Hack at the speed of modern development

The web hacking toolkit designed to scale manual testing through AI and teamwork.

P&GWriterSynacktivHack The BoxHiddenLayerBlack Hills Information SecurityLangChain

Bring your own model

Connect Caido to the LLM provider you already use.

Use Caido's AI powered plugins with the provider of your choice: Anthropic, Google, OpenAI, and more via OpenRouter

Give AI Agents programmatic access to Caido via our Client SDK

AI providers

Trusted by hackers and security teams

From solo hunters to security teams, backed by a rapidly growing ecosystem.

From the field

"I've been personally using Caido as my 'daily driver' web proxy for years.
It has really upped my game in terms of Application Security assessments, with a UI that is intuitive, blazing fast, and minimalist. Moreover, building plugins has been incredibly straightforward. I strongly recommend Caido for web application security practitioners from all backgrounds."
Portrait of Keith Hoodlet

Keith Hoodlet

Director of Security Research

1Password

7,000+

Active hackers

58+

Community plugins

4,500+

Discord Members

Why hackers are making the switch

Discover how Caido fundamentally changes how web assessments are performed.

Context-aware AI testing

Launch autonomous agents to draft payloads and execute tasks while you focus on critical logic.

Instant request filtering

Search requests and responses with precision using our intuitive HTTPQL syntax.

Powerful automations

Build ad-hoc automation workflows on the fly with a powerful node-based system.

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