Postmark Inbound is a service that allows developers to easily parse incoming emails into JSON format for their applications. The service includes an inbound email address on every Postmark server, which converts sent emails into a structured JSON object with details such as contents, headers, and attachments. This feature is designed to simplify the process of analyzing and acting on email content, making it suitable for various use cases like replying to in-app messages, creating tasks or reminders, and uploading files via email. Postmark Inbound is available for all customers and new accounts immediately, with pricing starting at $1.50 per 1000 emails, and offers a simple and straightforward payment model. The service is part of the Postmark suite, which also provides reliable outbound email sending capabilities.