diff --git a/src/api/lib.zig b/src/api/lib.zig
index 00a16eb..e145fba 100644
--- a/src/api/lib.zig
+++ b/src/api/lib.zig
@@ -5,6 +5,8 @@ const sql = @import("sql");
 const DateTime = util.DateTime;
 const Uuid = util.Uuid;
 
+const default_avatar = "static/default_avi.png";
+
 const services = struct {
     const communities = @import("./services/communities.zig");
     const actors = @import("./services/actors.zig");
@@ -52,7 +54,10 @@ pub const UserResponse = struct {
     bio: []const u8,
 
     avatar_file_id: ?Uuid,
+    avatar_url: []const u8,
+
     header_file_id: ?Uuid,
+    header_url: ?[]const u8,
 
     profile_fields: []const ProfileField,
 
@@ -459,6 +464,28 @@ fn ApiConn(comptime DbConn: type) type {
         fn getUserUnchecked(self: *Self, db: anytype, user_id: Uuid) !UserResponse {
             const user = try services.actors.get(db, user_id, self.allocator);
 
+            const avatar_url = if (user.avatar_file_id) |fid|
+                try std.fmt.allocPrint(
+                    self.allocator,
+                    "{s}://{s}/media/{}",
+                    .{ @tagName(self.community.scheme), self.community.host, fid },
+                )
+            else
+                try std.fmt.allocPrint(
+                    self.allocator,
+                    "{s}://{s}/{s}",
+                    .{ @tagName(self.community.scheme), self.community.host, default_avatar },
+                );
+            errdefer self.allocator.free(avatar_url);
+            const header_url = if (user.header_file_id) |fid|
+                try std.fmt.allocPrint(
+                    self.allocator,
+                    "{s}://{s}/media/{}",
+                    .{ @tagName(self.community.scheme), self.community.host, fid },
+                )
+            else
+                null;
+
             return UserResponse{
                 .id = user.id,
 
@@ -469,7 +496,10 @@ fn ApiConn(comptime DbConn: type) type {
                 .bio = user.bio,
 
                 .avatar_file_id = user.avatar_file_id,
+                .avatar_url = avatar_url,
+
                 .header_file_id = user.header_file_id,
+                .header_url = header_url,
 
                 .profile_fields = user.profile_fields,
 
diff --git a/static/default_avi.png b/static/default_avi.png
new file mode 100644
index 0000000..edd1828
--- /dev/null
+++ b/static/default_avi.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:54247347d90cecd9e6d598e1d74fae31f874ebb5c5e4dff7b4acc6a606acceef
+size 40812