diff --git a/internal/cloudapi/openapi.gen.go b/internal/cloudapi/openapi.gen.go
index 806dd23ac..297e0d3fe 100644
--- a/internal/cloudapi/openapi.gen.go
+++ b/internal/cloudapi/openapi.gen.go
@@ -58,6 +58,7 @@ type ComposeStatus struct {
 
 // Customizations defines model for Customizations.
 type Customizations struct {
+	Packages     *[]string     `json:"packages,omitempty"`
 	Subscription *Subscription `json:"subscription,omitempty"`
 }
 
diff --git a/internal/cloudapi/openapi.yml b/internal/cloudapi/openapi.yml
index 78d3466de..753839ce5 100644
--- a/internal/cloudapi/openapi.yml
+++ b/internal/cloudapi/openapi.yml
@@ -221,6 +221,11 @@ components:
       properties:
         subscription:
           $ref: '#/components/schemas/Subscription'
+        packages:
+          type: array
+          example: ['postgres']
+          items:
+            type: string
     Subscription:
       type: object
       required:
diff --git a/internal/cloudapi/server.go b/internal/cloudapi/server.go
index 12b658a36..349cfb312 100644
--- a/internal/cloudapi/server.go
+++ b/internal/cloudapi/server.go
@@ -77,6 +77,20 @@ func (server *Server) Compose(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	var bp = blueprint.Blueprint{}
+	err = bp.Initialize()
+	if err != nil {
+		http.Error(w, "Unable to initialize blueprint", http.StatusInternalServerError)
+		return
+	}
+	if request.Customizations != nil && request.Customizations.Packages != nil {
+		for _, p := range *request.Customizations.Packages {
+			bp.Packages = append(bp.Packages, blueprint.Package{
+				Name: p,
+			})
+		}
+	}
+
 	type imageRequest struct {
 		manifest distro.Manifest
 		arch     string
@@ -118,13 +132,6 @@ func (server *Server) Compose(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 
-		var bp = blueprint.Blueprint{}
-		err = bp.Initialize()
-		if err != nil {
-			http.Error(w, "Unable to initialize blueprint", http.StatusInternalServerError)
-			return
-		}
-
 		packageSpecs, excludePackageSpecs := imageType.Packages(bp)
 		packages, _, err := server.rpmMetadata.Depsolve(packageSpecs, excludePackageSpecs, repositories, distribution.ModulePlatformID(), arch.Name())
 		if err != nil {
diff --git a/test/cases/api.sh b/test/cases/api.sh
index 967dca8ff..ea3d66b6f 100644
--- a/test/cases/api.sh
+++ b/test/cases/api.sh
@@ -90,6 +90,11 @@ cat > "$REQUEST_FILE" << EOF
       "architecture": "$ARCH",
       "image_type": "ami",
       "repositories": $(jq ".\"$ARCH\"" /usr/share/tests/osbuild-composer/repositories/"$DISTRO".json),
+      "customizations": {
+        "packages": [
+          "postgres"
+        ]
+      },
       "upload_requests": [
         {
           "type": "aws",