Skip to content
Truthound Banner

Truthound

Zero-Configuration Data Quality Framework Powered by Polars

Enterprise-grade data validation with zero setup

What is Truthound?

Truthound is a high-performance data quality framework built on Polars. It provides comprehensive data validation, profiling, and monitoring capabilities with a focus on ease of use and performance.

Key Features

  • Zero Configuration: Start validating data immediately without complex setup
  • 289 Validators: Coverage across 28 categories for data quality needs
  • High Performance: Polars-native implementation for efficient validation
  • Schema Inference: Automatically learn schemas from your data
  • PII Detection: Built-in scanning for personally identifiable information
  • CI/CD Integration: Seamlessly integrate with your deployment pipeline
  • Extensible: Create custom validators with the SDK

Quick Start

# Install
pip install truthound

# Learn schema from data
truthound learn data.csv

# Validate data
truthound check data.csv

# Scan for PII
truthound scan data.csv

Python API

import truthound as th

# Check data quality
report = th.check("data.csv")
print(report)

# Profile data
profile = th.profile("data.csv")
print(profile)

# Learn schema
schema = th.learn("data.csv")
schema.save("schema.yaml")

Documentation Sections

  • Getting Started

    Installation, quick start guide, and your first validation

    Get started

  • User Guide

    Comprehensive guide to CLI commands, validators, and configuration

    Read the guide

  • API Reference

    Complete API documentation with examples

    Browse the API

  • Tutorials

    Step-by-step tutorials for common use cases

    Learn more

Why Truthound?

Performance

Built on Polars, Truthound leverages:

  • Lazy evaluation for query optimization
  • Columnar memory layout for cache efficiency
  • SIMD vectorized operations
  • Multi-threaded execution

Actual performance depends on hardware, data characteristics, and Polars version. Run your own benchmarks for accurate measurements.

Comprehensive Validation

Validators across multiple categories including:

  • Schema validation
  • Format validation (email, phone, URL, etc.)
  • Statistical validation
  • PII detection
  • Data drift detection
  • Anomaly detection

Enterprise Ready

  • Security: ReDoS protection, SQL injection prevention
  • i18n: English and Korean language support
  • Storage: S3, GCS, Azure Blob, Database backends
  • CI/CD: 12 platform integrations
  • Notifications: 9 providers (Slack, Teams, PagerDuty, etc.)

License

Truthound is open source under the Apache License 2.0.

Support