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I need a complete Communication-Platform-as-a-Service that lets businesses and resellers deliver messages and calls over SMS, Voice, WhatsApp, Email (Gmail-compatible), Viber and RCS from one place. The build has two equally important faces: • A clean REST/JSON API for each channel so developers can plug in quickly. • A white-label, multi-tenant web portal that my reseller and enterprise clients can brand, manage users, run campaigns and pull real-time reports from. Core expectations • Channel coverage – outbound & inbound SMS, programmable Voice, WhatsApp Business, standard Email plus Viber and RCS, all routed through carrier-grade connections. • Unified contact, template and campaign manager that works identically across channels. • Role-based access with usage, billing and margin controls per tenant. • Live delivery & call status dashboards, downloadable CDR/message logs and webhooks for events. • Secure authentication (OAuth2 / token), GDPR-ready data handling and horizontal scalability (container or micro-services architecture is fine as long as it scales). • Deployment to my own cloud account (AWS, GCP or Azure—happy to follow your recommendation) with CI/CD scripted. Acceptance criteria 1. End-to-end test showing a single contact reached on at least three channels (SMS, Voice, WhatsApp). 2. Reseller logs in, creates a sub-tenant, customises logo and successfully sends traffic. 3. API reference (Swagger / OpenAPI) and brief admin manual delivered. If you have built telecom, CPaaS or omnichannel marketing products before, let’s talk—code quality, security and future extensibility matter more than rushing out a demo.
Proje No: 40035557
41 teklifler
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41 freelancer bu proje için ortalama ₹414.756 INR teklif veriyor

Hi there, I have my own team and we can build your complete Communication-Platform-as-a-Service where businesses and resellers can send messages and make calls across SMS, Voice, WhatsApp, Email, Viber, and RCS from a single, unified platform. We will deliver a clean REST/JSON API for each channel so developers can integrate quickly, along with a white-label, multi-tenant web portal where resellers and enterprise clients can brand the interface, manage users, run campaigns, and pull real-time reports. We will make sure the platform includes unified contact, template, and campaign management across all channels, role-based access with usage and billing controls per tenant, live dashboards with downloadable logs, and secure authentication. We will architect it for horizontal scalability using a microservices approach and deploy it to your preferred cloud environment with full CI/CD automation. I would request to connect so I can understand your specific channel priorities, reporting needs, and tenant management requirements, then we can share a detailed document with timeline, milestones, and delivery plan. Thanks, Rahul A.
₹500.000 INR 100 gün içinde
8,5
8,5

Hello there, I can develop a comprehensive CPaaS platform that supports SMS, Voice, WhatsApp, Email, Viber, and RCS integration. The platform will feature a REST/JSON API for each channel, enabling quick developer integration. Additionally, I'll create a white-label, multi-tenant web portal for resellers and enterprises to manage users, campaigns, and real-time reports. The solution will include outbound and inbound capabilities, a unified contact and campaign manager, role-based access, and live status dashboards. Security will be ensured through OAuth2 authentication and GDPR compliance, with horizontal scalability on your preferred cloud platform. Questions: • Do you have a preferred choice among AWS, GCP, or Azure for deployment? • Are there specific features or integrations you prioritize for the initial launch? With my experience in telecom and CPaaS development, I can ensure high code quality, security, and extensibility. I look forward to delivering a robust platform tailored to your specifications. Thanks and best regards, Kamran
₹325.000 INR 25 gün içinde
8,3
8,3

Dear Jyothishwar, I'm writing regarding your 'Multi-Channel CPaaS Platform Development' project. I've thoroughly reviewed your vision for a unified platform supporting SMS, Voice, WhatsApp, Email, Viber, and RCS, complete with a clean REST/JSON API and a white-label multi-tenant web portal. Having extensive experience in building robust telecom, CPaaS, and omnichannel marketing solutions, particularly with scalable, secure architectures (microservices, containerization, OAuth2), and carrier-grade integrations, I'm confident in delivering on your core expectations. Our approach would focus on developing a highly scalable, GDPR-ready platform with meticulous attention to code quality, ensuring seamless end-to-end functionality across channels, unified management, and comprehensive real-time reporting. We'll implement CI/CD for deployment to your preferred cloud (AWS, GCP, Azure) and meet all acceptance criteria, including API documentation and multi-tenant branding. I'm eager to discuss how we can bring this powerful platform to life. Let's schedule a call to explore the details further. Sincerely, Navneet
₹250.000 INR 7 gün içinde
7,7
7,7

Hello there, I have 10+ years of experience building telecom and CPaaS-style communication systems, including SMS/Voice, WhatsApp Business, Email and multi-tenant white-label portals with scalable cloud deployments. I’d be happy to help architect and deliver the unified API layer and reseller portal you described, with strong security, reporting, and CI/CD. Why Choose Me? Extensive Experience: Successfully delivered 100+ projects, earning excellent feedback from satisfied clients. Proven Skills: Strong expertise in managing complex requirements and transforming ideas into functional, high-quality applications. Client-Centric Approach: Check my profile to see glowing reviews from previous clients that highlight my ability to exceed expectations. Let’s schedule a short freelancer call to discuss architecture options and milestones. Best regards, Shivpal S
₹250.000 INR 15 gün içinde
7,4
7,4

With my 9+ years of extensive experience in Mobile and Web Development, we can handle your Multi-Channel CPaaS Platform Development project with utmost proficiency. My track record includes developing and delivering E-commerce and CMS based websites and mobile apps that are secure, scalable and high-performing. When it comes to your project, I understand the need for a clean REST/JSON API which can be easily integrated by developers. My skillset helps me to create APIs that are robust, well-documented (Swagger / OpenAPI) and standards-compliant. I also have substantial knowledge in Android and iOS development which will help ensure that the platform is cross-platform compatible. Moreover, being adept in technologies like PHP, Java and .NET - I assure you a synchronized management of channels such as SMS, Voice calls, Email and more. Furthermore,GDPR-ready data handling is well within my purview—guaranteeing data privacy and security for your clients. To top it off, I offer free 3 months support post-delivery to realign or eliminate any issues. In essence, choosing us translates to getting a comprehensive CPaaS platform endowed with smooth user management capabilities, customizable branding options for resellers plus live delivery & call status dashboards. Let's discuss how we bring an upgraded level of excellence to your project!
₹375.000 INR 7 gün içinde
5,4
5,4

Hi, I like your job. I am a developer with strong experience building CPaaS style platforms that manage multi channel communication, automation flows, and integration with messaging APIs. I have worked on systems that support WhatsApp, SMS, email, voice, and chat channels with clean dashboards and reliable backend architecture. Here is how I can contribute to your project: 1. Multi Channel Messaging: I can build a platform that connects with WhatsApp, SMS gateways, email APIs, or any channel you need, with smooth sending and receiving flows. 2. API Integration: I can set up secure and clean integrations with third party providers like Twilio, MessageBird, Vonage, or custom APIs. 3. Automation Flows: I can add triggers, workflows, templates, scheduling, routing rules, and real time message tracking to keep communication fully automated. 4. Dashboard and UI: I design simple and clear admin panels for managing contacts, channels, logs, reports, and configuration settings. 5. Performance and Security: I ensure stable architecture, secure data handling, fast processing, failover logic, and scalable infrastructure. I can give you the timeline and cost after getting the full information. Let us discuss your project further via Chat. Looking forward to your response. Thanks, Faizan
₹275.000 INR 7 gün içinde
5,4
5,4

Hey Jyothishwar, Experienced CPaaS architect ready to build your complete Communication Platform with REST/JSON APIs for SMS, Voice, WhatsApp Business, Email, Viber, and RCS plus white-label multi-tenant web portal featuring unified campaign management, role-based billing, real-time dashboards, and GDPR-compliant data handling. I will integrate carrier-grade Twilio/Nexmo for SMS/Voice/RCS, WhatsApp Business API, Viber REST API, and transactional email services (SendGrid/Mailgun) through a scalable Node.js/Express microservices backend with PostgreSQL and Redis. The white-label portal offers tenant customisation, usage analytics, webhook delivery, and downloadable CDRs. OAuth2 auth, horizontal scaling via Docker/Kubernetes, and CI/CD deployment to your AWS/GCP/Azure account ensure production readiness. I will focus on your requirements. I worked on similar projects and can share upon request. Let’s discuss timeline and budget based on these details via chat. Regards, Atta
₹415.000 INR 25 gün içinde
5,1
5,1

With my solid background in mobile app and web development, I am confident that I can deliver a top-notch, multi-channel CPaaS platform that will exceed your expectations. Over the past five years, I have honed my skills in Android and iPhone app development, PHP, HTML5, CSS, JavaScript, jQuery, and API development - all of which are integral to this project. I have previously built apps for a wide range of industries including taxi booking, home services, food ordering and more. This experience has given me a deep understanding of the complexities involved in developing an application like yours that demands a high level of interface with various channels and carriers. Ensuring secure authentication using OAuth2 and GDPR-ready data handling will be among my top priorities. Additionally, deploying to AWS, GCP or Azure is already within my expertise domain and I look forward to scripting your CI/CD operations as per your requirements. Overall, I believe my technical expertise coupled with my passion for delivering quality work makes me the perfect fit for this project. Looking forward to discussing more details with you.
₹375.000 INR 7 gün içinde
5,3
5,3

Drawing on our extensive experience in Web Design and Development, we are well-equipped to deliver your dream multi-channel CPaaS platform. Our proficiency in Java, API development combined with our mobile app development and cutting-edge web designing skills will ensure a robust platform with clean REST/JSON API and a white-label, multi-tenant web portal that aligns seamlessly with your requirements. Having served diverse domestic and international clientele for over 7 years now, we understand the significance of user experience across devices, data security, and the importance of code quality for future extensibility. That's precisely why we give utmost importance to these elements of product development. What also sets us apart is our dedication to client satisfaction and our commitment to delivering on-time. Once deployed to your own cloud account (recommended: AWS, GCP or Azure), you can expect live delivery & call dashboards, downloadable CDR/message logs along with OAuth2 / token-based secure authentication plus GDPR-ready data handling from our end. Let's join forces to ensure your project success!
₹375.000 INR 7 gün içinde
4,6
4,6

Hello, Your vision for a full Communication-Platform-as-a-Service aligns strongly with my experience building telecom-grade CPaaS, messaging gateways and multi-tenant SaaS platforms. I can deliver a secure, extensible system covering SMS, Voice, WhatsApp, Email, Viber and RCS with both a clean REST/JSON API layer and a white-label portal for resellers and enterprises. My approach: • Architect a scalable microservices or container-based system on AWS/GCP/Azure with CI/CD and horizontal scaling. • Implement carrier-grade routing for all channels with unified contacts, templates and campaign management. • Build a multi-tenant, fully white-label portal with role-based access, usage controls, margins and billing visibility. • Deliver real-time delivery/call dashboards, CDR/message logs, and webhook event streaming. • Provide secure OAuth2/token authentication and GDPR-compliant data handling across all modules. • Prepare complete Swagger/OpenAPI documentation plus an admin guide. Acceptance will include: End-to-end multi-channel test (SMS, Voice, WhatsApp), Reseller → sub-tenant flow with branding + live traffic, Complete API reference. I prioritise code quality, reliability and long-term extensibility, ensuring the platform is ready for commercial scale. Let’s discuss technical choices, architecture and timelines. Best regards, Amaan Khan P. CUBEMOONS PVT LTD.
₹375.000 INR 7 gün içinde
3,2
3,2

We design & ship CPaaS platforms (API + white-label multi-tenant portal, channels, webhooks, billing, dashboards) and can build your omni-channel stack with secure OAuth2 auth, GDPR controls, carrier integrations, and CI/CD deployment to your cloud. Reality check: your posted range (₹2.5–5L) is below market for a robust, production CPaaS. A fair estimate for a secure, scalable MVP + carrier integrations is ₹12–30 Lakh INR with a 4–6 month delivery (staged milestones: core API & SMS/Voice → WhatsApp/Email/Viber/RCS → multi-tenant portal → hardening & docs). Includes: REST APIs (OpenAPI), white-label portal, multi-tenant RBAC, live CDR/logging, webhooks, deployment scripts, and handover. One question: Which cloud do you prefer (AWS/GCP/Azure) and do you already hold any carrier/WhatsApp Business partnerships or SIP trunks?
₹1.200.000 INR 120 gün içinde
2,2
2,2

Drawing from my extensive seven years of full-stack development experience, Beta IT Solution is ideally equipped to tackle your Multi-Channel CPaaS Platform Development project. We have successfully delivered over 50 web and mobile projects globally and have in-depth knowledge of building API-centric solutions with robust security measures. Our main motive is to provide our clients, regardless of whether they are startups or enterprises, innovative, scalable, and cost-effective digital solutions that can make a visible difference in their business. Having worked with AWS, GCP, and Azure extensively, we can ensure a seamless and efficient deployment of your platform according to your preferred choice. Additionally, our proficiency in creating RESTful APIs coupled with our expertise in handling OAuth2 security protocols will enable us to develop the necessary clean REST/JSON API for each channel and the white-label web portal exactly as you require
₹250.000 INR 7 gün içinde
1,8
1,8

Hello, I can build your full multi-channel CPaaS platform with a clean REST API and a white-label multi-tenant portal exactly as specified. I specialize in telecom-grade messaging systems, scalable microservices and secure API-driven communication stacks. Here’s what I will deliver: ✔ Complete API Suite (REST/JSON) SMS, Voice, WhatsApp Business, Email (SMTP/Gmail compatible), Viber & RCS — each with outbound/inbound routing, webhooks, delivery reports, rate-limiting and token-based auth. ✔ White-Label Multi-Tenant Portal Custom branding per reseller, user roles, margins & billing controls, usage dashboards, contact manager, templates and omni-channel campaign builder. ✔ Carrier-Grade Architecture Microservices (Node.js/Go), message queues (Kafka/RabbitMQ), scalable workers, Redis caching, PostgreSQL for structured data, and S3-compatible storage. Fully containerized with CI/CD. ✔ Real-Time Dashboards Live SMS/Voice/WhatsApp status, CDR/message logs, export tools, and webhook event monitor. ✔ Deployment Setup on AWS/GCP/Azure with autoscaling, monitoring, logs and hardened security (OAuth2, GDPR-ready data model). ✔ Documentation & Acceptance Tests Full OpenAPI/Swagger docs + admin manual + end-to-end multi-channel test flow. Ready to start immediately and can provide a modular build that scales as your traffic grows. Best Regards, Resonite Technologies
₹575.000 INR 7 gün içinde
0,0
0,0

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