diff --git a/ansible/roles/haproxy/templates/haproxy.cfg.j2 b/ansible/roles/haproxy/templates/haproxy.cfg.j2
index 959e0da358..f95eeddf06 100644
--- a/ansible/roles/haproxy/templates/haproxy.cfg.j2
+++ b/ansible/roles/haproxy/templates/haproxy.cfg.j2
@@ -552,6 +552,22 @@ listen congress_api_external
 {% endif %}
 {% endif %}
 
+{% if enable_mistral | bool %}
+listen mistral_api
+  bind {{ kolla_internal_vip_address }}:{{ mistral_api_port }}
+{% for host in groups['mistral-api'] %}
+  server {{ hostvars[host]['ansible_hostname'] }} {{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ mistral_api_port }} check inter 2000 rise 2 fall 5
+{% endfor %}
+{% if haproxy_enable_external_vip | bool %}
+
+listen mistral_api_external
+  bind {{ kolla_external_vip_address }}:{{ mistral_api_port }} {{ tls_bind_info }}
+{% for host in groups['mistral-api'] %}
+  server {{ hostvars[host]['ansible_hostname'] }} {{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ mistral_api_port }} check inter 2000 rise 2 fall 5
+{% endfor %}
+{% endif %}
+{% endif %}
+
 # (NOTE): This defaults section deletes forwardfor as recomended by:
 #         https://marc.info/?l=haproxy&m=141684110710132&w=1
 
diff --git a/ansible/roles/mistral/defaults/main.yml b/ansible/roles/mistral/defaults/main.yml
index b1e4eb1809..cca068623d 100644
--- a/ansible/roles/mistral/defaults/main.yml
+++ b/ansible/roles/mistral/defaults/main.yml
@@ -28,9 +28,9 @@ mistral_api_image_full: "{{ mistral_api_image }}:{{ mistral_api_tag }}"
 ####################
 # OpenStack
 ####################
-mistral_admin_endpoint: "{{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ mistral_api_port }}"
-mistral_internal_endpoint: "{{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ mistral_api_port }}"
-mistral_public_endpoint: "{{ public_protocol }}://{{ kolla_external_fqdn }}:{{ mistral_api_port }}"
+mistral_admin_endpoint: "{{ admin_protocol }}://{{ kolla_internal_fqdn }}:{{ mistral_api_port }}/v2"
+mistral_internal_endpoint: "{{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ mistral_api_port }}/v2"
+mistral_public_endpoint: "{{ public_protocol }}://{{ kolla_external_fqdn }}:{{ mistral_api_port }}/v2"
 
 mistral_logging_debug: "{{ openstack_logging_debug }}"
 
diff --git a/ansible/roles/mistral/templates/mistral.conf.j2 b/ansible/roles/mistral/templates/mistral.conf.j2
index 7cdbcd35a3..27639dfca0 100644
--- a/ansible/roles/mistral/templates/mistral.conf.j2
+++ b/ansible/roles/mistral/templates/mistral.conf.j2
@@ -7,13 +7,14 @@ log_dir = /var/log/kolla/mistral
 # stderr and collected by Docker
 use_stderr = False
 
-{% if service_name == 'mistral-api' %}
-bind_host = {{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}
-bind_port = {{ mistral_api_port }}
-{% endif %}
-
 transport_url = rabbit://{% for host in groups['rabbitmq'] %}{{ rabbitmq_user }}:{{ rabbitmq_password }}@{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ rabbitmq_port }}{% if not loop.last %},{% endif %}{% endfor %}
 
+{% if service_name == 'mistral-api' %}
+[api]
+host = {{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}
+port = {{ mistral_api_port }}
+{% endif %}
+
 [database]
 connection = mysql+pymysql://{{ mistral_database_user }}:{{ mistral_database_password }}@{{ mistral_database_address }}/{{ mistral_database_name }}
 max_retries = -1
diff --git a/ansible/roles/prechecks/tasks/port_checks.yml b/ansible/roles/prechecks/tasks/port_checks.yml
index 6c741cd8ac..c0f2bd88f6 100644
--- a/ansible/roles/prechecks/tasks/port_checks.yml
+++ b/ansible/roles/prechecks/tasks/port_checks.yml
@@ -553,6 +553,22 @@
     state: stopped
   when: inventory_hostname in groups['haproxy']
 
+- name: Checking free port for Mistral API
+  wait_for:
+    host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"
+    port: "{{ mistral_api_port }}"
+    connect_timeout: 1
+    state: stopped
+  when: inventory_hostname in groups['mistral-api']
+
+- name: Checking free port for Mistral API HAProxy
+  wait_for:
+    host: "{{ kolla_internal_vip_address }}"
+    port: "{{ mistral_api_port }}"
+    connect_timeout: 1
+    state: stopped
+  when: inventory_hostname in groups['haproxy']
+
 - name: Checking if kolla_internal_vip_address and kolla_external_vip_address are not pingable from any node
   command: ping -c 3 {{ item }}
   register: ping_output
diff --git a/docker/mistral/mistral-api/extend_start.sh b/docker/mistral/mistral-api/extend_start.sh
index 4316395acb..113adb8a21 100644
--- a/docker/mistral/mistral-api/extend_start.sh
+++ b/docker/mistral/mistral-api/extend_start.sh
@@ -4,5 +4,6 @@
 # of the KOLLA_BOOTSTRAP variable being set, including empty.
 if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then
     mistral-db-manage --config-file /etc/mistral/mistral.conf upgrade head
+    mistral-db-manage --config-file /etc/mistral/mistral.conf populate
     exit 0
 fi