[API Security & Data Protection Blog]

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

Engineering

AI Agent Observability: A Practical Guide for 2026

What agent observability means, why single-call LLM monitoring falls short, and how to trace multi-step agents without instrumenting every framework.

Ben @ Grepture

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LLM Observability Tools Compared: The 2026 Landscape

A head-to-head comparison of Langfuse, Arize, Braintrust, LangSmith, Portkey, and Grepture, updated for the 2026 consolidation wave that took out Helicone and Humanloop.

Engineering

What Is an AI Gateway? And When Do You Need One?

What an AI gateway is, how the proxy architecture works, and the five capabilities that matter — routing, cost tracking, security, observability, prompts.

Engineering

How We Redact PII Before It Reaches the LLM

A look inside Grepture's PII detection — deterministic validators, multilingual NER models, and why all of it runs in-process at the proxy.

Engineering

Why You Can't Trust LLM-as-a-Judge Scores (Yet)

What is PromptOps? A Complete Guide for Engineering Teams

Prompt Management: Version Control for Your LLM Prompts

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

Mask and Restore: Reversible Redaction That Keeps LLMs Useful