The 15Five API provides programmatic access to the employee performance platform. API methods are available to manage departments, objectives, reports, answers, questions, high-fives, security audits, review cycles, and more. The API returns employee feedback in JSON data and integrates with Zapier, Slack, BambooHR, Namely, SCIM, and SSO in addition to the API. Developers can authenticate with an API Key. 15Five is continuous performance management software.