WhatsApp API CRM Integration

@youssefEngineer

I am confident I can expertly handle this project. My solid background in PHP with a strong emphasis on webhooks and API integrations, together with my extensive knowledge of JavaScript for seamless front-end implementation aligns perfectly with your job requirements. I have worked on similar projects involving real-time messaging systems that require quick and efficient responses. With my proficiency in Python, this includes successful deliveries to various social media platforms including WhatsApp. Notably, I prioritize quick message delivery because I understand its importance in your line of business.

@raj00565

As an IT expert with over 12 years of experience under my belt, I am more than confident in my ability to deliver on your WhatsApp API CRM integration project. Having worked extensively in system administration, network engineering, and DevOps, I've developed a deep expertise in crafting end-to-end technology solutions that drive performance, reliability, and security- all of which I know to be crucial factors for any project involving CRMs and APIs. Specifically, our proficiency in PHP and Node.js suits the stack you are currently using. Additionally, my dev team has recently developed a similar custom WhatsApp Business Cloud API solution for a client with a MySQL back-end deployed on AWS infrastructure. The project was delivered within tight timelines and to their complete satisfaction. We understand the value of clear documentation and strong hand-off processes, which will enable your team to comfortably adopt and take ownership of the solution we create. Let's schedule a chat to discuss your requirements in detail and how we can implement this effectively

@ssquare489

As a seasoned developer with substantial experience in API integrations, backend development and software architecture, I'm confident that I'm the right person for your WhatsApp API CRM integration. I have not only worked with Meta-approved business numbers but have also developed custom webhook endpoints. These experiences will be invaluable in building the necessary endpoints to capture incoming messages and push them into your existing messaging module. Moreover, I'm well-versed in authentication processes including token refresh with Meta and can create a seamless outbound message flow for your agents to reply or start conversations directly from any contact record in the CRM. By opting for a transparent approach, I ensure that you'll receive comprehensive setup notes and possibly a recorded demo for easy reproduction on your staging and production environment. My proficiency in PHP 8, MySQL, JS (frontend) along with additional skills in Node.js, Python and XML translate into a wide range of options for your middleware layer if desired. Furthermore, my work at Google and Apple guarantees an efficient delivery process and high-quality results - both of which are required to complete your project successfully. Let me artfully integrate this solution for you, ensuring every incoming message appears in the CRM within two seconds and every agent's reply reaches the designated phone just as quickly. Choose me to turn this project into a carefully crafted reality.

@DigitalNightOwl8

Hey , Good afternoon! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Software Architecture, Python, MySQL, Node.js, Backend Development, Software Documentation, XML, API, Web Development and PHP. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Talk to you soon

@Algokage

Hello, I can deliver efficiently based on your specific needs, directly integrating the WhatsApp Business Cloud API into your CRM via webhooks. I will build the webhook endpoints to capture incoming messages and push them into your existing messaging module, create the outbound message flow for agents to reply or start conversations, handle authentication with Meta, and document the required environment variables for your DevOps team. I have 5+ years of experience in similar projects, and I'm confident I can meet your requirements. Please send a message to get samples of similar projects or a quick demo, or to discuss the requirements further. Thanks, Adegoke. M

@Mayanks010

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Mayank Sahu

@fizaa170

Hi, I've reviewed your requirements, and this is a well-defined WhatsApp Business Cloud API integration rather than a full messaging platform build. The core work involves connecting Meta's webhook events to your CRM, creating the outbound messaging flow, managing authentication, and ensuring reliable message synchronization between WhatsApp and your existing messaging module. A few questions: • Is your CRM built on a custom PHP framework or a specific platform? • Do you already have a Meta-approved WhatsApp Business number and Cloud API access configured? • Should conversation history be stored entirely within your CRM database? My approach would be to implement secure webhook endpoints, inbound message processing, outbound messaging APIs, delivery status handling, and clear deployment documentation for staging and production environments. Since your stack is PHP 8 and MySQL, I would likely keep the integration within the existing ecosystem unless a separate middleware service provides a clear advantage. I'd be happy to discuss the architecture and deployment workflow in more detail. Best regards, Ahsan Khan Next Revolution Tech

@ammarahmed20

As an experienced full-stack developer with a profound mastery of multiple languages like PHP, Python, and JavaScript, I am confident in my ability to efficiently integrate WhatsApp Business Cloud API into your existing CRM system using webhooks. Over my 6+ years in the industry, I have successfully delivered various similar projects within challenging time frames by leveraging efficient API solutions. My knowledge and expertise with AI Agents, Automation Tools, Middleware systems like Node.js and PHP as well as familiarities with relevant libraries such as Meta along with solid knowledge of MySQL - putting me in a prime position to provide the seamless WhatsApp-CRM connection you need. Furthermore, I've gained proficiency in managing environment variables and have the adeptness to provide your DevOps team with all necessary information for smooth running. Apart from the demonstrated ability to build webhook endpoints and handle authentication, I believe what truly sets me apart is my commitment to providing comprehensive hand-off documentation - ensuring that even after project completion, your team remains confident in maintaining the integration. Communication will be crucial throughout this project, and one thing you can certainly count on is my transparent updates and timely iterations - giving you full visibility into the progress made. Let’s get those WhatsApp messages flowing into your CRM!

@manoval09

Hi, Your brief cuts off mid-sentence — "hook it into our o..." — which tells me the CRM piece is the crux of this, and I'd rather get that right than guess. What I can already see is that you need someone who's actually shipped with the WhatsApp Business Cloud API, not just read the docs. I've integrated the Cloud API using Meta's webhooks for inbound message routing, the `/messages` endpoint for outbound sends, and status callbacks to track delivery and read receipts. For CRM sync, I'd use a lightweight queue (BullMQ on Node or Celery on Python) to decouple the WhatsApp webhook from the CRM write — so a slow CRM response never drops an incoming message. Contact deduplication happens on the CRM side using the `wa_id` as the canonical identifier, which keeps the data clean without custom merge logic. Before I scope hours against your $1500 budget, one question that will change the estimate significantly: is the CRM a SaaS product with a published REST API (HubSpot, Pipedrive, Zoho), or is it a custom-built system? Best regards, Val

@adriank06

Hello there, Meta’s webhook retries and token expiry can silently break integrations. I propose a Python FastAPI middleware to deduplicate inbound messages by Meta’s message ID and run a persistent token refresh loop—no dropped messages. Outbound replies go through a simple POST endpoint. I can have a live test running in five days, with setup notes for your DevOps team. Would Redis or a MySQL table be preferable for deduplication at your scale?

@priyanshuk879

Hi, I can help you integrate WhatsApp Business Cloud API with your in-house CRM using webhooks. I have worked on similar real-time messaging systems where incoming WhatsApp messages are pushed directly into CRM modules within seconds. I will build webhook endpoints for inbound messages and also create a clean outbound flow so agents can reply or start chats from the CRM. I will also handle Meta authentication, token refresh, and provide clear setup documentation for your DevOps team. Your requirement of near real-time sync (within 2 seconds) is clear, and I will make sure the system is optimized for that performance. Ready to start Immediately.

@mubashir021

Hello, I'm Mubashir Ahmed, a Full-Stack Developer, Engineer, and UI/UX Specialist with 6+ years of experience in API integrations. I can help integrate the WhatsApp Business Cloud API with your CRM for enhanced communication. I understand your focus is on enabling fast messaging within your CRM using the Meta-approved business number. I can ensure efficient and reliable message flow. - I will set up webhook endpoints to capture incoming WhatsApp messages and integrate them into your messaging module using PHP and MySQL. - I will create the outbound message flow to allow agents to send and receive messages directly from any contact record in the CRM. - I will handle authentication with Meta, including token refresh processes, and document environment variables for your DevOps team. - I will provide concise setup notes or a recorded demo for easy installation on staging and production environments. - I will conduct live tests to ensure messages sent from a phone appear in the CRM within two seconds. My Portfolio: https://www.freelancer.com/u/mubashir021 I can provide a FREE detailed quotation and project proposal with a suggested roadmap at no cost. Mubashir Ahmed

@Ankurhardia34

Hello, I hope you’re doing well. I reviewed your project requirements and I’m confident that I can help you build a high-quality, modern, and user-friendly solution according to your needs. whatsapp API CRM integration I’m Ankur, a Full Stack Developer with 7+ years of experience in: * Custom Website Development * E-commerce Development * Mobile App Development * Flutter App Development * Android & iOS Applications * WordPress & PHP Development * UI/UX Design * Admin Panels & APIs I have successfully completed 500+ projects for startups, businesses, and individual clients worldwide. Why work with me? ✔️ Clean and professional development ✔️ Mobile-friendly and responsive design ✔️ Fast communication and regular updates ✔️ Scalable and secure solutions ✔️ On-time delivery ✔️ 3 months of free support after completion My goal is not just to complete the project, but to build a solution that helps your business grow. I would be happy to discuss your project in detail and start working immediately. Looking

@jasrajkaur77

Hi, I’ve read your project description carefully and clearly understand your requirements. I have experience in Node.js, REST APIs, webhooks, authentication, and CRM integrations. I can integrate the WhatsApp Business Cloud API for incoming and outgoing messages, Meta token handling, MySQL data flow, and agent replies inside your CRM. I will also provide clear environment configuration and deployment documentation. Best Regards, Jasraj Kaur

@rahulsimraiya131

Rahul here, I noticed you're looking for a direct WhatsApp Business Cloud API integration with your existing CRM, where reliability and real-time message delivery are more important than complex messaging features. I have experience integrating APIs, webhooks, CRM systems, PHP, MySQL, Node.js, and third-party messaging platforms. I can help implement inbound and outbound WhatsApp messaging, webhook processing, Meta authentication, message synchronization, and the required documentation for deployment and maintenance. One quick question: is your CRM already structured with a messaging module and contact records, or will the WhatsApp conversation interface also need enhancements as part of this integration? I'd be happy to discuss the project and review your existing CRM architecture. Ready to start immediately. Thank you for your consideration.

@saifali012

Hi, I understand you already have the CRM and now need a reliable WhatsApp Business Cloud API integration that feels native inside your system. The key challenge is keeping inbound/outbound messaging fast, webhook delivery stable, and Meta authentication handled cleanly without creating maintenance issues later. I can integrate WhatsApp Business Cloud API with your PHP 8 + MySQL CRM using webhook endpoints for incoming messages and real-time outbound messaging directly from contact records. My approach will include secure API authentication, token management, environment documentation, webhook event handling, and clean integration with your existing messaging module while keeping future expansion ready for templates and automation. I can work with PHP, XML, Python, Software Architecture, MySQL, Node.js, Web Development, API, Backend Development, and Software Documentation requirements. One quick question: is your Meta-approved WhatsApp Business number already connected to a Business App and webhook-enabled app inside Meta Developer Portal? Open chat now and let's discuss the project requirements in detail.

@shahidhabib791

Hello, As an experienced developer who has helped numerous businesses enhance their operational efficiency and embrace automation technologies, I’m confident that I'm the perfect fit for your WhatsApp API CRM Integration project. My proficiency with MySQL, Node.js, PHP, and Python aligns well with your tech stack, ensuring a smooth hand-off as I build the webhook endpoints to capture incoming messages and integrate them into your existing messaging module. I have successfully implemented various AI workflow automations and business process automations using different APIs such as n8n, Make, Zapier, and even custom Node/Python services where necessary - all geared towards reclaiming time and eliminating manual errors. I see this project as no different; building an efficient outbound message flow for your agents to engage with contacts directly from the CRM will help streamline your operations and create a seamless experience for your team. Best Regards, Habib Ullah

@garpoz

Hello, I can help integrate WhatsApp API with your CRM to streamline communication, automate workflows, and improve lead management efficiency. My approach focuses on creating a reliable and scalable integration that ensures smooth data flow between WhatsApp and your CRM while maintaining performance and security. What I can deliver: • WhatsApp API integration • CRM connectivity and synchronization • Automated messaging workflows • Lead and contact management integration • Error handling and reliability improvements • Testing and deployment support I focus on building practical business solutions that reduce manual work, improve response times, and enhance customer engagement. I am available to start immediately and can deliver a stable integration with clear communication throughout the project. Best regards

@MthokoD

I've got you covered. Understanding the real risk behind your WhatsApp API CRM integration is ensuring seamless communication with clients. Delayed messages or improper integration could harm customer relationships and lead to missed opportunities. I am new to the Freelancer platform, but bring real-world experience and a proven track record of successful project deliveries. For a similar project, I improved client engagement by integrating WhatsApp Business API, enhancing communication efficiency. Let's connect and explore how we can bring your vision to life. Warm Regards, Ahead Solutions P.S. If you're not happy with our work, you don't pay.