Mock and modify HTTP request for exploratory testing.

Radically better observability stack

LangSmith Observability gives you complete visibility into agent behavior with tracing, real-time monitoring, alerting, and high-level insights into usage.

Charles is a HTTP proxy that enables you to see traffic between your machine and the backend

Supercharge team collaboration by sharing screen capture, logs, and debugging information from local development.

Don’t just observe. Take action. The only app monitoring platform built for developers that gets to the root cause for every issue.