diff --git a/generate.sh b/generate.sh
index 5d0ebc2c..1db0021f 100755
--- a/generate.sh
+++ b/generate.sh
@@ -43,4 +43,7 @@ patch ./vrchatapi/configuration.py < ./patches/safe_param_symbols.patch
 patch ./vrchatapi/api_client.py < ./patches/query_param_bool.patch
 
 # Add URL encoding to basic auth parameters
-patch ./vrchatapi/configuration.py < ./patches/encode_basic_auth.patch
\ No newline at end of file
+patch ./vrchatapi/configuration.py < ./patches/encode_basic_auth.patch
+
+# Set API key cookie as key-value pair  
+patch ./vrchatapi/api_client.py < ./patches/cookie_key_value.patch
\ No newline at end of file
diff --git a/patches/cookie_key_value.patch b/patches/cookie_key_value.patch
new file mode 100644
index 00000000..56cf72fe
--- /dev/null
+++ b/patches/cookie_key_value.patch
@@ -0,0 +1,22 @@
+diff --git a/vrchatapi/api_client.py b/vrchatapi/api_client.py
+index ded48c2a..2f20fdcb 100644
+--- a/vrchatapi/api_client.py
++++ b/vrchatapi/api_client.py
+@@ -580,7 +580,16 @@ class ApiClient(object):
+         :param auth_setting: auth settings for the endpoint
+         """
+         if auth_setting['in'] == 'cookie':
+-            headers['Cookie'] = auth_setting['value']
++            if not 'Cookie' in headers:
++                headers['Cookie'] = ""
++            else:
++                headers['Cookie'] += "; "
++            # Account for cookie value containing spaces and special characters
++            cookie_value = str(auth_setting['value'])
++            if not re.match("^\".*\"$", cookie_value):
++                cookie_value = cookie_value.replace("\"", "\\\"")
++                cookie_value = f"\"{cookie_value}\""
++            headers['Cookie'] += f"{auth_setting['key']}={cookie_value}"
+         elif auth_setting['in'] == 'header':
+             headers[auth_setting['key']] = auth_setting['value']
+         elif auth_setting['in'] == 'query':
diff --git a/vrchatapi/api_client.py b/vrchatapi/api_client.py
index ded48c2a..2f20fdcb 100644
--- a/vrchatapi/api_client.py
+++ b/vrchatapi/api_client.py
@@ -580,7 +580,16 @@ def _apply_auth_params(self, headers, queries, auth_setting):
         :param auth_setting: auth settings for the endpoint
         """
         if auth_setting['in'] == 'cookie':
-            headers['Cookie'] = auth_setting['value']
+            if not 'Cookie' in headers:
+                headers['Cookie'] = ""
+            else:
+                headers['Cookie'] += "; "
+            # Account for cookie value containing spaces and special characters
+            cookie_value = str(auth_setting['value'])
+            if not re.match("^\".*\"$", cookie_value):
+                cookie_value = cookie_value.replace("\"", "\\\"")
+                cookie_value = f"\"{cookie_value}\""
+            headers['Cookie'] += f"{auth_setting['key']}={cookie_value}"
         elif auth_setting['in'] == 'header':
             headers[auth_setting['key']] = auth_setting['value']
         elif auth_setting['in'] == 'query':