[API Security & Data Protection Blog]

Guides, best practices, and product updates on securing API traffic, detecting sensitive data, and staying compliant.

Engineering

LLM Observability Tools Compared: The 2026 Landscape

A head-to-head comparison of Langfuse, Helicone, Arize, Braintrust, Lunary, Humanloop, LangSmith, and Grepture — architecture, pricing, and when to pick each.

Ben @ Grepture

Read more

Never Go Down Because Your Provider Did

How Grepture's provider key management and automatic fallback keeps your AI features running when OpenAI, Anthropic, or any provider has issues.

Product Updates

Datasets: Production Logs as Test Suites

Grepture Datasets turns your production traffic into curated eval sets. Import logs, set auto-collection rules, run experiments, and compare results across prompt versions.

Product Updates

How to Track and Reduce AI API Costs

AI API costs sneak up fast. Here's how to get visibility into where your spend goes — and practical strategies to cut it without sacrificing output quality.

Guides

Why Teams Need an AI Gateway

Securing MCP Connections Through Your AI Gateway

GDPR-Compliant AI: A Developer's Practical Guide

A/B Test Your Prompts in Production

Best Open Source Models for PII Redaction

Introducing the Grepture CLI — A Local AI Gateway

LLM Evals on Real Traffic — Not Just Test Suites

What is PromptOps? A Complete Guide for Engineering Teams

Trace Mode — Full Observability Without the Proxy Hop

Route Cursor Through Grepture — Observability, Cost Tracking, and PII Protection for Your Team

Route Claude Code Through Grepture — Observability, Cost Tracking, and PII Protection for Your Team

Prompt Management: Version Control for Your LLM Prompts

From PII Redaction to AI Gateway — Why We're Expanding Grepture

Indirect Prompt Injection: The Attack That Hides in Your Data

Your LLM Observability Tool Is Logging PII — Here's How to Fix It

How to Secure Your RAG Pipeline: Preventing Data Leaks in Retrieval-Augmented Generation

Why Your AI Agents Are Leaking Data (And How to Stop Them)

How to Prevent Sensitive Data Leaks in LLM API Calls

LLM Security Tools Compared: Gateways, DLP, Guardrails, and Proxies

Mask and Restore: Reversible Redaction That Keeps LLMs Useful

Prompt Injection Prevention for Production LLM Apps

EU AI Act Compliance for AI Engineers: What You Need to Do Before August 2026

PII Detection Best Practices for AI Pipelines

Introducing Grepture — Content-Aware API Security Proxy