API certifications validate a professional’s expertise in areas such as software development, integration, and management of APIs, as well as related technologies like web services and cloud computing. These certifications generally assess a candidate's ability to design, build, test, and maintain APIs while ensuring security, performance, and scalability. Exams typically cover skills in API architecture, protocols (e.g., REST, SOAP), data formats (e.g., JSON, XML), and API lifecycle management. Candidates are expected to demonstrate proficiency in problem-solving, troubleshooting, and optimizing APIs for various business needs. API certifications support career advancement in roles such as API developer, systems architect, and integration specialist.