diff --git a/lib/ansible/modules/cloud/ovh/ovh_monthly_billing.py b/lib/ansible/modules/cloud/ovh/ovh_monthly_billing.py
new file mode 100644
index 00000000000..766d8b177fb
--- /dev/null
+++ b/lib/ansible/modules/cloud/ovh/ovh_monthly_billing.py
@@ -0,0 +1,164 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2019, Francois Lallart (@fraff)
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+ANSIBLE_METADATA = {
+    "metadata_version": "1.1",
+    "status": ["preview"],
+    "supported_by": "community",
+}
+
+DOCUMENTATION = '''
+---
+module: ovh_monthly_billing
+author: Francois Lallart (@fraff)
+version_added: "2.10"
+short_description: Manage OVH monthly billing
+description:
+    - Enable monthly billing on OVH cloud intances (be aware OVH does not allow to disable it).
+requirements: [ "ovh" ]
+options:
+    project_id:
+        required: true
+        type: str
+        description:
+            - ID of the project, get it with U(https://api.ovh.com/console/#/cloud/project#GET)
+    instance_id:
+        required: true
+        type: str
+        description:
+            - ID of the instance, get it with U(https://api.ovh.com/console/#/cloud/project/%7BserviceName%7D/instance#GET)
+    endpoint:
+        type: str
+        description:
+            - The endpoint to use (for instance ovh-eu)
+    application_key:
+        type: str
+        description:
+            - The applicationKey to use
+    application_secret:
+        type: str
+        description:
+            - The application secret to use
+    consumer_key:
+        type: str
+        description:
+            - The consumer key to use
+'''
+
+EXAMPLES = '''
+# basic usage, using auth from /etc/ovh.conf
+  - ovh_monthly_billing:
+       project_id: 0c727a20aa144485b70c44dee9123b46
+       instance_id: 8fa89ad2-8f08-4220-9fa4-9695ea23e948
+
+# a bit more more complex
+  # get openstack cloud ID and instance ID, OVH use them in its API
+  - os_server_info:
+      cloud: myProjectName
+      region_name: myRegionName
+      server: myServerName
+    # force run even in check_mode
+    check_mode: no
+
+  # use theses IDs
+  - ovh_monthly_billing:
+      project_id: "{{ openstack_servers.0.tenant_id }}"
+      instance_id: "{{ openstack_servers.0.id }}"
+      application_key: yourkey
+      application_secret: yoursecret
+      consumer_key: yourconsumerkey
+'''
+
+RETURN = '''
+'''
+
+import os
+import sys
+import traceback
+
+try:
+    import ovh
+    import ovh.exceptions
+    from ovh.exceptions import APIError
+    HAS_OVH = True
+except ImportError:
+    HAS_OVH = False
+    OVH_IMPORT_ERROR = traceback.format_exc()
+
+from ansible.module_utils.basic import AnsibleModule
+
+
+def main():
+    module = AnsibleModule(
+        argument_spec=dict(
+            project_id=dict(required=True),
+            instance_id=dict(required=True),
+            endpoint=dict(required=False),
+            application_key=dict(required=False, no_log=True),
+            application_secret=dict(required=False, no_log=True),
+            consumer_key=dict(required=False, no_log=True),
+        ),
+        supports_check_mode=True
+    )
+
+    # Get parameters
+    project_id = module.params.get('project_id')
+    instance_id = module.params.get('instance_id')
+    endpoint = module.params.get('endpoint')
+    application_key = module.params.get('application_key')
+    application_secret = module.params.get('application_secret')
+    consumer_key = module.params.get('consumer_key')
+    project = ""
+    instance = ""
+    ovh_billing_status = ""
+
+    if not HAS_OVH:
+        module.fail_json(msg='python-ovh is required to run this module, see https://github.com/ovh/python-ovh')
+
+    # Connect to OVH API
+    client = ovh.Client(
+        endpoint=endpoint,
+        application_key=application_key,
+        application_secret=application_secret,
+        consumer_key=consumer_key
+    )
+
+    # Check that the instance exists
+    try:
+        project = client.get('/cloud/project/{0}'.format(project_id))
+    except ovh.exceptions.ResourceNotFoundError:
+        module.fail_json(msg='project {0} does not exist'.format(project_id))
+
+    # Check that the instance exists
+    try:
+        instance = client.get('/cloud/project/{0}/instance/{1}'.format(project_id, instance_id))
+    except ovh.exceptions.ResourceNotFoundError:
+        module.fail_json(msg='instance {0} does not exist in project {1}'.format(instance_id, project_id))
+
+    # Is monthlyBilling already enabled or pending ?
+    if instance['monthlyBilling'] is not None:
+        if instance['monthlyBilling']['status'] in ['ok', 'activationPending']:
+            module.exit_json(changed=False, ovh_billing_status=instance['monthlyBilling'])
+
+    if module.check_mode:
+        module.exit_json(changed=True, msg="Dry Run!")
+
+    try:
+        ovh_billing_status = client.post('/cloud/project/{0}/instance/{1}/activeMonthlyBilling'.format(project_id, instance_id))
+        module.exit_json(changed=True, ovh_billing_status=ovh_billing_status['monthlyBilling'])
+    except APIError as apiError:
+        module.fail_json(changed=False, msg="Failed to call OVH API: {0}".format(apiError))
+
+    # We should never reach here
+    module.fail_json(msg='Internal ovh_monthly_billing module error')
+
+
+if __name__ == "__main__":
+    main()