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Webhook.site

Webhook.site allows red teams to capture and inspect HTTP requests in real-time. It is essential for testing blind OOB vulnerabilities and exfiltration.

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Introduction

Webhook.site

Webhook.site is a free online service that generates unique URLs and email addresses for testing, inspecting, and automating incoming HTTP requests and emails. It provides a real-time view of all data sent to these endpoints, making it useful for debugging, webhook testing, API development, and integration validation.

Key Features

Real-Time Request Inspection
Instantly view and analyze incoming HTTP requests, emails, and DNSHooks in a live interface.
Data Transformation & Forwarding
Modify, replay, and forward captured requests to other endpoints with built-in retry logic and error notifications.
Visual Workflow Automation
Build automated workflows using a drag-and-drop editor or AI assistance. Integrate with services such as Google Sheets, Slack, AWS S3, and other third-party services.
Persistent History
Store up to 10,000 requests with an account, enabling request replay and long-term debugging.
Advanced Capabilities
Includes scheduling (cron jobs), Postgres-compatible databases, multi-user support with SSO, and custom domains for professional use.

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Information

Publisher
Admin
Websitewebhook.site
Created date02/20/2026
Published date02/20/2026

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