Providing on-line non-downloadable software for for the development of computer software and applications with functionality for preventing fraud and detecting, monitoring and verifying providing client device geolocation information; Providing temporary use of on-line non-downloadable software and applications for the development of software applications configured for preventing fraud and detecting, monitoring and verifying providing client device geolocation information, geolocation authentication and cybersecurity; Providing temporary use of on-line non-downloadable software for location verification and location-based fraud prevention; Application service provider featuring application programming interface (API) software for enabling location-based fraud detection; Software as a service (SAAS) services featuring software for for electronic monitoring of location, geolocation authentication, fraud prevention and cybersecurity