Testmail.app is a cloud-based platform built for developers to automate end-to-end email testing with ease.
The service provides unlimited email addresses and mailboxes through simple APIs, allowing seamless integration into any development workflow. By sending test emails to unique addresses (e.g., {namespace}.{tag}@inbox.testmail.app), developers can avoid spamming real customers while conducting thorough testing. Testmail.app supports both JSON and GraphQL APIs, enabling advanced features like wildcard search, live queries, pagination, spam testing, and attachment handling. With robust documentation, quickstart guides, an interactive GraphQL Playground, and responsive support from real engineers, the platform ensures developers have everything they need for efficient implementation. Collaboration is made simple, allowing teams to securely create and manage separate namespaces, API keys, and test emails, with unlimited collaborators included at no additional cost. Security is a top priority, with all traffic encrypted in transit and at rest, passwordless logins, and APIs distributed across multiple data centers to ensure reliability. Backed by a 99.99% uptime SLA and real-time monitoring, Testmail.app is a secure and dependable solution for automated email testing, delivering comprehensive tools to streamline CI/CD pipelines and support project scalability.