diff -r ba90955d2d56 -r adc39ae774c0 gondole.go
--- a/gondole.go	Wed Apr 12 14:27:09 2017 +0200
+++ b/gondole.go	Wed Apr 12 16:40:02 2017 +0200
@@ -1,51 +1,43 @@
 package gondole
 
 import (
-	"github.com/sendgrid/rest"
+	"errors"
 	"fmt"
-	"errors"
+
+	"github.com/sendgrid/rest"
 )
 
 const (
-	APIVersion = "0.0"
+	// GondoleVersion contains the version of the Gondole implementation
+	GondoleVersion = "0.0"
 
-	// That is not overridable
-	apiURL = "/api/v1"
+	defaultInstanceURL = "https://mastodon.social"
+	apiVersion         = "v1" // That is not overridable
+	defaultAPIPath     = "/api/" + apiVersion
 
-	// Fallback instance
-	FallBackURL = "https://mastodon.social"
-
+	// NoRedirect is the URI for no redirection in the App registration
 	NoRedirect = "urn:ietf:wg:oauth:2.0:oob"
 )
 
 var (
-	APIEndpoint string
 	ErrAlreadyRegistered = errors.New("App already registered")
 )
 
 // prepareRequest insert all pre-defined stuff
 func (g *Client) prepareRequest(what string) (req rest.Request) {
-	var APIBase string
+	var endPoint string
 
-	// Allow for overriding for registration
-	if g.APIBase == "" {
-		APIBase = FallBackURL
-	} else {
-		APIBase = g.APIBase
-	}
-
-	APIEndpoint = fmt.Sprintf("%s%s/%", APIBase, apiURL, what)
-
+	endPoint = g.APIBase + "/" + what
 	// Add at least one option, the APIkey if present
 	hdrs := make(map[string]string)
 	opts := make(map[string]string)
 
 	// Insert our sig
-	hdrs["User-Agent"] = fmt.Sprintf("Client/%s", APIVersion)
+	hdrs["User-Agent"] = fmt.Sprintf("Gondole/%s", GondoleVersion)
 	hdrs["Authorization"] = fmt.Sprintf("Bearer %s", g.Secret)
 
 	req = rest.Request{
-		BaseURL:     APIEndpoint,
+		BaseURL:     endPoint,
 		Headers:     hdrs,
 		QueryParams: opts,
 	}