AI Chatbot & API β€” Made for Bangladesh

Add an AI Chatbot
to Your Website in Minutes

Embed a powerful AI chatbot on any website or WordPress site with a single line of code. Feed it your own knowledge base. When you don't need AI, it's completely free β€” a human agent handles everything.

Free without AI
1-line install
Works on WordPress
Pay via bKash
Custom Knowledge Base
WordPress Ready
GPT4BD ChatBot
AI Powered Support Agent
Live
πŸ‘‹ Hi! I'm an AI-powered support bot. Ask me anything about your products, services, or policies!

We Offer 2 Powerful Services β€” Pick What You Need

Choose your service
1
AI ChatBot Widget

Add a Smart Chatbot
to Any Website

Drop one line of code on your site and get a fully-hosted AI chat widget β€” powered by GPT-4o-mini, trained on your own FAQs. Human agent dashboard included. Free when AI is off.

1-Line Install WordPress Ready Custom Knowledge Free (no AI) AI ↔ Human Handoff
GPT4BD ChatBot Live
πŸ‘‹ Hello! How can I help you today?
What are your working hours?
βŒ› Typing...
2
Custom Chat API

OpenAI-Compatible API
Pay with bKash

Use GPT-4o, GPT-4o-mini & Turbo through our local proxy. No foreign card needed β€” just change the Base URL and API key in your existing code. Works with any OpenAI SDK.

Drop-in Replacement bKash / Nagad GPT-4o & Turbo Usage Dashboard Prepaid Tokens
API Integration Compatible
{
  "base_url": "https://gpt4bd.com/api/v1",
  "api_key": "gpt4bd-your-key",
  "model": "gpt-4o"
}
Explore features below
ChatBot Widget

Everything You Need in One
Smart Chat Widget

Deploy an intelligent chatbot on your website or WordPress in seconds. Train it with your own knowledge, switch between AI and human agents anytime.

One-Line Installation

Copy a single <script> tag into your website or WordPress footer. Your chatbot is live instantly β€” no coding required.

Custom Knowledge Base

Train the chatbot with your FAQs, product info, and policies. The AI only answers based on your supplied knowledge β€” accurate and on-brand.

AI Off = Completely Free

Disable AI and let your human agents reply directly from the admin dashboard. Zero cost, zero configuration β€” perfect for small businesses.

Works on WordPress

Paste the script into your WordPress theme's footer or use any header/footer plugin. No plugin installation or setup required.

AI ↔ Human Handoff

When a user requests a human agent, the AI flags it in your dashboard in real time. You take over the conversation with one click.

Domain Whitelisting

Restrict each widget to your domains only. Prevent unauthorized usage of your widget token from other websites.

Quick Setup

Live on your site
in 3 simple steps

No developer needed. Works on any website, WordPress, or custom-built platform. Just paste, publish, done.

Full Integration Guide
1
Create a Widget in Your Dashboard

Register a free account, go to Chat Widgets, and create your widget. Give it a name, pick your theme color and position.

2
Add Your Knowledge Base (Optional)

Click Knowledge on your widget to add Q&A pairs, product info, policies, or any custom information. The AI will use only this data to reply.

3
Paste the Script into Your Website

Copy your unique one-liner and add it just before </body> on your website, or use any header/footer plugin on WordPress.

<script src="https://gpt4bd.com/widget.js" data-token="YOUR_WIDGET_TOKEN" defer></script>
Our Products

ChatBot Widget & API Service

Whether you're building a customer support bot or integrating AI into your app β€” we've got you covered.

#1 Product β€” ChatBot Widget

AI ChatBot for Your Website

A fully hosted, embeddable chat widget β€” no backend setup needed. Powered by GPT-4o-mini with your own knowledge base.

  • Single line of code installation
  • Works on any website & WordPress
  • Custom Q&A Knowledge Base
  • AI on/off toggle per widget
  • Human agent dashboard
  • Free without AI β€” minimal cost with AI
Start for Free
#2 Product β€” API Service

OpenAI-Compatible API

Use GPT-4o, GPT-4o-mini, and Turbo through our local proxy. Pay with bKash β€” no foreign card needed.

  • 100% OpenAI API compatible
  • Just change Base URL & API Key
  • GPT-4o, GPT-4o-mini, Turbo
  • Prepaid token system
  • Local payment: bKash / Nagad
  • Usage dashboard & API logs
API Documentation
Pricing

Simple, Transparent Pricing

ChatBot widget is free without AI. Add AI for minimal tokens. API access uses token-based pricing.

ChatBot Widget Pricing
βœ… Most Popular

Human Agent Mode

AI Disabled on Widget

Free
Forever β€” no token needed

Embeddable chat widget
Admin chat room dashboard
Reply from web browser
File & image sharing
0 tokens per message
API Service Pricing
Model Air

gpt-4o-mini

ΰ§³0.005
per API request
1 token charged
Fastest speed
High volume
Simple tasks
Most Popular
Model Pro

gpt-4o

ΰ§³0.025
per API request
5 tokens charged
Complex reasoning
Coding & logic
Balanced performance
Model Pro Max

gpt-4-turbo

ΰ§³0.075
per API request
15 tokens charged
Most capable
Deep analysis
Long context

Token packages from 5.00 BDT per 1,000 tokens. Pay via bKash, Nagad, or Bank Transfer.

Get Started Today

Add a Smart Chatbot to Your Website β€” For Free

Create your widget in 2 minutes. No credit card needed. Upgrade to AI power anytime with local payment methods.

No subscription  Β·  Free human agent chat  Β·  Local payments