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Gemini-Keychecker

A high-performance tool to validate Google Gemini API keys with batch processing capabilities.

Features

API key validation: Validates Google Gemini API keys efficiently
High-performance processing: High concurrency with HTTP/2 multiplexing and low memory footprint
Backup support: Automatically creates backup files for all processed keys
Proxy support: HTTP/HTTPS proxy with authentication
Smart retry: Configurable retry mechanism for failed requests

Installation

Download Pre-built Binaries

Download the latest release from GitHub Releases:

Linux: gemini-keychecker-linux-x86_64
Windows: gemini-keychecker-windows-x86_64.exe

Build from Source

git clone https://github.com/Yoo1tic/Gemini-Keychecker.git
cd Gemini-Keychecker
cargo build --release

Usage

Quick Start

Create a keys.txt file with one API key per line
Run the tool:

./gemini-keychecker

The tool will:

Validate all API keys and create output files for valid keys
Generate a backup file (backup_keys.txt) containing all processed keys

Configuration

The tool supports three configuration methods (in order of precedence):

Command line arguments
Configuration file (Config.toml)

Configuration File

Create a Config.toml file in the same directory. See Config.toml.example for reference.

Command Line Options

Options:
  -i, --input-path <INPUT_PATH>      Input file containing API keys [default: keys.txt]
  -b, --backup-path <BACKUP_PATH>    Backup file for all processed keys [default: backup_keys.txt]
  -u, --api-host <API_HOST>          API host URL [default: https://generativelanguage.googleapis.com/]
  -t, --timeout-sec <TIMEOUT_SEC>    Request timeout in seconds [default: 15]
  -c, --concurrency <CONCURRENCY>   Max concurrent requests [default: 50]
  -r, --max-retries <MAX_RETRIES>   Max retry attempts for failed requests [default: 2]
  -x, --proxy <PROXY>               Proxy URL (http://user:pass@host:port)
  -h, --help                        Print help

Examples

Basic Usage

# Use default settings
./gemini-keychecker

# Custom input file
./gemini-keychecker -i my_api_keys.txt

# Custom backup location
./gemini-keychecker -b /path/to/backup/keys.txt

Performance Tuning

# High concurrency for fast validation
./gemini-keychecker -c 100 -t 10

# Conservative settings for rate-limited environments
./gemini-keychecker -c 10 -t 30 -r 5

Proxy Configuration

# HTTP proxy without authentication
./gemini-keychecker -x http://proxy.company.com:8080

# HTTP proxy with authentication
./gemini-keychecker -x http://username:password@proxy.company.com:8080

# HTTPS proxy
./gemini-keychecker -x https://user:pass@secure-proxy.com:8443

Input Format

Create a text file with one API key per line:

AIzaSyxxxxxxxxxxxxxxefghij
AIzaSyxxxxxxxxxxxxxxefghij
AIzaSyxxxxxxxxxxxxxxefghij

Performance

High-performance: Optimized concurrent processing with configurable limits
HTTP/2 Multiplexing: Enhanced connection efficiency
Smart Retry: Automatic retry with exponential backoff
Low Memory Usage: Streaming processing minimizes resource consumption

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