diff --git a/purchases/src/customEntitlementComputation/kotlin/com/revenuecat/purchases/PurchasesConfiguration.kt b/purchases/src/customEntitlementComputation/kotlin/com/revenuecat/purchases/PurchasesConfiguration.kt
index e78167519..ccb67822e 100644
--- a/purchases/src/customEntitlementComputation/kotlin/com/revenuecat/purchases/PurchasesConfiguration.kt
+++ b/purchases/src/customEntitlementComputation/kotlin/com/revenuecat/purchases/PurchasesConfiguration.kt
@@ -8,11 +8,12 @@ open class PurchasesConfiguration(builder: Builder) {
     val context: Context
     val apiKey: String
     val appUserID: String
-    val observerMode: Boolean
+    internal val observerMode: Boolean
     val service: ExecutorService?
     internal val store: Store
     internal val diagnosticsEnabled: Boolean
     val dangerousSettings: DangerousSettings
+    internal val verificationMode: EntitlementVerificationMode
 
     init {
         this.context = builder.context
@@ -22,6 +23,7 @@ open class PurchasesConfiguration(builder: Builder) {
         this.service = builder.service
         this.store = builder.store
         this.diagnosticsEnabled = builder.diagnosticsEnabled
+        this.verificationMode = builder.verificationMode
         this.dangerousSettings = builder.dangerousSettings
     }
 
@@ -42,6 +44,9 @@ open class PurchasesConfiguration(builder: Builder) {
         @set:JvmSynthetic @get:JvmSynthetic
         internal var diagnosticsEnabled: Boolean = false
 
+        @set:JvmSynthetic @get:JvmSynthetic
+        internal var verificationMode: EntitlementVerificationMode = EntitlementVerificationMode.default
+
         @set:JvmSynthetic @get:JvmSynthetic
         internal var dangerousSettings: DangerousSettings = DangerousSettings(customEntitlementComputation = true)
 
@@ -49,6 +54,23 @@ open class PurchasesConfiguration(builder: Builder) {
             this.service = service
         }
 
+        /**
+         * Sets the [EntitlementVerificationMode] to perform signature verification of requests to the
+         * RevenueCat backend.
+         *
+         * When changing from [EntitlementVerificationMode.DISABLED] to other modes, the SDK will clear the
+         * CustomerInfo cache.
+         * This means users will need to connect to the internet to get their entitlements back.
+         *
+         * The result of the verification can be obtained from [EntitlementInfos.verification] or
+         * [EntitlementInfo.verification].
+         *
+         * Default mode is disabled. Please see https://rev.cat/trusted-entitlements for more info.
+         */
+        internal fun entitlementVerificationMode(verificationMode: EntitlementVerificationMode) = apply {
+            this.verificationMode = verificationMode
+        }
+
         /**
          * Only use a Dangerous Setting if suggested by RevenueCat support team.
          */