Developers at ReadMe have revamped their API error messages to be more informative and engaging, incorporating unique error identifiers, detailed descriptions with variables, and actionable suggestions for resolving issues. Each error message now includes a link to relevant documentation and contact information for further assistance, enhancing the debugging experience by providing access to call logs and endpoint details. Emphasizing their core value of whimsy, ReadMe has also added a lighthearted poem to each error message, aiming to make the experience of troubleshooting not only easier but also more enjoyable for users.