diff --git a/changelogs/fragments/110-api.yml b/changelogs/fragments/110-api.yml
new file mode 100644
index 0000000..844cb99
--- /dev/null
+++ b/changelogs/fragments/110-api.yml
@@ -0,0 +1,6 @@
+bugfixes:
+  - api_modify, api_info - make API path ``ip dhcp-server`` support ``script``, and ``ip firewall nat`` support ``in-interface`` and ``in-interface-list``
+    (https://github.com/ansible-collections/community.routeros/pull/110).
+minor_changes:
+  - api_modify, api_info - support API path ``ip firewall mangle``
+    (https://github.com/ansible-collections/community.routeros/pull/110).
diff --git a/plugins/module_utils/_api_data.py b/plugins/module_utils/_api_data.py
index e7cdce6..fc23127 100644
--- a/plugins/module_utils/_api_data.py
+++ b/plugins/module_utils/_api_data.py
@@ -732,6 +732,7 @@ PATHS = {
             'dhcp-options': KeyInfo(default='hostname,clientid'),
             'disabled': KeyInfo(default=False),
             'interface': KeyInfo(),
+            'script': KeyInfo(can_disable=True),
             'use-peer-dns': KeyInfo(default=True),
             'use-peer-ntp': KeyInfo(default=True),
         },
@@ -893,6 +894,82 @@ PATHS = {
             'ttl': KeyInfo(can_disable=True),
         },
     ),
+    ('ip', 'firewall', 'mangle'): APIData(
+        fully_understood=True,
+        stratify_keys=('chain', ),
+        fields={
+            'action': KeyInfo(),
+            'chain': KeyInfo(),
+            'comment': KeyInfo(can_disable=True, remove_value=''),
+            'connection-bytes': KeyInfo(can_disable=True),
+            'connection-limit': KeyInfo(can_disable=True),
+            'connection-mark': KeyInfo(can_disable=True),
+            'connection-nat-state': KeyInfo(can_disable=True),
+            'connection-rate': KeyInfo(can_disable=True),
+            'connection-state': KeyInfo(can_disable=True),
+            'connection-type': KeyInfo(can_disable=True),
+            'content': KeyInfo(can_disable=True),
+            'disabled': KeyInfo(),
+            'dscp': KeyInfo(can_disable=True),
+            'dst-address': KeyInfo(can_disable=True),
+            'dst-address-list': KeyInfo(can_disable=True),
+            'dst-address-type': KeyInfo(can_disable=True),
+            'dst-limit': KeyInfo(can_disable=True),
+            'dst-port': KeyInfo(can_disable=True),
+            'fragment': KeyInfo(can_disable=True),
+            'hotspot': KeyInfo(can_disable=True),
+            'icmp-options': KeyInfo(can_disable=True),
+            'in-bridge-port': KeyInfo(can_disable=True),
+            'in-bridge-port-list': KeyInfo(can_disable=True),
+            'in-interface': KeyInfo(can_disable=True),
+            'in-interface-list': KeyInfo(can_disable=True),
+            'ingress-priority': KeyInfo(can_disable=True),
+            'ipsec-policy': KeyInfo(can_disable=True),
+            'ipv4-options': KeyInfo(can_disable=True),
+            'layer7-protocol': KeyInfo(can_disable=True),
+            'limit': KeyInfo(can_disable=True),
+            'log': KeyInfo(),
+            'log-prefix': KeyInfo(),
+            'new-connection-mark': KeyInfo(can_disable=True),
+            'new-dscp': KeyInfo(can_disable=True),
+            'new-mss': KeyInfo(can_disable=True),
+            'new-packet-mark': KeyInfo(can_disable=True),
+            'new-priority': KeyInfo(can_disable=True),
+            'new-routing-mark': KeyInfo(can_disable=True),
+            'new-ttl': KeyInfo(can_disable=True),
+            'nth': KeyInfo(can_disable=True),
+            'out-bridge-port': KeyInfo(can_disable=True),
+            'out-bridge-port-list': KeyInfo(can_disable=True),
+            'out-interface': KeyInfo(can_disable=True),
+            'out-interface-list': KeyInfo(can_disable=True),
+            'p2p': KeyInfo(can_disable=True),
+            'packet-mark': KeyInfo(can_disable=True),
+            'packet-size': KeyInfo(can_disable=True),
+            'passthrough': KeyInfo(can_disable=True),
+            'per-connection-classifier': KeyInfo(can_disable=True),
+            'port': KeyInfo(can_disable=True),
+            'priority': KeyInfo(can_disable=True),
+            'protocol': KeyInfo(can_disable=True),
+            'psd': KeyInfo(can_disable=True),
+            'random': KeyInfo(can_disable=True),
+            'route-dst': KeyInfo(can_disable=True),
+            'routing-mark': KeyInfo(can_disable=True),
+            'routing-table': KeyInfo(can_disable=True),
+            'sniff-id': KeyInfo(can_disable=True),
+            'sniff-target': KeyInfo(can_disable=True),
+            'sniff-target-port': KeyInfo(can_disable=True),
+            'src-address': KeyInfo(can_disable=True),
+            'src-address-list': KeyInfo(can_disable=True),
+            'src-address-type': KeyInfo(can_disable=True),
+            'src-mac-address': KeyInfo(can_disable=True),
+            'src-port': KeyInfo(can_disable=True),
+            'tcp-flags': KeyInfo(can_disable=True),
+            'tcp-mss': KeyInfo(can_disable=True),
+            'time': KeyInfo(can_disable=True),
+            'tls-host': KeyInfo(can_disable=True),
+            'ttl': KeyInfo(can_disable=True),
+        },
+    ),
     ('ip', 'firewall', 'nat'): APIData(
         fully_understood=True,
         stratify_keys=('chain', ),
@@ -902,6 +979,8 @@ PATHS = {
             'comment': KeyInfo(can_disable=True, remove_value=''),
             'dst-address': KeyInfo(can_disable=True),
             'dst-port': KeyInfo(can_disable=True),
+            'in-interface': KeyInfo(can_disable=True),
+            'in-interface-list': KeyInfo(can_disable=True),
             'out-interface': KeyInfo(can_disable=True),
             'out-interface-list': KeyInfo(can_disable=True),
             'protocol': KeyInfo(can_disable=True),
diff --git a/plugins/modules/api_info.py b/plugins/modules/api_info.py
index 75e1a00..d580bb6 100644
--- a/plugins/modules/api_info.py
+++ b/plugins/modules/api_info.py
@@ -71,6 +71,7 @@ options:
         - ip firewall address-list
         - ip firewall connection tracking
         - ip firewall filter
+        - ip firewall mangle
         - ip firewall nat
         - ip firewall service-port
         - ip hotspot service-port
diff --git a/plugins/modules/api_modify.py b/plugins/modules/api_modify.py
index fdf682e..a0d76ba 100644
--- a/plugins/modules/api_modify.py
+++ b/plugins/modules/api_modify.py
@@ -73,6 +73,7 @@ options:
         - ip firewall address-list
         - ip firewall connection tracking
         - ip firewall filter
+        - ip firewall mangle
         - ip firewall nat
         - ip firewall service-port
         - ip hotspot service-port