Understanding API documentation is a crucial skill for developers, yet beginners and non-technical users often find it challenging. This article aims to demystify API documentation, particularly focusing on REST APIs, using Airtable's documentation as an example. It explains essential terminologies like endpoints, payloads, headers, and webhooks, emphasizing the importance of understanding HTTP operations such as GET, POST, PUT/PATCH, and DELETE. The OpenAPI specification is highlighted for its role in structuring documentation and generating accurate documentation. The article advises readers to assess API compatibility with their goals and knowledge, explore specific operations deeply, and utilize tutorials for practical understanding. It stresses the importance of reading documentation purposefully to fill knowledge gaps and suggests that once familiar with an API, users can plan how to utilize it effectively. The piece concludes by encouraging users to get hands-on with APIs and consider creating their own documentation using tools like Stoplight's Elements.