I will integrate meta whatsapp cloud API or custom webhooks in your backend


About this gig
Are you looking to connect the official Meta WhatsApp Cloud API to your backend or website?
I am a backend developer specialized in building secure, production-ready API integrations, webhook handlers, and automated messaging workflows.
What I can do for you:
WhatsApp Cloud API setup and verification with Meta.
Webhook configuration to receive messages, status updates, and media in real time.
Secure payload verification using HMAC SHA-256 signatures.
Automated outbound messaging (notifications, order alerts, customer replies).
Database persistence (PostgreSQL, MySQL, DynamoDB).
Full Docker containerization (Docker Compose) for simple deployment.
Supported Backends:
TypeScript / Node.js, Python (Flask, FastAPI, Django), Java (Spring Boot), or custom REST webhooks.
Why choose me?
Clean, maintainable, and well-documented code.
Focus on security, data integrity, and error handling.
Tested endpoints with Postman collections included.
Please message me before placing an order so we can review your requirements and ensure a smooth setup!
Get to know Tomas Klaus
Backend Developer specializing in Java, Python, and Docker
- FromArgentina
- Member sinceNov 2025
Languages
English, Spanish, Italian, Portuguese
My Portfolio
FAQ
Do I need a Meta Business Account?
Yes, to use the official WhatsApp Cloud API you need a Meta Business Account and a Meta Developer app. If you don't have it ready, I can guide you through the setup.
What backend languages do you support for this integration?
I primarily work with TypeScript/Node.js, Python (Flask/FastAPI), and Java (Spring Boot). If you have a specific stack, feel free to ask.
Will I receive documentation or a test collection?
Yes, every order includes clear setup instructions and an exported Postman collection to test the integration immediately
