# Surveys for Authenticated Participants

Use Salesforce Feedback Management (SFM) Response APIs to create survey invitations and to enable survey responses from authenticated participants.

- **[Surveys Resources](/docs/service/salesforce-feedback-management-dev-guide/guide/connect-resources-surveys.md)**

  Understand customer feedback as it evolves over time by engaging customers and users with relevant, personalized surveys. Incorporate survey data into your feedback management process and gain actionable insights at every stage of the customer lifecycle.

- **[Connect REST API Request Bodies](/docs/service/salesforce-feedback-management-dev-guide/guide/connect-requests.md)**

  To perform a POST, PATCH, or PUT request, pass query parameters or create a request body formatted in either XML or JSON. This chapter lists the request bodies. The query parameters are listed with each resource.

- **[Connect REST API Response Bodies](/docs/service/salesforce-feedback-management-dev-guide/guide/connect-responses.md)**

  The successful execution of a request to a Connect REST API resource can return a response body in either JSON or XML format.