🔐 SaaS API Key & Rate Limiting Platform

🎥 Demo

Click below to watch the demo:

👉 https://www.loom.com/share/7006b1576cb74833b8628bb0db300c5a

📌 What This Demo Shows

• User authentication
• API key generation
• Rate limiting (prevents abuse)
• Usage tracking

This system adds a control layer to APIs to keep them secure and stable.

A production-style backend system built with FastAPI that provides:

• API key authentication
• Redis-based rate limiting
• Usage tracking
• Plan-based access control (Free / Pro / Enterprise)

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🚀 Features

• 🔑 API Key Generation & Validation
• ⚡ Rate Limiting using Redis
• 📊 Usage Tracking (requests count, last used)
• 🧠 Plan-based limits (Free / Pro / Enterprise)
• 🔐 JWT Authentication system
• 🧩 Plug-and-play dependency for any API

---

🛠 Tech Stack

• FastAPI
• PostgreSQL
• Redis
• SQLAlchemy

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📦 Project Structure

app/
  core/
  db/
  models/
  routes/
  services/

---

⚙️ Setup

1. Clone repo

git clone https://github.com/your-username/saas-api-platform.git
cd saas-api-platform

2. Create virtual environment

python -m venv venv
source venv/bin/activate

3. Install dependencies

pip install -r requirements.txt

4. Setup environment variables

Create .env from .env.example

5. Run server

uvicorn app.main:app --reload --port 8001

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🔑 Example Usage

Generate API Key (after login)

Test API Key

curl -H "X-API-Key: YOUR_API_KEY" \
http://127.0.0.1:8001/api/v1/api-keys/test-api-key

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📊 Rate Limiting

• Free → 10 requests/min
• Pro → 100 requests/min
• Enterprise → 1000 requests/min

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🧠 Use Cases

• Protect your API from abuse
• Add API key authentication to your SaaS
• Track usage per client
• Build paid API services

---

🚀 Future Improvements

• Dashboard UI
• Billing integration
• Analytics
• Multi-project support

---

🤝 Contributing

Pull requests welcome.

---

🔐 SaaS API Key & Rate Limiting Platform

A production-style backend system built with FastAPI that provides:

• API key authentication
• Redis-based rate limiting
• Usage tracking
• Plan-based access control (Free / Pro / Enterprise)

---

🚀 Features

• 🔑 API Key Generation & Validation
• ⚡ Rate Limiting using Redis
• 📊 Usage Tracking (requests count, last used)
• 🧠 Plan-based limits (Free / Pro / Enterprise)
• 🔐 JWT Authentication system
• 🧩 Plug-and-play dependency for any API

---

🛠 Tech Stack

• FastAPI
• PostgreSQL
• Redis
• SQLAlchemy

---

📦 Project Structure

app/
  core/
  db/
  models/
  routes/
  services/

---

🚀 Setup

git clone <repo>
cd api-control-platform

python -m venv venv
source venv/bin/activate

pip install -r requirements.txt

cp .env.example .env
# fill values

uvicorn app.main:app --reload

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## 🔑 Example Usage

### Generate API Key (after login)

### Test API Key

curl -H "X-API-Key: YOUR_API_KEY"
http://127.0.0.1:8001/api/v1/api-keys/test-api-key

---

## 📊 Rate Limiting

* Free → 10 requests/min
* Pro → 100 requests/min
* Enterprise → 1000 requests/min

---

## 🧠 Use Cases

* Protect your API from abuse
* Add API key authentication to your SaaS
* Track usage per client
* Build paid API services

---

## 🚀 Future Improvements

* Dashboard UI
* Billing integration
* Analytics
* Multi-project support

---

## 🤝 Contributing

Pull requests welcome.

---

## 📜 License

MIT