Math Web APIs are specialized application programming interfaces designed to enhance communication between software components for solving mathematical problems or providing math-related information. Various APIs are available on RapidAPI, such as the Newton API for simplifying expressions and finding derivatives, the Numbers API for providing trivia and facts about numbers, and the Equa Images API for converting math formulas into PNG images. The MathPI API generates images from LaTeX formulas, while the Qalc API performs simple math calculations and cleans up equations. Many of these APIs offer a free tier and utilize a RapidAPI key, known as "X-Mashape-Key," which is required to access their services.