away. Regards, Abdullah Maqsood

$140 USD in 7 days

5.0

(2 reviews)

3.2

@udyam1

As an experienced Node.js developer, I understand the intricacies of this type of project. My background wielding both front-end and back-end development languages such as JavaScript and Node.js makes me a prime candidate for this job. Furthermore, my experience with leveraging APIs and integrating third-party services will prove invaluable when it comes to tying all the necessary components together, especially with the Venom Bot library and the WhatsApp API at play. In addition to these qualifications, I’m also well-versed in securing user authentication methods and managing sessions, crucial aspects for a project of this nature. I have direct experience working with Stripe’s API, making subscription management and payment integration familiar territory for me. Rest assured, your project is in capable hands. To enhance the value of my service, I’ll deliver comprehensive documentation alongside the complete source code--twice over to underscore its importance--so your team can maintain, extend, and run the code efficiently. As an advocate for clear communication, I'll provide regular updates and accommodate feedback throughout the project timeline. Finally, I offer post-deployment maintenance to tackle any immediate issues that may arise. Choose me to craft an efficient backend that ensures smooth user experiences while purchased subscriptions are properly processed on WhatsApp!

$70 USD in 7 days

5.0

(4 reviews)

2.4

@azizaulikah12

As an experienced Node.js developer with a strong background in API development, I believe I am the ideal candidate for your WhatsApp Bot project. Having worked extensively with platforms such as Venom Bot library and WhatsApp APIs, I have the right mix of technical skills to integrate and build a powerful backend system for your ChatGPT WhatsApp bot. My familiarity with Stripe API further ensures secure subscription management and payment processing, which is vital in maintaining a seamless user experience. In addition to my fluency in handling third-party APIs, my AI/ML expertise will come in handy while integrating the ChatGPT API into the backbone of the WhatsApp bot. I understand the complexity of working with different API versions based on subscription levels and guarantee smooth handling of image inputs for paid subscriptions. My knack for scalable architectures and diligent error logging will contribute to high uptime and easy troubleshooting. Lastly, my commitment to extensive testing and detailed documentation aligns perfectly with your needs. I value the importance of well-organized documentation that allows effective maintenance, extension, and independent running of codes. With me, you won't just gain a dependable developer. You'll have someone who is dedicated to adding value through every phase, from deployment to post-deployment support. Feel free to reach out earlier for an in-depth discussion concerning your project time frame and budget estimates

$500 USD in 7 days

5.0

(2 reviews)

1.9

@sonishubham

Hey There, As an experienced and Top-rated Full Stack developer, I have successfully managed over 550+ Mobile App Development and Web Design/Development projects, including the use of Node.js to build powerful APIs just like the one your project demands. With a career spanning over 9 years, I bring an unyielding commitment to quality (my work satisfaction rate is consistently at 100%) as well as an incredible attention to detail - crucial skills for handling complex backend integrations. I understand that you require someone with deep knowledge of the Venom Bot library and WhatsApp APIs. Having built numerous chatbots using these tools in the past, I assure you that my experience will make me an asset to your team. Furthermore, I've extensively worked with payment gateway APIs like Stripe, which uniquely positions me to seamlessly integrate secure subscription management and payments into your backend system. Not only am I adept at developing scalable systems that handle varying loads, but my ability to plan out and deliver efficient milestones within tight deadlines has always been lauded by my clients. This skill-set also extends to user authentication and session management - domains where security is paramount. To add value, I muster significant experience in documenting code and assuring post-deployment support; a critical requirement for this project.

$140 USD in 7 days

1.8

(5 reviews)

4.5

@TetianaKunenko

❤️ Dear Client ❤️ Warm Greetings! I have read your project descriptions and I am very interested in your project. Recently I have developed very similar project like yours. It's AI Cold Calling Bot and there it is possible to have a chat with client via whatsapp. I am willing to describe more on chat about my project and I am sure that you will be really interested in my project. Please reach me out on chat and discuss more. In service of your success, Warm regards, Tetiana.

$100 USD in 7 days

3.2

(1 review)

2.6

@Jaswinderkdevbi1

***** Node js expert***** I have more than 15 years of experience in the development As I am an expert, I can build it according to your requirements. Because I have a lot of experience in these fields, I can build your project as soon as possible. I offer excellent software quality work and provide the best support for your project. If you give me this job, I will do my best to finish your job by your timeline. If you want to see my past works, I can show you my past works right now. Ready to discuss this with you about the task now. Thank you for the reading.

$140 USD in 7 days

5.0

(2 reviews)

1.1

@GameOfWords

Drawing from my extensive web development skills, I'm your ideal candidate to seamlessly unify the ChatGPT API with WhatsApp through my profound expertise in JavaScript and Venom Bot. With adept knowledge of Node.js, building APIs to ensure secure user authentication with solid session management will be a walk in the park! Moreover, my familiarity with the Stripe API will effortlessly facilitate the subscription and payment integration you desire. In a nutshell, you'll benefit from my ability to deliver efficient, scalable, and secure backend solutions. Having incorporated multiple third-party APIs into varied contexts throughout my career, including AI-oriented platforms like your project requires, I am well-versed in maintaining rigorously documented workflows. Top-notch problem-solving abilities complemented by meticulous attention to detail are hands-down drivers of a successful project. To add more value, I maintain comprehensive documentation throughout projects and their components. This will ensure replicable operation and ongoing maintenance anytime in the future. Given my track record for on-time delivery, proactiveness in mitigating potential risks, and diligent post-deployment support as specified is exactly what you'll experience when we collaboratively embark on this endeavor. Let's build this innovative WhatsApp bot together!...

$140 USD in 7 days

4.6

(1 review)

1.3

@HUMMERFIRE

Dear Client. After read your requirement, I realized your project is matched well with my ability-Bot Development, JavaScript, Node.js, Chatbot and AI Chatbot Development. I have successfully developed several project as same as you. I prioritize clear transparency, and collaboration throughout the development process to ensure that the final product aligns with your vision and objectives. I am excited about the opportunity to work with you on this project and confident in my ability to deliver exceptional results. If you have any questions or would like to discuss the details further, please feel free to reach out at your convenience. Thank you for considering my proposal. I am looking forward to the possibility of collaborating with you. Patricio

$100 USD in 3 days

0.0

(0 reviews)

0.0

@rannasteve

Hi, Hope you are doing great today. > Please read it carefully, this is not a generic proposal < I noticed that you are seeking a Development of a WhatsApp Bot Integrated with ChatGPT API and Subscription Management. I would like to take this opportunity to share with you that I possess a variety of JavaScript, Node.js, Chatbot, AI Chatbot Development, Bot Development and have completed numerous projects throughout my career. I am confident that I can deliver the results you need for your project with the same level of professionalism and expertise. Please keep in mind that I am available to discuss the details of the project with you at any time through chat. Additionally, you can view my profiles to get to know the skills and expertise I possess https://www.freelancer.com/u/rannasteve As part of my commitment to delivering high-quality work, I will assign a dedicated Project Manager to your project to provide daily progress reports. You can also count on 24-hour chat support, so time differences won't be an issue. I will ensure that the project is completed within the timeline that we mutually agreed upon before the start of the project. Finally, I offer a one-month maintenance period after the project is completed. I look forward to hearing back from you and discussing how we can work together to bring your project to life. Best regards, Steven

$140 USD in 7 days

0.0

(1 review)

0.0

@MuhammadSalman89

Hi Inteligente Web, I hope you are doing well, Please read it carefully as it is not an generic bid. I have completely gone through your project: Development of a WhatsApp Bot Integrated with ChatGPT API and Subscription Management and I am reaching out to you with great excitement and enthusiasm, eager to embark on a journey of creativity and collaboration with you. As an experienced and passionate designer and developer, and having vast experience in JavaScript, Node.js, Chatbot, AI Chatbot Development, Bot Development, I am thrilled at the opportunity to bring your vision to life and elevate your brand to new heights. With over 6 years of hands-on experience in graphic design, website design, website development, and a myriad of other creative endeavors, I am well-equipped to meet and exceed your expectations. Here's a glimpse of what I bring to the table: 1: Tailored Solutions: Every project is unique, and I approach each one with fresh eyes and a personalized touch. I assure you that your project will receive the attention and customization it deserves. 2: Creative Ingenuity: Creativity is at the core of everything I do. I thrive on pushing boundaries, exploring new ideas, and delivering designs that leave a lasting impression. From concept to execution, I am dedicated to infusing your brand with creativity and flair that sets you apart from the competition. 3: Collaborative Partnership: Your satisfaction is my top priority, and I believe that effective communication and collaboration are the cornerstones of a successful project. I am committed to keeping you involved and informed every step of the way, ensuring that your vision is brought to life exactly as envisioned. Allow me to propose a partnership that transcends the ordinary and unlocks the full potential of your brand. Together, we'll embark on a journey of creativity, innovation, and success. I would love the opportunity to discuss your project in more detail and explore how we can work together to achieve your goals. I look forward to the possibility of collaborating with you and turning your dreams into reality. Best regards, Muhammad Salman

$140 USD in 7 days

0.0

(0 reviews)

0.0

@Nexusdesignsca

Hello Inteligente Web, I hope this message finds you well. I came across your project and was immediately intrigued. I am fully confident that I am the best fit for this job. With years of experience in JavaScript, Node.js, I've successfully navigated similar projects. My expertise in JavaScript, Node.js, Chatbot, AI Chatbot Development, Bot Development ensures efficient and high-quality results aligned with your goals. I value collaboration and will actively involve you in the process to exceed your expectations. Timely delivery is crucial, and I'm committed to meeting deadlines while maintaining exceptional quality. I invite you to join me for a chat where we can delve deeper into your requirements and discuss your project in detail. Additionally, I'll showcase relevant examples of my work, allowing you to gain insight into my skillset and how it aligns with your needs. Thank You Hafiz Asif

$140 USD in 7 days