Systems and methods are provided for an application platform with flexible permissioning. In one embodiment, an application platform with flexible permissioning comprises: a service provider server adapted to interact with an application development server and a client device over a network, the service provider server adapted to implement at least one application programming interface (API); one or more processors; and one or more memories adapted to store machine-readable instructions which when executed by the processors cause the application platform with flexible permissioning to: maintain a profile associated with at least one application developer using the application development server; receive an API call from the application developer; authenticate the application developer and authorize the API call; assign an access level to the application developer based on the profile associated with the application developer; and control permissions given to the application developer to perform operations available based on the assigned access level.