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Changelog

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February 2026

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Documentation Overhaul

• Added Python SDK Reference with complete API documentation for all methods
• Added Node.js SDK Reference with TypeScript types and examples
• Added Streaming guide with framework-specific examples (FastAPI, Express, Next.js)
• Added Pricing & Plans page with feature comparison matrix
• Added Rulepacks documentation for browsing and using security rule packs
• Added Red Team Testing documentation for automated adversarial testing
• Added API Keys Management endpoint documentation
• Added Webhooks documentation for real-time security event notifications
• Added Managing Projects guide to navigation
• Fixed stale plan names across all documentation

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Security

• Composable preset system with 6 use-case templates and 3 strictness levels
• Agent Security API for validating AI agent tool calls
• Secure Scraping API with indirect prompt injection detection

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Platform

• Python SDK (promptguard) with security scanning, PII redaction, scraping, and agent validation
• Node.js SDK (promptguard-sdk) with full TypeScript support
• CLI tool for automatic codebase integration
• VS Code extension for editor-level protection

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January 2026

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Billing & Subscriptions

• Plan change with proration support (upgrade/downgrade mid-cycle)
• Usage-based billing alerts at 80% and 100% thresholds
• Stripe integration with metered billing for Scale plan overage

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Security Improvements

• AI-powered threat detection with ~95% accuracy (Pro/Scale plans)
• Enhanced PII detection patterns (SSN, credit card, API keys)
• Red team test suite with 25+ adversarial test cases

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December 2025

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Initial Launch

• PromptGuard API (OpenAI-compatible proxy)
• Dashboard with project management and analytics
• Free, Pro, and Scale subscription tiers
• Basic regex-based threat detection
• PII redaction (email, phone, SSN, credit card)
• Rate limiting and usage tracking