SendPit is a hosted email testing sandbox designed for developers and QA teams. It allows applications to send emails to a safe inbox where messages can be inspected, debugged, and tested without being delivered to real users. SendPit provides multiple isolated mailboxes, team collaboration features, responsive email previews, attachment support, REST API integration for CI/CD pipelines, webhook notifications, smart rules for email organization, and secure credential management with one-click rotation. It supports organization-level multi-tenancy with role-based access controls, making it ideal for development teams working across staging, development, and CI environments. Available as a freemium SaaS product with plans ranging from free to enterprise-level usage.