### Install Dependencies and Set Up Environment

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/executive-intelligence.mdx

Clone the repository, install npm dependencies, and copy the environment example file to set up your local environment variables.

```bash
git clone https://github.com/raishs/perplexityhackathon.git
cd perplexityhackathon

npm install

cp .env.example .env.local
```

--------------------------------

### Podbean Integration Setup

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Installs and runs the Podbean integration module for Ellipsis. This involves installing the package and starting the MCP server and client.

```bash
cd backend/integrations/podbean_mcp
pip install -e .
python server.py
python client.py server.py
```

--------------------------------

### Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/financial-news-tracker/README.mdx

Install the necessary Python packages for the financial news tracker. Use the requirements file for recommended setup or install manually.

```bash
pip install -r requirements.txt
```

```bash
pip install requests pydantic
```

--------------------------------

### Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/discord-py-bot/README.mdx

Set up a virtual environment and install the necessary Python packages for the bot.

```bash
# Create a virtual environment (recommended)
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

# Install required packages
pip install -r requirements.txt
```

--------------------------------

### Start Backend and Frontend Applications

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/4point-Hoops.mdx

Instructions to start the backend Python Flask API and the frontend React application. Ensure the backend is running before starting the frontend to avoid connection issues.

```bash
cd 4Point-Hoops-Server
python app.py

cd hoop-ai-frontend-44
npm run dev
```

--------------------------------

### Run Example Script

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/articles/memory-management/chat-with-persistence/README.mdx

Executes the example usage script to test the persistent chat functionality.

```bash
python3 scripts/example_usage.py
```

--------------------------------

### Install Perplexity Lens

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/perplexity-lens.mdx

Clone the repository, navigate to the directory, install dependencies, and build the extension.

```bash
# Clone the repository
git clone https://github.com/iamaayushijain/perplexity-lens.git
cd perplexity_lens

# Install dependencies
npm install

# Build the extension
npm run build
```

--------------------------------

### Clone Repository and Setup

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/sonar-chromium-browser.mdx

Clone the repository and follow README for detailed Chromium setup instructions before applying patches.

```bash
git clone https://github.com/KoushikBaagh/perplexity-hackathon-chromium.git
cd perplexity-hackathon-chromium

# Apply patches to Chromium source
# Follow the README for detailed Chromium setup instructions
```

--------------------------------

### Start Backend and Frontend Servers

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/monday.mdx

Start the backend server using Node.js and then launch the frontend development server. This is necessary to run the Monday application.

```bash
# Start Backend Server
node backend-server.js

# Start frontend
npm run dev
```

--------------------------------

### Clone and Install Briefo Project

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/briefo.mdx

Clone the Briefo public repository and install its dependencies using npm.

```bash
git clone https://github.com/adamblackman/briefo-public.git
cd briefo-public
npm install
```

--------------------------------

### Start Frontend Development Server

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/first-principle.mdx

Navigate to the client directory and run the npm start command to launch the React frontend. The client will be accessible at http://localhost:3000.

```bash
cd client
npm start
```

--------------------------------

### Install and Build Chrome Extension

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/uncovered.mdx

Commands to clone the repository, install dependencies, and build the Chrome extension.

```bash
# Clone the repository
git clone https://github.com/aayushsingh7/UnCovered.git
cd UnCovered

# Install dependencies
npm install

# Build the Chrome extension
npm run build
```

--------------------------------

### Backend Installation

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Installs backend dependencies for Ellipsis. Ensure you are in the 'backend' directory and have Python 3.10+ and pip installed. Activate your virtual environment before running.

```bash
cd backend
python -m venv venv
source venv/bin/activate    # macOS/Linux
pip install -r requirements.txt
```

--------------------------------

### Install Project Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/flow-and-focus.mdx

Installs project dependencies and sets up environment variables. Ensure Node.js 18+ and npm are installed.

```bash
git clone https://github.com/michitomo/NewsReel.git
cd NewsReel

npm install

cp .env.example .env.local
```

--------------------------------

### Quick Start Fact Check

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/fact-checker-cli/README.mdx

Run a quick fact check on a given claim immediately after setup.

```bash
./fact_checker.py -t "The Earth is flat and NASA is hiding the truth."
```

--------------------------------

### Install Project Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/greenify.mdx

Clone the repository and install frontend and backend dependencies using npm and pip.

```bash
git clone https://github.com/deepjyotipaulhere/greenify.git
cd greenify

npm install

cd service
pip install -r requirements.txt
```

--------------------------------

### Install Dependencies for Research Finder

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/research-finder/README.mdx

Installs the necessary Python packages for the research finder script. Use the requirements file for a streamlined setup.

```bash
pip install -r requirements.txt
```

```bash
pip install requests
```

--------------------------------

### Start Development Server

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/flow-and-focus.mdx

Launches the Next.js development server. Access the application at http://localhost:3000.

```bash
npm run dev
```

--------------------------------

### Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/fact-checker-cli/README.mdx

Install the necessary Python packages for the fact-checker CLI. It's recommended to install from a requirements file.

```bash
pip install -r requirements.txt
```

```bash
pip install requests pydantic newspaper3k
```

--------------------------------

### Start TruthTracer Backend and Frontend

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/truth-tracer.mdx

Run the backend development server and the frontend development server to access the application locally.

```bash
cd truth-tracer-backend
npm run start:dev

cd truth-tracer-front
npm start
```

--------------------------------

### Quick Start: Track Tech Stocks

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/financial-news-tracker/README.mdx

Run the tracker to get the latest financial news and analysis for 'tech stocks'. This command fetches recent news, analyzes sentiment, and provides insights.

```bash
./financial_news_tracker.py "tech stocks"
```

--------------------------------

### Clone and Install Frontend and Backend Repositories

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/4point-Hoops.mdx

Clone the frontend and backend repositories for the 4Point Hoops application and install their respective dependencies. Ensure Node.js 16+ and Python 3.8+ are installed.

```bash
git clone https://github.com/rapha18th/hoop-ai-frontend-44.git
cd hoop-ai-frontend-44
npm install

git clone https://github.com/rapha18th/4Point-Hoops-Server.git
cd 4Point-Hoops-Server
pip install -r requirements.txt
```

--------------------------------

### Install Perplexity Client Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/perplexity-client.mdx

Clone the repository, navigate to the directory, and install project dependencies using npm.

```bash
git clone https://github.com/straight-heart/Perplexity-client-.git
cd Perplexity-client-

npm install

npm run dev
```

--------------------------------

### Run Briefo Development Server

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/briefo.mdx

Start the Expo development server to run the Briefo application locally.

```bash
npx expo start
```

--------------------------------

### Start Backend Server

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/first-principle.mdx

Navigate to the flask-server directory and run the Python script to start the backend server. The server will be accessible at http://localhost:5000.

```bash
cd flask-server
python server.py
```

--------------------------------

### Install and Build Obsidian Plugin

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/daily-news-briefing.mdx

Commands to clone the repository, install dependencies, and build the Obsidian plugin.

```bash
# Clone the repository
git clone https://github.com/ChenziqiAdam/Daily-News-Briefing.git
cd Daily-News-Briefing

# Install dependencies
npm install

# Build the plugin
npm run build
```

--------------------------------

### Launch Frontend

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Starts the Ellipsis frontend development server. Navigate to the 'frontend' directory before running this command.

```bash
cd frontend
npm run dev
```

--------------------------------

### Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/articles/memory-management/chat-summary-memory-buffer/README.mdx

Install the necessary LlamaIndex and OpenAI libraries. Ensure versions are compatible with the project requirements.

```text
llama-index-core>=0.10.0
llama-index-llms-openai>=0.10.0
openai>=1.12.0
```

--------------------------------

### Install Backend and Frontend Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/perplexicart.mdx

Clone the repository and set up the backend (FastAPI) and frontend (Next.js) dependencies using pip and npm/yarn.

```bash
git clone https://github.com/fizakhan90/perplexicart.git
cd perplexicart

# Backend (FastAPI) setup
cd backend
python -m venv .venv
source .venv/bin/activate  # Windows: .venv\Scripts\activate
pip install -r requirements.txt

# Frontend (Next.js) setup
cd ../frontend
npm install
```

--------------------------------

### Install Project Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/bazaar-ai-saathi.mdx

Clone the repository and install the necessary Python packages for the BazaarAISaathi project. Ensure you have Python 3.8+ and pip installed.

```bash
git clone https://github.com/mahanteshimath/BazaarAISaathi.git
cd BazaarAISaathi

pip install -r requirements.txt
```

--------------------------------

### Frontend Installation

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Installs frontend dependencies for Ellipsis using npm. Navigate to the 'frontend' directory before executing this command.

```bash
cd ../frontend
npm install
```

--------------------------------

### Clone Repository and Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/mvp-lifeline-ai-app.mdx

Clone the MVP LifeLine repository and install Flutter dependencies. Ensure you have Flutter SDK and Dart installed.

```bash
# Clone the repository
git clone https://github.com/JohnUmoh/asgard.git
cd asgard

# Install Flutter dependencies
flutter pub get

# Configure Firebase
flutterfire configure

# Set up environment variables
cp .env.example .env
```

--------------------------------

### Launch Backend

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Starts the Ellipsis backend server. Ensure you are in the 'backend' directory and have activated your Python virtual environment.

```bash
cd backend
python app.py
```

--------------------------------

### Install Required Packages

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/disease-qa/disease_qa_tutorial.ipynb

Install necessary Python packages for the project using pip. Ensure you have Python 3.x installed.

```bash
pip install requests pandas jupyterlab
```

--------------------------------

### Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/disease-qa/README.mdx

Install the required Python packages for the application. It is recommended to use the requirements file if available.

```bash
pip install -r requirements.txt
```

```bash
pip install requests pandas python-dotenv ipython
```

--------------------------------

### Clone and Install Backend/Frontend Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/truth-tracer.mdx

Clone the backend and frontend repositories and install their respective Node.js dependencies.

```bash
git clone https://github.com/anthony-okoye/truth-tracer-backend.git
cd truth-tracer-backend
npm install

# Clone the frontend repository
git clone https://github.com/anthony-okoye/truth-tracer-front.git
cd truth-tracer-front

npm install
```

--------------------------------

### Example Usage: Direct API Call and Browser UI Launch

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/disease-qa/disease_qa_tutorial.ipynb

Provides example functions to test the Perplexity API directly with a question and to launch the browser-based UI. The direct API call is commented out to conserve API quota.

```python
# Step 7: Example Usage

def test_api_in_notebook():
    print("Example 1: Direct API Call")
    print("-------------------------")
    example_question = "What is diabetes?"
    print(f"Question: {example_question}")
    print("Sending request to Perplexity API...")
    # Uncomment the following lines to make an actual API call:
    # result = ask_disease_question(example_question)
    # display_results(result)
    print("(API call commented out to avoid using your API quota)")
    print("\n")

def launch_browser_app():
    print("Example 2: Launching Browser UI")
    print("-----------------------------")
    print("Generating HTML file and opening in browser...")
    path = launch_browser_ui()
    print(f"\nHTML file created at: {path}")
    print("\nIf the browser doesn't open automatically, you can manually open the file above.")
    try:
        display(HTML(f'<p>Preview of UI (may not work in all environments):</p>'))
        display(IFrame(path, width='100%', height=600))
    except Exception as e:
        print("Preview not available in this environment.")

# Run the examples
test_api_in_notebook()
launch_browser_app()

print('Example usage executed.')
```

--------------------------------

### Clone and Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/fact-dynamics.mdx

Clone the repository and install project dependencies using Flutter.

```bash
git clone https://github.com/vishnu32510/fact_pulse.git
cd fact_pulse
flutter pub get
```

--------------------------------

### Setup and Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/disease-qa/disease_qa_tutorial.ipynb

Import essential Python libraries for making API requests, handling data, and displaying output in a Jupyter environment. This step ensures all necessary modules are available.

```python
# Step 1: Setup and Dependencies

import requests
import json
import pandas as pd
from IPython.display import HTML, display, IFrame
import os
import webbrowser
from pathlib import Path

print('Setup complete.')
```

--------------------------------

### Clone Repository and Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/first-principle.mdx

Clone the First-Principle repository and set up both the backend (Flask) and frontend (React) dependencies.

```bash
git clone https://github.com/william-Dic/First-Principle.git
cd First-Principle

# Backend setup
cd flask-server
pip install -r requirements.txt

# Frontend setup
cd ../client
npm install
```

--------------------------------

### Configure Environment Variables

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/discord-py-bot/README.mdx

Copy the example environment file and update it with your Discord bot token and Perplexity API key.

```bash
cp env.example .env
```

```dotenv
DISCORD_TOKEN="your_discord_bot_token_here"
PERPLEXITY_API_KEY="your_perplexity_api_key_here"
```

--------------------------------

### Install Dependencies and Make Script Executable

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/equity-research-brief/README.mdx

Installs necessary Python packages and makes the main script executable. Ensure you are in the correct directory.

```bash
cd docs/examples/equity-research-brief
pip install -r requirements.txt
chmod +x equity_research_brief.py
```

--------------------------------

### Start Backend and Frontend Services

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/starplex.mdx

Run the backend Python FastAPI application and the frontend Next.js development server.

```bash
cd backend
python main.py
```

```bash
cd frontend
npm run dev
```

--------------------------------

### Clone Repository and Navigate

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/discord-py-bot/README.mdx

Clone the API cookbook repository and change the directory to the discord-py-bot example.

```bash
git clone https://github.com/perplexity-ai/api-cookbook.git
cd api-cookbook/docs/examples/discord-py-bot/
```

--------------------------------

### Clone Repository and Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/monday.mdx

Clone the Monday project repository and install its dependencies using npm. Ensure you are in the correct directory after cloning.

```bash
git clone https://github.com/srivastavanik/monday.git
cd monday
git checkout final
cd nidsmonday

npm install
```

--------------------------------

### Install Required Packages

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/daily-knowledge-bot/README.mdx

Install the necessary Python packages for the daily knowledge bot. It's recommended to use a requirements file if available.

```bash
pip install -r requirements.txt
```

```bash
pip install requests python-dotenv
```

--------------------------------

### Clone Repository and Navigate

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/articles/memory-management/README.mdx

Clone the API cookbook repository and navigate to the memory management directory to access implementation guides.

```bash
git clone https://github.com/your-repo/api-cookbook.git
cd api-cookbook/articles/memory-management
```

--------------------------------

### Set Environment Variables

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/articles/openai-agents-integration/README.mdx

Before running the example, set your Perplexity API key as an environment variable.

```bash
export EXAMPLE_API_KEY="your-perplexity-api-key"
```

--------------------------------

### Start Backend and Frontend Servers

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/perplexicart.mdx

Run the FastAPI backend server for API operations and the Next.js frontend server for the user interface.

```bash
cd backend
uvicorn main:app --reload  # adapt module:app if your entrypoint differs

cd ../frontend
npm run dev
```

--------------------------------

### Start the Discord Bot

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/discord-py-bot/README.mdx

Run the bot script to start the Discord bot. Ensure your environment variables are set correctly.

```bash
python bot.py
```

--------------------------------

### Start Backend and Frontend Services

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/greenify.mdx

Run the Flask backend service and the Expo frontend application to use the Greenify app.

```bash
cd service
python app.py

npx expo start
```

--------------------------------

### Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/articles/openai-agents-integration/README.mdx

Install the necessary Python packages for OpenAI Agents SDK and asynchronous operations. `nest-asyncio` is useful for environments like Jupyter notebooks.

```bash
pip install openai nest-asyncio
```

--------------------------------

### Clone Repository and Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/starplex.mdx

Clone the StarPlex repository and install backend and frontend dependencies using pip and npm.

```bash
git clone https://github.com/JerryWu0430/StarPlex.git
cd StarPlex

# Backend setup
cd backend
pip install -r requirements.txt

# Frontend setup
cd ../frontend
npm install
```

--------------------------------

### Set Perplexity API Key via .env File

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/README.mdx

Set up your Perplexity API key by creating a .env file in the example directory with the PERPLEXITY_API_KEY variable. This method is an alternative to using environment variables.

```bash
PERPLEXITY_API_KEY=your-api-key-here
```

--------------------------------

### Install Dependencies

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/articles/memory-management/chat-with-persistence/README.mdx

Lists the required Python packages for the persistent chat memory implementation.

```bash
llama-index-core>=0.10.0
llama-index-vector-stores-lancedb>=0.1.0
lancedb>=0.4.0
openai>=1.12.0
python-dotenv>=0.19.0
```

--------------------------------

### Get Help

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/fact-checker-cli/README.mdx

Display the help message for the fact-checker CLI, showing all available options and commands.

```bash
./fact_checker.py --help
```

--------------------------------

### Start BazaarAISaathi Application

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/bazaar-ai-saathi.mdx

Launch the main Streamlit application to access the BazaarAISaathi dashboard and features. Ensure the `secrets.toml` file is correctly configured.

```bash
streamlit run Home.py
```

--------------------------------

### Task Scheduler Arguments Example (Windows)

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/daily-knowledge-bot/daily_knowledge_bot.ipynb

Example configuration for Windows Task Scheduler to run a Python script. Specify the correct paths for Python executable and the script.

```powershell
Program: C:\Path\to\Python.exe
Arguments: C:\Path\to\daily_knowledge_bot.py
```

--------------------------------

### Start Redis Server

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Launches the Redis server on the default port 6380, which is required for the Ellipsis backend to function.

```bash
redis-server --port 6380
```

--------------------------------

### Configure Firebase Project

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/mvp-lifeline-ai-app.mdx

Configure your Flutter project with Firebase services. This command guides you through the setup process.

```bash
flutterfire configure
```

--------------------------------

### MDX File Structure for Cookbook Contributions

Source: https://github.com/perplexityai/api-cookbook/blob/main/CONTRIBUTING.md

This is a template for the structure of an MDX file when contributing examples or articles. It includes frontmatter, project title, introduction, features, prerequisites, installation, usage, code explanation, links, and limitations.

```mdx
---
title: Your Project Title
description: A concise description of what your project does
sidebar_position: 1
keywords: [relevant, keywords, for, search]
---

# Project Title

Brief introduction explaining what your project does and why it's useful.

## Features

- Key feature 1
- Key feature 2
- Key feature 3

## Prerequisites

What users need before they can use your project.

## Installation

Step-by-step installation instructions.

## Usage

Clear examples of how to use your project.

## Code Explanation

Key code snippets with explanations of how they work.

## Links

- [GitHub Repository](https://github.com/yourusername/yourproject)
- [Live Demo](https://yourproject.com) (if applicable)

## Limitations

Any known limitations or considerations users should be aware of.
```

--------------------------------

### Set Up Environment and API Key

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/daily-knowledge-bot/daily_knowledge_bot.ipynb

Imports necessary libraries and configures the Perplexity API key. It's recommended to use environment variables for sensitive keys.

```python
import requests
import json
import os
from datetime import datetime

# Replace this with your actual Perplexity API key
API_KEY = "your_perplexity_api_key"

# Alternatively, you can set it as an environment variable
# API_KEY = os.environ.get("PERPLEXITY_API_API_KEY")

# Verify we have an API key
if not API_KEY or API_KEY == "your_perplexity_api_key":
    print("⚠️ Warning: You need to set your actual API key to use this notebook.")
else:
    print("✅ API key is set.")
```

--------------------------------

### Example Fact Check Command

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/fact-checker-cli/README.mdx

An example command to fact-check a common misconception about the Great Wall of China.

```bash
./fact_checker.py -t "The Great Wall of China is visible from the moon."
```

--------------------------------

### Configure Environment Variables

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/starplex.mdx

Create a .env file in the backend directory to configure Perplexity API key, Mapbox token, and SERP API key.

```ini
PERPLEXITY_API_KEY=your_perplexity_api_key
MAPBOX_TOKEN=your_mapbox_token
SERPAPI_KEY=your_serpapi_key
```

--------------------------------

### Cron Job Scheduling Example

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/daily-knowledge-bot/daily_knowledge_bot.ipynb

Example cron job entry for scheduling a Python script to run daily at 9 AM. Ensure the paths to Python and the script are correct.

```bash
0 9 * * * /path/to/python /path/to/daily_knowledge_bot.py
```

--------------------------------

### Native Package Installation

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Installs specific native Python packages required for audio processing and AI integration within the Ellipsis backend. These include llama-cpp-python, orpheus-cpp, and huggingface_hub.

```bash
pip install llama-cpp-python --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cpu
pip install git+https://github.com/freddyaboulton/orpheus-cpp.git
pip install huggingface_hub[hf_xet] hf_xet
```

--------------------------------

### Build Perplexity Client for Platforms

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/perplexity-client.mdx

Build the Electron application for specific operating systems using npm scripts.

```bash
npm run build:win    # Windows
npm run build:mac    # macOS
npm run build:linux  # Linux
```

--------------------------------

### Run Disease Information App Tutorial

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/README.mdx

Launch the Disease Information App tutorial using Jupyter Notebook. This interactive web application allows for medical information lookup, structured knowledge card display, and citation tracking for medical sources.

```bash
cd disease-qa/
jupyter notebook disease_qa_tutorial.ipynb
```

--------------------------------

### Backend Configuration

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/Ellipsis.mdx

Sets up the backend environment variables for Ellipsis. Create a .env file in the 'backend' directory and populate it with your Redis URL and Perplexity API key.

```ini
REDIS_URL=redis://your-redis-host:6379
PERPLEXITY_API_KEY=your_key_here
PODBEAN_CLIENT_ID=...
PODBEAN_CLIENT_SECRET=...
```

--------------------------------

### Use Custom Prompt File

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/fact-checker-cli/README.mdx

Provide a custom prompt in a file to guide the fact-checking process.

```bash
./fact_checker.py --text "The first human heart transplant was performed in the United States." --prompt-file custom_prompt.md
```

--------------------------------

### Configure Environment Variables

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/flow-and-focus.mdx

Sets up the necessary API keys and model configuration in the .env.local file. Replace placeholders with your actual API keys.

```ini
PERPLEXITY_API_KEY=your_perplexity_api_key_here
RUNWARE_API_KEY=your_runware_api_key_here
PERPLEXITY_FOCUS_MODEL=sonar-deep-research
```

--------------------------------

### Configure API Keys

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/monday.mdx

Create a .env file to store your Perplexity, ElevenLabs, and YouTube API keys. These keys are required for the application to function correctly.

```ini
# Create a .env file and set your API keys
PERPLEXITY_API_KEY=your_api_key
ELEVENLABS_API_KEY=your_api_key
YOUTUBE_API_KEY=your_api_key
```

--------------------------------

### Check Python Version

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/discord-py-bot/README.mdx

Verify that your Python installation meets the minimum requirement of Python 3.8 or higher.

```bash
python --version  # Should be 3.8 or higher
```

--------------------------------

### Configure Perplexity API Key

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/greenify.mdx

Create a .env file in the 'service' directory and add your Perplexity API key.

```ini
PPLX_API_KEY=your_perplexity_api_key_here
```

--------------------------------

### Configure Environment Variables

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/showcase/mvp-lifeline-ai-app.mdx

Set up your API keys and project IDs in the .env file for Perplexity, OpenAI, Firebase, and Twilio integration.

```ini
PERPLEXITY_API_KEY=your_sonar_api_key
OPENAI_API_KEY=your_openai_api_key
FIREBASE_PROJECT_ID=your_firebase_project_id
TWILIO_ACCOUNT_SID=your_twilio_sid
TWILIO_AUTH_TOKEN=your_twilio_token
```

--------------------------------

### Set API Key in a File

Source: https://github.com/perplexityai/api-cookbook/blob/main/docs/examples/fact-checker-cli/README.mdx

Store your Perplexity API key in a file named .pplx_api_key in the script's directory and set appropriate permissions.

```bash
echo "YOUR_API_KEY" > .pplx_api_key
chmod 600 .pplx_api_key
```