Working with API - Echat

Hello.

I can implement the task. I have experience in similar projects. The deadlines and cost are approximate - need to discuss the details.
Write, I will do everything quickly and efficiently.

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Hello, I will complete your task. Feel free to contact me, I will be glad to cooperate!

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Good day.
Our team has many years of experience in developing ERP, CRM, CMS, and specialized business software. We create effective digital solutions that help automate processes, increase productivity, and scale companies.

We work with modern technologies — from bots and scripts to AI agents and analytical systems. Our portfolio includes implemented ERP solutions for the hotel industry, as well as our own product XFitness — an ERP system specifically designed for fitness clubs.

We are ready to implement your project and offer the best solution tailored to your needs.

We specialize in the following areas:
- ERP System Development
… - CRM System Development
- Website Development of any complexity
- CMS System Development
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- ECommerce Support
- ECommerce Modification
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and on these technologies:
- Python
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Good morning, it can be implemented through Zapier:
Solution architecture:
1. Facebook Leads → Zapier
2. Zapier Webhook → our Webhook server (for example, on FastAPI / Flask / Node.js / PHP, etc.)
3. Number validation + sending to eChat API

There is also an alternative option.

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Hello. I am ready to write a separate backend that will receive data and send it via API

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Hello! I will create a web server that receives a webhook and sends the data obtained from the webhook via API.

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Hello! As I understand it, you want to send WhatsApp messages via the Echat API using Zapier and a special webhook.

I will develop a secure webhook that Zapier will send data to via POST method. The webhook will check the incoming lead data, the phone number format, and automatically add the correct country code if it is missing. Then it will use the Echat API to send the WhatsApp message.

For error handling, such as incorrect numbers or WhatsApp being unavailable on the line, I will analyze the Echat API response and return structured logs or retry logic if necessary. If desired, I can deploy this on Vercel, Railway, or any cloud function to avoid server setup.

I have developed several similar API automation schemes and can provide a clean, documented, and testable integration. Here is my profile: Freelancehunt
Portfolio: https://freelancehunt.com/showcase/work/whatsapp-bot-development-real-time-automation/1957826.html
Do you prefer a ready-made Zapier Webhook + Function application or a separate endpoint that can be used in other tools?
…
Looking forward to working with you.
Best regards,
Tatyana

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Hello!
I can take on the development of the system you need. I have experience working with many APIs, developing web servers, and working with messengers. I will write a server in Python (FastAPI) and webhook, we can connect Zapier and implement sending Echat from the server.
Ready to cooperate!

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