diff --git a/docs/configuration.rst b/docs/configuration.rst
index 8dced28a..545e8108 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -1171,6 +1171,16 @@ Description
     the first in the list gets chosen (usually `mp3`).
 
 
+extractor.mangadex.api-server
+-----------------------------
+Type
+    ``string``
+Default
+    ``"https://api.mangadex.org"``
+Description
+    The server to use for API requests.
+
+
 extractor.newgrounds.flash
 --------------------------
 Type
diff --git a/gallery_dl/extractor/mangadex.py b/gallery_dl/extractor/mangadex.py
index d59e5bbd..6decc7dc 100644
--- a/gallery_dl/extractor/mangadex.py
+++ b/gallery_dl/extractor/mangadex.py
@@ -17,6 +17,7 @@ class MangadexExtractor(Extractor):
     """Base class for mangadex extractors"""
     category = "mangadex"
     root = "https://mangadex.org"
+    api_root = "https://api.mangadex.org"
 
     # mangadex-to-iso639-1 codes
     iso639_map = {
@@ -28,7 +29,10 @@ class MangadexExtractor(Extractor):
 
     def __init__(self, match):
         Extractor.__init__(self, match)
-        self.api_root = self.config("api-server") or "https://mangadex.org/api"
+
+        server = self.config("api-server")
+        if server is not None:
+            self.api_root = server.rstrip("/")
 
     def chapter_data(self, chapter_id):
         """Request API results for 'chapter_id'"""