Auto-login Registration API

Production-ready Flask API for instant user registration & login with JWT tokens.
Includes rate-limiting, SQLite, Docker support.
Perfect for SaaS, MVPs, rapid prototyping, and instant product launch.

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🚀 Features

• Register & auto-login: one request, instant JWT token
• Secure login: email + password (hashed, never plain)
• JWT authentication: stateless, scalable
• SQLite out of the box: change DB in 1 line
• Rate limiting: brute-force protection for both registration & login
• Docker-ready: deploy in seconds
• .env support: easy configuration
• Clean project structure: easy to scale and maintain
• Fully tested: all endpoints verified with Postman

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📦 Endpoints

POST /register

Request:

{
  "email": "[email protected]",
  "password": "mysecret123"
}

Response:

{
  "access_token": "<JWT>"
}

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POST /login

Request:

{
  "email": "[email protected]",
  "password": "mysecret123"
}

Response:

{
  "access_token": "<JWT>"
}

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⏱️ Rate Limits

• /register: 5 per hour
• /login: 10 per hour

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⚡ Quick Start

Run with Docker (recommended)

docker build -t auto-auth-api .
docker run -d -p 5000:5000 auto-auth-api

Run locally

pip install -r requirements.txt
python app.py

.env example

JWT_SECRET_KEY=your-jwt-secret-here
DATABASE_URI=sqlite:///users.db

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🖼️ Screenshots

• run_server.png — API server running
• register_postman.png — registration in Postman
• login_postman.png — login in Postman

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💡 Use cases

• Quick SaaS/MVP launches
• Instant integration into any backend

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💡 You can see real examples on the Gumroad gallery.

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💼 Ready-to-Use Version

You can get a ZIP version with all files, setup instructions, .env.example, and more:

👉 Buy it on Gumroad

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📬 Contact

Need this functionality in another language or stack (Node.js, Go, etc)?
Contact the author: [email protected]
Telegram: @talabovali

Note: Pricing may vary depending on complexity and target stack.

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Production ready. 100% manually tested. Ready for deployment and monetization!