commit 040f155b3a8c3ad524166a9a964716948322471c
Author: erebion <erebion@erebion.eu>
Date:   Tue Jan 6 18:09:15 2026 +0000

    Initial commit

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7ef48c9
--- /dev/null
+++ b/README.md
@@ -0,0 +1,14 @@
+# zuginfo_nrw_webpush_ansible
+
+Simple Ansible Playbooks that demonstrate how zuginfo.nrw's API can be used to send infos concerning railway lines to custom WebPush or UnifiedPush endpoints.
+
+## How to Use
+
+Run the Playbooks using Ansible:
+
+```
+cd zuginfo_playbooks
+ansible-playbook zuginfo_api_create_account.yml
+```
+
+(Do the same for the other playbooks)
diff --git a/zuginfo_playbooks/templates/account_or_whatever.json.j2 b/zuginfo_playbooks/templates/account_or_whatever.json.j2
new file mode 100644
index 0000000..5ef3e36
--- /dev/null
+++ b/zuginfo_playbooks/templates/account_or_whatever.json.j2
@@ -0,0 +1,27 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrUserDetails",
+      "req": {
+        "userId": null
+      },
+      "id": "1|2|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/create_webpush_subscription.json.j2 b/zuginfo_playbooks/templates/create_webpush_subscription.json.j2
new file mode 100644
index 0000000..625949d
--- /dev/null
+++ b/zuginfo_playbooks/templates/create_webpush_subscription.json.j2
@@ -0,0 +1,34 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrUserCreate",
+      "req": {
+        "language": "de",
+        "availableChannels": [
+          {
+            "channelId": "",
+            "type": "WEBPUSH",
+            "address": "{\"endpoint\":\"{{ push_endpoint }}\",\"keys\":{\"auth\":\"{{ push_key_auth }}\",\"p256dh\":\"{{ push_key_p256dh }}\"}}"
+          }
+        ]
+      },
+      "id": "1|3|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/delete_account.json.j2 b/zuginfo_playbooks/templates/delete_account.json.j2
new file mode 100644
index 0000000..0573bc2
--- /dev/null
+++ b/zuginfo_playbooks/templates/delete_account.json.j2
@@ -0,0 +1,27 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrUserDelete",
+      "req": {
+        "userId": "{{ user_id }}"
+      },
+      "id": "1|5|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/delete_subscription.json.j2 b/zuginfo_playbooks/templates/delete_subscription.json.j2
new file mode 100644
index 0000000..eac6563
--- /dev/null
+++ b/zuginfo_playbooks/templates/delete_subscription.json.j2
@@ -0,0 +1,28 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrDelete",
+      "req": {
+        "subscrId": {{ subscription_id }},
+        "userId": "{{ user_id }}"
+      },
+      "id": "1|13|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/detail_subscriptions.json.j2 b/zuginfo_playbooks/templates/detail_subscriptions.json.j2
new file mode 100644
index 0000000..efa58f1
--- /dev/null
+++ b/zuginfo_playbooks/templates/detail_subscriptions.json.j2
@@ -0,0 +1,28 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrDetails",
+      "req": {
+        "subscrId": {{ subscription_id }},
+        "userId": "{{ user_id }}"
+      },
+      "id": "1|10|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/get_channel_id.json.j2 b/zuginfo_playbooks/templates/get_channel_id.json.j2
new file mode 100644
index 0000000..ed99bf6
--- /dev/null
+++ b/zuginfo_playbooks/templates/get_channel_id.json.j2
@@ -0,0 +1,27 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrUserDetails",
+      "req": {
+        "userId": "{{ user_id }}"
+      },
+      "id": "1|4|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/list_subscriptions.json.j2 b/zuginfo_playbooks/templates/list_subscriptions.json.j2
new file mode 100644
index 0000000..a5ffca5
--- /dev/null
+++ b/zuginfo_playbooks/templates/list_subscriptions.json.j2
@@ -0,0 +1,27 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrSearch",
+      "req": {
+        "userId": "{{ user_id }}"
+      },
+      "id": "1|9|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/mysterious_id.json.j2 b/zuginfo_playbooks/templates/mysterious_id.json.j2
new file mode 100644
index 0000000..10f1f3b
--- /dev/null
+++ b/zuginfo_playbooks/templates/mysterious_id.json.j2
@@ -0,0 +1,30 @@
+{
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "req": {
+        "getMapLayerConfig": true,
+        "getConGroups": false,
+        "getServerDateTime": true,
+        "getTimeTablePeriod": true,
+        "getEuSpiritRegions": true
+      },
+      "meth": "ServerInfo",
+      "id": "1|0|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/subscription_s4.json.j2 b/zuginfo_playbooks/templates/subscription_s4.json.j2
new file mode 100644
index 0000000..3afa639
--- /dev/null
+++ b/zuginfo_playbooks/templates/subscription_s4.json.j2
@@ -0,0 +1,77 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrCreate",
+      "req": {
+        "statSubscr": {
+          "hysteresis": {
+            "himFltrL": [
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "0"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "4"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "2"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "3"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "1"
+              }
+            ]
+          },
+          "jnyFltrL": [
+            {
+              "type": "LINEID",
+              "mode": "INC",
+              "value": 92404
+            }
+          ],
+          "serviceDays": {
+            "selectedWeekdays": "1111111",
+            "beginDate": "20250615",
+            "endDate": "20331211",
+            "beginTime": "000000",
+            "endTime": "235959"
+          }
+        },
+        "userId": "{{ user_id }}",
+        "channels": [
+          {
+            "channelId": "{{ channel_id }}"
+          }
+        ]
+      },
+      "id": "1|5|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/update_subscription.json.j2 b/zuginfo_playbooks/templates/update_subscription.json.j2
new file mode 100644
index 0000000..440cf69
--- /dev/null
+++ b/zuginfo_playbooks/templates/update_subscription.json.j2
@@ -0,0 +1,78 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrUpdate",
+      "req": {
+        "userId": "{{ user_id }}",
+        "subscrId": {{ subscription_id }},
+        "statSubscr": {
+          "hysteresis": {
+            "himFltrL": [
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "0"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "4"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "2"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "3"
+              },
+              {
+                "type": "HIMCAT",
+                "mode": "INC",
+                "value": "1"
+              }
+            ]
+          },
+          "jnyFltrL": [
+            {
+              "type": "LINEID",
+              "mode": "INC",
+              "value": 92404
+            }
+          ],
+          "serviceDays": {
+            "selectedWeekdays": "1111110",
+            "beginDate": "20250615",
+            "endDate": "20331211",
+            "beginTime": "00000000",
+            "endTime": "00235959"
+          }
+        },
+        "channels": [
+          {
+            "channelId": "{{ channel_id }}"
+          }
+        ]
+      },
+      "id": "1|12|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/templates/verify_subscription.json.j2 b/zuginfo_playbooks/templates/verify_subscription.json.j2
new file mode 100644
index 0000000..6b1cb15
--- /dev/null
+++ b/zuginfo_playbooks/templates/verify_subscription.json.j2
@@ -0,0 +1,28 @@
+{
+  "id": "{{ mysterious_id }}",
+  "ver": "1.24",
+  "lang": "deu",
+  "auth": {
+    "type": "AID",
+    "aid": "{{ aid }}"
+  },
+  "client": {
+    "id": "HAFAS",
+    "type": "WEB",
+    "name": "webapp",
+    "l": "vs_webapp",
+    "v": 10104
+  },
+  "formatted": false,
+  "ext": "VRR.1",
+  "svcReqL": [
+    {
+      "meth": "SubscrDetails",
+      "req": {
+        "subscrId": {{ subscription_id }},
+        "userId": "{{ user_id }}"
+      },
+      "id": "1|6|"
+    }
+  ]
+}
diff --git a/zuginfo_playbooks/zuginfo_api_create_account.yml b/zuginfo_playbooks/zuginfo_api_create_account.yml
new file mode 100644
index 0000000..d666a0e
--- /dev/null
+++ b/zuginfo_playbooks/zuginfo_api_create_account.yml
@@ -0,0 +1,61 @@
+---
+
+- name: "Zuginfo.nrw API"
+  hosts: localhost
+  vars:
+    unix_time_millis: "1762342729099"
+    #aid: ""
+    #mysterious_id: ""
+
+  tasks:
+    - name: "Get AID (Token)"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/config/webapp.config.json?v={{ unix_time_millis }}"
+        method: GET
+      register: token
+      when: aid is undefined
+
+    - name: "Print AID (Token)"
+      ansible.builtin.debug:
+        msg: "{{ token }}"
+
+    - set_fact:
+        aid: "{{ token.json.hciAuth.aid }}"
+      when: aid is undefined
+
+    - name: "Get Mysterious ID"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId=undefined&hciMethod=ServerInfo&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','mysterious_id.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+      register: get_mysterious_id
+      when: mysterious_id is undefined
+
+    - name: "Print Mysterious ID"
+      ansible.builtin.debug:
+        msg: "{{ get_mysterious_id }}"
+
+    - set_fact:
+        mysterious_id: "{{ get_mysterious_id.json.id }}"
+      when: mysterious_id is undefined
+
+    - name: "Unknown Request"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrUserDetails&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','account_or_whatever.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+      register: account_whatever
+
+    - name: "Print Result of Unknown Request"
+      ansible.builtin.debug:
+        msg: "{{ account_whatever }}"
diff --git a/zuginfo_playbooks/zuginfo_api_create_webpush_subscription.yml b/zuginfo_playbooks/zuginfo_api_create_webpush_subscription.yml
new file mode 100644
index 0000000..b61fe95
--- /dev/null
+++ b/zuginfo_playbooks/zuginfo_api_create_webpush_subscription.yml
@@ -0,0 +1,87 @@
+---
+
+- name: "Zuginfo.nrw API"
+  hosts: localhost
+  vars:
+    unix_time_millis: "1762342729099"
+    push_endpoint: ""
+    push_key_auth: ""
+    push_key_p256dh: ""
+    aid: ""
+    mysterious_id: ""
+
+  tasks:
+    - name: "Create WebPush Subscription"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrUserCreate&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','create_webpush_subscription.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+      register: webpush_subscription
+
+    - name: "Create WebPush Subscription"
+      ansible.builtin.debug:
+        msg: "{{ webpush_subscription }}"
+
+    - set_fact:
+        user_id: "{{ webpush_subscription.json.svcResL[0].res.userId }}"
+
+    - name: "Get a Channel ID"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrUserDetails&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','get_channel_id.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+      register: channel_id
+
+    - name: "channel_id"
+      ansible.builtin.debug:
+        msg: "{{ channel_id }}"
+
+    - set_fact:
+        channel_id: "{{ channel_id.json.svcResL[0].res.availableChannels[0].channelId }}"
+
+    - name: "Subscribe to info for S4"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrCreate&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','subscription_s4.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+          TE: trailers
+      register: subscribe_s4
+
+    - name: "subscribe_s4"
+      ansible.builtin.debug:
+        msg: "{{ subscribe_s4 }}"
+
+    - set_fact:
+        subscription_id: "{{ subscribe_s4.json.svcResL[0].res.subscrId }}"
+
+    - name: "Verify Subscription"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrDetails&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','verify_subscription.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+          TE: trailers
+      register: verify_subscription
+
+    - name: "Result: Verify Subscription"
+      ansible.builtin.debug:
+        msg: "{{ verify_subscription }}"
diff --git a/zuginfo_playbooks/zuginfo_api_delete_account.yml b/zuginfo_playbooks/zuginfo_api_delete_account.yml
new file mode 100644
index 0000000..17aa5a5
--- /dev/null
+++ b/zuginfo_playbooks/zuginfo_api_delete_account.yml
@@ -0,0 +1,27 @@
+---
+
+- name: "Zuginfo.nrw API"
+  hosts: localhost
+  vars:
+    unix_time_millis: "1762342729099"
+    aid: ""
+    mysterious_id: ""
+    user_id: ""
+
+  tasks:
+    - name: "Delete Account"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrUserDelete&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','delete_account.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+          TE: trailers
+      register: delete_account
+
+    - name: "Print Result of Account Deletion"
+      ansible.builtin.debug:
+        msg: "{{ delete_account }}"
diff --git a/zuginfo_playbooks/zuginfo_api_delete_subscription.yml b/zuginfo_playbooks/zuginfo_api_delete_subscription.yml
new file mode 100644
index 0000000..3f81506
--- /dev/null
+++ b/zuginfo_playbooks/zuginfo_api_delete_subscription.yml
@@ -0,0 +1,28 @@
+---
+
+- name: "Zuginfo.nrw API"
+  hosts: localhost
+  vars:
+    unix_time_millis: "1762342729099"
+    aid: ""
+    mysterious_id: ""
+    subsciption_id: ""
+    user_id: ""
+
+  tasks:
+    - name: "Delete Subscription"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrDelete&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','delete_subscription.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+          TE: trailers
+      register: delete_subscription
+
+    - name: "Print Result of Deleting Subscription"
+      ansible.builtin.debug:
+        msg: "{{ delete_subscription }}"
diff --git a/zuginfo_playbooks/zuginfo_api_list_subscriptions.yml b/zuginfo_playbooks/zuginfo_api_list_subscriptions.yml
new file mode 100644
index 0000000..4ebd1b8
--- /dev/null
+++ b/zuginfo_playbooks/zuginfo_api_list_subscriptions.yml
@@ -0,0 +1,42 @@
+---
+
+- name: "Zuginfo.nrw API"
+  hosts: localhost
+  vars:
+    unix_time_millis: "1762342729099"
+    aid: ""
+    mysterious_id: ""
+
+  tasks:
+    - name: "List Subscriptions"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrSearch&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','list_subscriptions.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+          TE: trailers
+      register: list_subscription
+
+    - name: "Print Result: List of Subscriptions"
+      ansible.builtin.debug:
+        msg: "{{ list_subscription }}"
+
+    - name: "Detail Subscriptions"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrUserDetails&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','detail_subscriptions.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+      register: detail_subscription
+
+    - name: "Print Result: Details of Subscriptions"
+      ansible.builtin.debug:
+        msg: "{{ detail_subscription }}"
diff --git a/zuginfo_playbooks/zuginfo_api_subscribe_s4.yml b/zuginfo_playbooks/zuginfo_api_subscribe_s4.yml
new file mode 100644
index 0000000..dff6dd0
--- /dev/null
+++ b/zuginfo_playbooks/zuginfo_api_subscribe_s4.yml
@@ -0,0 +1,46 @@
+---
+
+- name: "Zuginfo.nrw API"
+  hosts: localhost
+  vars:
+    unix_time_millis: "1762342729099"
+    aid: ""
+    mysterious_id: ""
+
+  tasks:
+    - name: "Subscribe to info for S4"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrCreate&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','subscription_s4.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+          TE: trailers
+      register: subscribe_s4
+
+    - name: "Print Result: Subscribe to S4"
+      ansible.builtin.debug:
+        msg: "{{ subscribe_s4 }}"
+
+    - set_fact:
+        subscription_id: "{{ subscribe_s4.json.svcResL[0].res.subscrId }}"
+
+    - name: "Verify Subscription"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrDetails&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','verify_subscription.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+          TE: trailers
+      register: verify_subscription
+
+    - name: "Print Result: Verify Subscription"
+      ansible.builtin.debug:
+        msg: "{{ verify_subscription }}"
diff --git a/zuginfo_playbooks/zuginfo_api_update_subscription.yml b/zuginfo_playbooks/zuginfo_api_update_subscription.yml
new file mode 100644
index 0000000..47b0868
--- /dev/null
+++ b/zuginfo_playbooks/zuginfo_api_update_subscription.yml
@@ -0,0 +1,25 @@
+---
+
+- name: "Zuginfo.nrw API"
+  hosts: localhost
+  vars:
+    unix_time_millis: "1762342729099"
+    aid: ""
+    mysterious_id: ""
+
+  tasks:
+    - name: "Update Subscription (no messages on S4 concerning Sundays)"
+      ansible.builtin.uri:
+        url: "https://www.zuginfo.nrw/gate/?requestId={{ mysterious_id }}&hciMethod=SubscrUpdate&hciVersion=1.24&hciClientType=WEB&hciClientVersion=10104&aid={{ aid }}&rnd={{ unix_time_millis }}"
+        method: POST
+        body: "{{ lookup('ansible.builtin.template','update_subscription.json.j2') }}"
+        headers:
+          Accept-Encoding: gzip, deflate, br, zstd
+          Content-Type: application/json
+          Origin: https://www.zuginfo.nrw/
+          Referer: https://www.zuginfo.nrw/
+      register: update_subscription
+
+    - name: "Print Result of Updating Subscription"
+      ansible.builtin.debug:
+        msg: "{{ update_subscription }}"