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# Configuring Inbound HTTP Connections
Set up secure HTTP connections to enable:
- Sender systems to call integration flow endpoints \(through one of the adapters based on the HTTP protocol like, for example, the HTTPS adapter or the SOAP adapter\)
See: [Setting Up Inbound HTTP Connections \(Integration Flow Processing\)](setting-up-inbound-http-connections-integration-flow-processing-0f92842.md)
- API clients to call the Cloud Integration OData API
See: [Setting Up Inbound HTTP Connections \(for API Clients\)](setting-up-inbound-http-connections-for-api-clients-8db3d51.md)
> ### Note:
> Systems acting as clients for SAP Cloud Integration endpoints are required to use SNI. See SAP Note [2752867](https://me.sap.com/notes/2752867).
**Related Information**
[Configuration Checklist for Inbound Authentication](configuration-checklist-for-inbound-authentication-4a428fd.md "")
[Creating Service Instance and Service Key for Inbound Authentication](creating-service-instance-and-service-key-for-inbound-authentication-19af5e2.md "With a service instance, you define how to access a certain SAP BTP service. In the context of SAP Integration Suite , a service instance is the definition of an OAuth client.")
[Setting Up Inbound HTTP Connections \(Integration Flow Processing\)](setting-up-inbound-http-connections-integration-flow-processing-0f92842.md "Enable a sender system to send messages to Cloud Integration over the HTTP protocol.")
[Setting Up Inbound HTTP Connections \(for API Clients\)](setting-up-inbound-http-connections-for-api-clients-8db3d51.md "An application programming interface (API) allows you to access Cloud Integration data, for example, monitoring data.")
