diff --git a/internal/auth/delivery/http/auth_http.go b/internal/auth/delivery/http/auth_http.go
index 150aad1..2c3b19f 100644
--- a/internal/auth/delivery/http/auth_http.go
+++ b/internal/auth/delivery/http/auth_http.go
@@ -154,11 +154,8 @@ func (h *Handler) handleAuthorize(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusBadRequest)
 		web.WriteTemplate(w, &web.ErrorPage{
 			BaseOf: baseOf,
-			Error: domain.NewError(
-				domain.ErrorCodeInvalidClient,
-				"requested redirect_uri is not registered on client_id side",
-				"",
-			),
+			Error: domain.NewError(domain.ErrorCodeInvalidClient, "requested redirect_uri is not"+
+				" registered on client_id side", ""),
 		})
 
 		return
diff --git a/internal/user/delivery/http/user_http.go b/internal/user/delivery/http/user_http.go
index 9e13d2c..7363701 100644
--- a/internal/user/delivery/http/user_http.go
+++ b/internal/user/delivery/http/user_http.go
@@ -58,6 +58,7 @@ func (h *Handler) handleFunc(w http.ResponseWriter, r *http.Request) {
 		// WARN(toby3d): If the token is not valid, the endpoint still
 		// MUST return a 200 Response.
 		_ = encoder.Encode(err) //nolint:errchkjson
+
 		w.WriteHeader(http.StatusOK)
 
 		return
@@ -70,34 +71,15 @@ func (h *Handler) handleFunc(w http.ResponseWriter, r *http.Request) {
 			"token with 'profile' scope is required to view profile data",
 			"https://indieauth.net/source/#user-information",
 		))
+
 		w.WriteHeader(http.StatusForbidden)
 
 		return
 	}
 
-	resp := new(UserInformationResponse)
-	if userInfo == nil {
-		_ = encoder.Encode(resp) //nolint:errchkjson
+	//nolint:errchkjson
+	_ = encoder.Encode(NewUserInformationResponse(userInfo,
+		userInfo.HasEmail() && tkn.Scope.Has(domain.ScopeEmail)))
 
-		return
-	}
-
-	if userInfo.HasName() {
-		resp.Name = userInfo.GetName()
-	}
-
-	if userInfo.HasURL() {
-		resp.URL = userInfo.GetURL().String()
-	}
-
-	if userInfo.HasPhoto() {
-		resp.Photo = userInfo.GetPhoto().String()
-	}
-
-	if tkn.Scope.Has(domain.ScopeEmail) && userInfo.HasEmail() {
-		resp.Email = userInfo.GetEmail().String()
-	}
-
-	_ = encoder.Encode(resp) //nolint:errchkjson
 	w.WriteHeader(http.StatusOK)
 }
diff --git a/internal/user/delivery/http/user_http_schema.go b/internal/user/delivery/http/user_http_schema.go
index 28c8668..358d097 100644
--- a/internal/user/delivery/http/user_http_schema.go
+++ b/internal/user/delivery/http/user_http_schema.go
@@ -1,8 +1,36 @@
 package http
 
+import "source.toby3d.me/toby3d/auth/internal/domain"
+
 type UserInformationResponse struct {
-	Name  string `json:"name,omitempty"`
-	URL   string `json:"url,omitempty"`
-	Photo string `json:"photo,omitempty"`
-	Email string `json:"email,omitempty"`
+	Name  string        `json:"name,omitempty"`
+	URL   *domain.URL   `json:"url,omitempty"`
+	Photo *domain.URL   `json:"photo,omitempty"`
+	Email *domain.Email `json:"email,omitempty"`
+}
+
+func NewUserInformationResponse(in *domain.Profile, hasEmail bool) *UserInformationResponse {
+	out := new(UserInformationResponse)
+
+	if in == nil {
+		return out
+	}
+
+	if in.HasName() {
+		out.Name = in.GetName()
+	}
+
+	if in.HasURL() {
+		out.URL = &domain.URL{URL: in.GetURL()}
+	}
+
+	if in.HasPhoto() {
+		out.Photo = &domain.URL{URL: in.GetPhoto()}
+	}
+
+	if hasEmail {
+		out.Email = in.GetEmail()
+	}
+
+	return out
 }
diff --git a/internal/user/delivery/http/user_http_test.go b/internal/user/delivery/http/user_http_test.go
index fe8b3ee..b687964 100644
--- a/internal/user/delivery/http/user_http_test.go
+++ b/internal/user/delivery/http/user_http_test.go
@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/goccy/go-json"
+	"github.com/google/go-cmp/cmp"
 
 	"source.toby3d.me/toby3d/auth/internal/common"
 	"source.toby3d.me/toby3d/auth/internal/domain"
@@ -57,14 +58,15 @@ func TestUserInfo(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	if result.Name != deps.profile.GetName() ||
-		result.Photo != deps.profile.GetPhoto().String() {
-		t.Errorf("GET /userinfo = %+v, want %+v", result, &delivery.UserInformationResponse{
-			Name:  deps.profile.GetName(),
-			URL:   deps.profile.GetURL().String(),
-			Photo: deps.profile.GetPhoto().String(),
-			Email: deps.profile.GetEmail().String(),
-		})
+	exp := &delivery.UserInformationResponse{
+		Name:  deps.profile.GetName(),
+		URL:   &domain.URL{URL: deps.profile.GetURL()},
+		Photo: &domain.URL{URL: deps.profile.GetPhoto()},
+		Email: deps.profile.GetEmail(),
+	}
+
+	if diff := cmp.Diff(result, exp, cmp.AllowUnexported(domain.URL{}, domain.Email{})); diff != "" {
+		t.Errorf("%s %s = %+v, want %+v", req.Method, req.RequestURI, result, exp)
 	}
 }