Custom WhatsApp API Tool Development

@ssquare489

Hello, I’d love to help you build a lightweight, extendable wrapper over Meta’s WhatsApp Cloud API. At Sacesta Technologies, we specialize in SaaS, CRM, and AI-powered platforms, and we pride ourselves on delivering clean, well-documented solutions that you can maintain and extend easily. For your WhatsApp utility, here’s how we’d approach it: • Send & receive messages: RESTful endpoints for text, images, and documents with real-time incoming message webhooks you can point to your server. • Contact management: Endpoints to add, edit, and delete contacts, keeping your CRM fully synchronized. • Clean, maintainable code: We’ll use a stack that spins up quickly—Node.js, Python, or PHP—while keeping dependencies minimal. We’ll provide: Full source code with a clear README covering setup, token management, and environment variables. A Postman collection demonstrating each endpoint. Docker-ready deployment instructions for your Ubuntu 22.04 VPS. A short hand-off walkthrough to explain token regeneration and webhook setup. Our structured process, similar to what we used for FileChannels (real-time messaging with CRM integration) and FlexoSpaces (automated proposal workflows), ensures reliability and scalability while giving you complete control. I look forward to building a straightforward, robust WhatsApp integration for you. Regards, Sumit Joshi

@amjad2

Hi Viditt! I’ve reviewed your project and specialize in building integrations with APIs. I’ll create a lightweight tool on top of Meta’s WhatsApp Cloud API that allows you to send messages, receive incoming messages via webhook, and manage contacts seamlessly. Let’s schedule a quick call to discuss the details! Best Regards, Amjad Iqbal

@anirudhat

Hi, I can help with this task. Ready to start immediately.

@nareshkumarb6

Hello, I’m Naresh Kumar B — Full Stack Developer from Chennai, India, with hands-on experience building WhatsApp Cloud API integrations and lightweight REST tools. I’ve reviewed your requirements and can deliver a clean, minimal utility that sits directly on top of Meta’s official WhatsApp API without unnecessary complexity. What I will deliver: REST API to send WhatsApp messages (text, images, documents). Webhook listener to receive incoming messages in real time. Contact management APIs (add, edit, delete) for CRM sync. Clean Node.js / PHP-based implementation (light dependencies). README documentation covering setup, tokens, and env variables. Postman collection demonstrating all endpoints. Docker-ready deployment guide for Ubuntu VPS. Short handoff walkthrough explaining token refresh & webhook setup. Experience: I’ve built messaging automations and API tools focused on clarity, extensibility, and compliance with Meta policies. My code is easy to extend and production-ready. Timeline: 3 days Bid: ₹600 INR Let’s connect and get this utility live quickly. Regards, Naresh Kumar B Full Stack Developer | API Integrations | WhatsApp Cloud API | Chennai, India

@ksoni47

Hello, I can build a lightweight, clean utility on top of Meta’s official WhatsApp Cloud API with exactly the three features you need: sending messages (text, images, documents), receiving real-time incoming messages via webhook, and basic contact management for CRM synchronization. I’ll use a simple RESTful architecture (Node.js, Python, or PHP based on your preference) with minimal dependencies and clear documentation. Deliverables include well-structured source code with README, a Postman collection for all endpoints, Docker-based deployment steps for Ubuntu 22.04, and a short hand-off call or video explaining token regeneration and webhook setup. Delivery in 7 days.

@ranjitkumarsah1

Hello, I can build a lightweight, clean utility on top of Meta’s official WhatsApp Cloud API that exposes only the core features you need and stays easy to extend later. Scope I’ll cover: Send WhatsApp messages (text, images, documents) Receive incoming messages in real time via webhook Add, edit, and delete contacts for CRM sync Plain session-based messaging only (no templates) What you’ll get: Clean, well-documented backend (PHP—best-fit stack) Simple RESTful APIs mapped directly to Meta endpoints Source code with clear README (setup, env vars, token handling) Postman collection showing every endpoint Quick VPS deployment guide (Ubuntu 22.04, Docker-ready) Short handoff call / video walkthrough for token renewal & webhook setup Why me: Experience with WhatsApp Cloud API & webhooks Focus on simple, maintainable code Minimal dependencies, no over-architecture Clear communication and smooth handover Timeline: ✅ 3–7 days I can start immediately. If needed, I can also share examples or walk you through a demo-style setup. Best regards, Ranjit

@daniild5

As a seasoned Data Scientist with over five years of experience, I bring invaluable expertise in designing and developing efficient, end-to-end data solutions. Although I may lack direct experience with WhatsApp integration, my background in data lifecycle management has provided me with a knack for developing clean, well-documented code that easily adheres to third-party API endpoints like Meta’s WhatsApp Cloud API. This ability ensures that the development of your customized tool will be hassle-free and the logic behind it intelligible. Furthermore, a project's sustainability should never be overlooked - that's why I prioritize easy extensibility in my codebase. By choosing me, not only will you receive a fully-functional system catered to your needs, but I'll also provide you with all the necessary documentation on setup, environment variables and token management for your peace of mind.

@RivaanMaurya

Hi, I can build a reliable custom WhatsApp API tool for you, including sending/receiving messages, webhook handling, and clean integration with your existing system or CRM. Using the official WhatsApp Business API or trusted gateways, I will design a secure, scalable architecture with well-documented REST endpoints so your team can automate chats, notifications, and workflows with confidence. If you share your use cases (support, lead nurturing, broadcasts, etc.), I can suggest the best stack and deliver a tested solution with clear deployment and handover.

@khushiy0745

Hello, Thank you for considering my proposal. I’ve reviewed your project requirements and I’m confident I can deliver a high-quality, reliable, and user-friendly solution tailored to your needs. I focus on clear communication, smooth workflow, and timely delivery to ensure a successful outcome. I would be glad to discuss your project in more detail and understand your goals so we can move forward effectively. Looking forward to your response. Regards, Khushbu Yadav

@mostafah361

Hello, I can build a lightweight, clean utility on top of Meta’s official WhatsApp Cloud API that focuses only on the core features you need, without unnecessary complexity. What I’ll deliver: A simple RESTful service to send WhatsApp messages (text, images, documents). A webhook endpoint to receive incoming messages in real time, easily configurable to point to your server. Endpoints to add, edit, and delete contacts, so it stays in sync with your CRM. Plain session-based messaging only (no template complexity), exactly as requested. I’ll use a minimal, maintainable stack (Node.js or PHP, whichever you prefer) with clear structure, light dependencies, and well-documented code. You’ll receive: Source code with a clear README (setup, env vars, token management). A Postman collection demonstrating every endpoint. Deployment instructions for Ubuntu 22.04, with Docker support if desired. A short hand-off walkthrough explaining token renewal and webhook management. The goal is a straightforward tool you can plug into existing workflows and extend later with confidence. Happy to start immediately and keep things clean and practical. Best regards, Mostafa