diff --git a/api_fetch.go b/api_fetch.go
new file mode 100644
index 0000000..493f61e
--- /dev/null
+++ b/api_fetch.go
@@ -0,0 +1,41 @@
+package gophercloud
+
+import (
+	"github.com/mitchellh/mapstructure"
+)
+
+//The default generic openstack api
+var OpenstackApi = map[string]interface{}{
+	"UrlChoice": PublicURL,
+}
+
+// Api for use with rackspace
+var RackspaceApi = map[string]interface{}{
+	"Name":      "cloudServersOpenStack",
+	"VersionId": "2",
+	"UrlChoice": PublicURL,
+}
+
+//Populates an ApiCriteria struct with the api values
+//from one of the api maps
+func PopulateApi(variant string) (ApiCriteria, error) {
+	var Api ApiCriteria
+	var variantMap map[string]interface{}
+
+	switch variant {
+	case "":
+		variantMap = OpenstackApi
+
+	case "openstack":
+		variantMap = OpenstackApi
+
+	case "rackspace":
+		variantMap = RackspaceApi
+	}
+
+	err := mapstructure.Decode(variantMap, &Api)
+	if err != nil {
+		return Api, err
+	}
+	return Api, err
+}