diff --git a/provider_client.go b/provider_client.go
new file mode 100644
index 0000000..0f26e53
--- /dev/null
+++ b/provider_client.go
@@ -0,0 +1,32 @@
+package gophercloud
+
+import "strings"
+
+// ProviderClient stores details that are required to interact with any services within a specific provider's API.
+//
+// Generally, you acquire a ProviderClient by calling the `NewClient()` method in the appropriate provider's child package,
+// providing whatever authentication credentials are required.
+type ProviderClient struct {
+	// Authority caches results of the most recent authentication.
+	Authority AuthResults
+
+	// Options remembers the original authentication parameters, if reauthentication is enabled.
+	Options AuthOptions
+
+	// Endpoint is the base URL of the relevant API.
+	Endpoint string
+
+	// TokenID is the most recently valid token issued.
+	TokenID string
+}
+
+// ServiceURL constructs a URL for a resource belonging to this client.
+func (client *ProviderClient) ServiceURL(parts ...string) string {
+	return client.Endpoint + strings.Join(parts, "/")
+}
+
+// AuthenticatedHeaders returns a map of HTTP headers that are common for all authenticated service
+// requests.
+func (client *ProviderClient) AuthenticatedHeaders() map[string]string {
+	return map[string]string{"X-Auth-Token": client.TokenID}
+}