Build AI Blog Writer SaaS Using React & FastAPI | SEO Content Generator | Part 1

AI Prompt for Building the AI Blog Writer SaaS

In this tutorial, we build a complete AI Blog Writer SaaS application where users can generate SEO optimized blog articles using artificial intelligence. This project is fully self-hosted and uses open-source AI models without relying on any paid APIs. You can copy the prompt below and paste it into any AI coding assistant to generate the entire full-stack SaaS application automatically.


Build a full-stack AI Blog Writer SaaS application where users can generate SEO optimized blog articles using artificial intelligence.

TECH STACK

Frontend

React.js
Tailwind CSS
Axios
JWT authentication

Backend

Python FastAPI
REST API architecture
Custom AI text generation model
NLP using open-source libraries

Database

MySQL


PROJECT STRUCTURE

project-root/

frontend/
backend/
database/


FRONTEND REQUIREMENTS

Landing Page

* Product introduction
* Pricing section
* Login / Signup buttons

Authentication

* Signup
* Login
* JWT storage
* Protected routes

Dashboard

* Welcome message
* Blog generator form

Blog Generator Tool

Inputs:

* Blog Topic
* Keywords
* Blog Length (Short / Medium / Long)
* Writing Tone (Professional / Casual / Informative)

Button:
Generate Blog

After generation:

* Call backend API
* Display generated blog
* Copy / download option


Blog History

* View all generated blogs
* Delete option


Account Settings

* Profile information
* API usage stats


BACKEND REQUIREMENTS

APIs

POST /api/auth/register
POST /api/auth/login

POST /api/blog/generate
GET /api/blog/history
DELETE /api/blog/delete/{id}

Features

* JWT authentication
* Input validation
* Logging
* Error handling


AI ENGINE

Use open-source tools:

* HuggingFace transformers
* GPT2 small model
* nltk
* spaCy

Steps:

1. Load pre-trained model
2. Fine-tune with blog dataset
3. Generate blog using prompt

Prompt Example:

Write a detailed SEO optimized blog about: {topic}
Include keywords: {keywords}
Tone: {tone}
Length: {length}

Output:

Title
Introduction
Main Sections
Conclusion


DATABASE DESIGN

users

id
name
email
password
created_at

blogs

id
user_id
topic
keywords
generated_content
created_at


SAAS FEATURES

* Free vs Pro plans
* Usage limits
* Rate limiting
* API usage tracking
* Export blog to PDF


SECURITY

* bcrypt password hashing
* JWT authentication
* CORS setup
* SQL injection protection


DELIVERABLES

* Complete working SaaS app
* Clean folder structure
* API documentation
* Sample dataset
* Setup instructions