diff --git a/docs/publish.md b/docs/publish.md
index 55788dcd..0652fbd8 100644
--- a/docs/publish.md
+++ b/docs/publish.md
@@ -943,16 +943,17 @@ _Supported on:_ :material-android: :material-firefox:
!!! info
**This feature is not yet released.** It will be available in ntfy v2.16.x and later and ntfy Android v1.22.x and later.
-You can **update, clear, or delete notifications** that have already been delivered. This is useful for scenarios
+You can **update, clear (mark as read and dismiss), or delete notifications** that have already been delivered. This is useful for scenarios
like download progress updates, replacing outdated information, or dismissing notifications that are no longer relevant.
+* Updating notifications will alter the content of an existing notification.
+* Clearing notifications will mark them as read and dismiss them from the notification drawer.
+* Deleting notifications will remove them from the notification drawer and remove them in the clients as well (if supported).
+
The way this works is that when you publish a message with a specific **sequence ID**, clients that receive the
notification will treat it as part of a sequence. When a new message with the same sequence ID is published, clients
will update the existing notification instead of creating a new one. You can also
-The key concept is the **sequence ID**: notifications with the same sequence ID are treated as
-belonging to the same sequence, and clients will update/replace the notification accordingly.
-

@@ -960,12 +961,11 @@ belonging to the same sequence, and clients will update/replace the notification
### Updating notifications
To update an existing notification, publish a new message with the same sequence ID. Clients will replace the previous
-notification with the new one.
+notification with the new one. You can either:
-You can either:
-
-1. **Use the message ID**: First publish without a sequence ID, then use the returned message `id` as the sequence ID for updates
-2. **Use a custom sequence ID**: Publish directly to `/
/` with your own identifier
+1. **Use the message ID**: First publish like normal to `POST /` without a sequence ID, then use the returned message `id` as the sequence ID for updates
+2. **Use a custom sequence ID**: Publish directly to `POST //` with your own identifier, or use `POST /` with the
+ `X-Sequence-ID` header (or any of its aliases: `Sequence-ID` or`SID`)
If you don't know the sequence ID ahead of time, you can publish a message first and then use the returned
message `id` to update it. The message ID of the first message will then serve as the sequence ID for subsequent updates:
@@ -976,8 +976,11 @@ message `id` to update it. The message ID of the first message will then serve a
curl -d "Downloading file..." ntfy.sh/mytopic
# Returns: {"id":"xE73Iyuabi","time":1673542291,...}
- # Then use the message ID to update it
- curl -d "Download complete!" ntfy.sh/mytopic/xE73Iyuabi
+ # Then use the message ID to update it (via URL path)
+ curl -d "Download 50% ..." ntfy.sh/mytopic/xE73Iyuabi
+
+ # Or update using the X-Sequence-ID header
+ curl -H "X-Sequence-ID: xE73Iyuabi" -d "Download complete" ntfy.sh/mytopic
```
=== "ntfy CLI"
@@ -987,7 +990,34 @@ message `id` to update it. The message ID of the first message will then serve a
# Returns: {"id":"xE73Iyuabi","time":1673542291,...}
# Then use the message ID to update it
- ntfy pub --sequence-id=xE73Iyuabi mytopic "Download complete!"
+ ntfy pub --sequence-id=xE73Iyuabi mytopic "Download 50% ..."
+
+ # Update again with the same sequence ID
+ ntfy pub -S xE73Iyuabi mytopic "Download complete"
+ ```
+
+=== "HTTP"
+ ``` http
+ # First, publish a message and capture the message ID
+ POST /mytopic HTTP/1.1
+ Host: ntfy.sh
+
+ Downloading file...
+
+ # Returns: {"id":"xE73Iyuabi","time":1673542291,...}
+
+ # Then use the message ID to update it
+ POST /mytopic/xE73Iyuabi HTTP/1.1
+ Host: ntfy.sh
+
+ Download 50% ...
+
+ # Update again with the same sequence ID, this time using the header
+ POST /mytopic HTTP/1.1
+ Host: ntfy.sh
+ X-Sequence-ID: xE73Iyuabi
+
+ Download complete
```
=== "JavaScript"
@@ -999,10 +1029,17 @@ message `id` to update it. The message ID of the first message will then serve a
});
const { id } = await response.json();
- // Then use the message ID to update
+ // Update via URL path
await fetch(`https://ntfy.sh/mytopic/${id}`, {
method: 'POST',
- body: 'Download complete!'
+ body: 'Download 50% ...'
+ });
+
+ // Or update using the X-Sequence-ID header
+ await fetch('https://ntfy.sh/mytopic', {
+ method: 'POST',
+ headers: { 'X-Sequence-ID': id },
+ body: 'Download complete'
});
```
@@ -1014,9 +1051,29 @@ message `id` to update it. The message ID of the first message will then serve a
var msg struct { ID string `json:"id"` }
json.NewDecoder(resp.Body).Decode(&msg)
- // Update using the message ID
+ // Update via URL path
http.Post("https://ntfy.sh/mytopic/"+msg.ID, "text/plain",
- strings.NewReader("Download complete!"))
+ strings.NewReader("Download 50% ..."))
+
+ // Or update using the X-Sequence-ID header
+ req, _ := http.NewRequest("POST", "https://ntfy.sh/mytopic",
+ strings.NewReader("Download complete"))
+ req.Header.Set("X-Sequence-ID", msg.ID)
+ http.DefaultClient.Do(req)
+ ```
+
+=== "PowerShell"
+ ``` powershell
+ # Publish and get the message ID
+ $response = Invoke-RestMethod -Method POST -Uri "https://ntfy.sh/mytopic" -Body "Downloading file..."
+ $messageId = $response.id
+
+ # Update via URL path
+ Invoke-RestMethod -Method POST -Uri "https://ntfy.sh/mytopic/$messageId" -Body "Download 50% ..."
+
+ # Or update using the X-Sequence-ID header
+ Invoke-RestMethod -Method POST -Uri "https://ntfy.sh/mytopic" `
+ -Headers @{"X-Sequence-ID"=$messageId} -Body "Download complete"
```
=== "Python"
@@ -1027,8 +1084,12 @@ message `id` to update it. The message ID of the first message will then serve a
response = requests.post("https://ntfy.sh/mytopic", data="Downloading file...")
message_id = response.json()["id"]
- # Update using the message ID
- requests.post(f"https://ntfy.sh/mytopic/{message_id}", data="Download complete!")
+ # Update via URL path
+ requests.post(f"https://ntfy.sh/mytopic/{message_id}", data="Download 50% ...")
+
+ # Or update using the X-Sequence-ID header
+ requests.post("https://ntfy.sh/mytopic",
+ headers={"X-Sequence-ID": message_id}, data="Download complete")
```
=== "PHP"
@@ -1039,9 +1100,18 @@ message `id` to update it. The message ID of the first message will then serve a
]));
$messageId = json_decode($response)->id;
- // Update using the message ID
+ // Update via URL path
file_get_contents("https://ntfy.sh/mytopic/$messageId", false, stream_context_create([
- 'http' => ['method' => 'POST', 'content' => 'Download complete!']
+ 'http' => ['method' => 'POST', 'content' => 'Download 50% ...']
+ ]));
+
+ // Or update using the X-Sequence-ID header
+ file_get_contents('https://ntfy.sh/mytopic', false, stream_context_create([
+ 'http' => [
+ 'method' => 'POST',
+ 'header' => "X-Sequence-ID: $messageId",
+ 'content' => 'Download complete'
+ ]
]));
```
@@ -1054,8 +1124,11 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
# Publish with a custom sequence ID
curl -d "Downloading file..." ntfy.sh/mytopic/my-download-123
- # Update using the same sequence ID
- curl -d "Download complete!" ntfy.sh/mytopic/my-download-123
+ # Update using the same sequence ID (via URL path)
+ curl -d "Download 50% ..." ntfy.sh/mytopic/my-download-123
+
+ # Or update using the X-Sequence-ID header
+ curl -H "X-Sequence-ID: my-download-123" -d "Download complete" ntfy.sh/mytopic
```
=== "ntfy CLI"
@@ -1064,7 +1137,10 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
ntfy pub --sequence-id=my-download-123 mytopic "Downloading file..."
# Update using the same sequence ID
- ntfy pub --sequence-id=my-download-123 mytopic "Download complete!"
+ ntfy pub --sequence-id=my-download-123 mytopic "Download 50% ..."
+
+ # Update again
+ ntfy pub -S my-download-123 mytopic "Download complete"
```
=== "HTTP"
@@ -1074,6 +1150,13 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
Downloading file...
```
+ ``` http
+ POST /mytopic HTTP/1.1
+ Host: ntfy.sh
+ X-Sequence-ID: my-download-123
+
+ Download complete
+ ```
=== "JavaScript"
``` javascript
@@ -1083,10 +1166,17 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
body: 'Downloading file...'
});
- // Update with same sequence ID
+ // Update via URL path
await fetch('https://ntfy.sh/mytopic/my-download-123', {
method: 'POST',
- body: 'Download complete!'
+ body: 'Download 50% ...'
+ });
+
+ // Or update using the X-Sequence-ID header
+ await fetch('https://ntfy.sh/mytopic', {
+ method: 'POST',
+ headers: { 'X-Sequence-ID': 'my-download-123' },
+ body: 'Download complete'
});
```
@@ -1096,9 +1186,15 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
http.Post("https://ntfy.sh/mytopic/my-download-123", "text/plain",
strings.NewReader("Downloading file..."))
- // Update with same sequence ID
+ // Update via URL path
http.Post("https://ntfy.sh/mytopic/my-download-123", "text/plain",
- strings.NewReader("Download complete!"))
+ strings.NewReader("Download 50% ..."))
+
+ // Or update using the X-Sequence-ID header
+ req, _ := http.NewRequest("POST", "https://ntfy.sh/mytopic",
+ strings.NewReader("Download complete"))
+ req.Header.Set("X-Sequence-ID", "my-download-123")
+ http.DefaultClient.Do(req)
```
=== "PowerShell"
@@ -1106,8 +1202,12 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
# Publish with sequence ID
Invoke-RestMethod -Method POST -Uri "https://ntfy.sh/mytopic/my-download-123" -Body "Downloading file..."
- # Update with same sequence ID
- Invoke-RestMethod -Method POST -Uri "https://ntfy.sh/mytopic/my-download-123" -Body "Download complete!"
+ # Update via URL path
+ Invoke-RestMethod -Method POST -Uri "https://ntfy.sh/mytopic/my-download-123" -Body "Download 50% ..."
+
+ # Or update using the X-Sequence-ID header
+ Invoke-RestMethod -Method POST -Uri "https://ntfy.sh/mytopic" `
+ -Headers @{"X-Sequence-ID"="my-download-123"} -Body "Download complete"
```
=== "Python"
@@ -1117,8 +1217,12 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
# Publish with sequence ID
requests.post("https://ntfy.sh/mytopic/my-download-123", data="Downloading file...")
- # Update with same sequence ID
- requests.post("https://ntfy.sh/mytopic/my-download-123", data="Download complete!")
+ # Update via URL path
+ requests.post("https://ntfy.sh/mytopic/my-download-123", data="Download 50% ...")
+
+ # Or update using the X-Sequence-ID header
+ requests.post("https://ntfy.sh/mytopic",
+ headers={"X-Sequence-ID": "my-download-123"}, data="Download complete")
```
=== "PHP"
@@ -1128,14 +1232,23 @@ less cumbersome, since you don't need to capture the message ID first. Just publ
'http' => ['method' => 'POST', 'content' => 'Downloading file...']
]));
- // Update with same sequence ID
+ // Update via URL path
file_get_contents('https://ntfy.sh/mytopic/my-download-123', false, stream_context_create([
- 'http' => ['method' => 'POST', 'content' => 'Download complete!']
+ 'http' => ['method' => 'POST', 'content' => 'Download 50% ...']
+ ]));
+
+ // Or update using the X-Sequence-ID header
+ file_get_contents('https://ntfy.sh/mytopic', false, stream_context_create([
+ 'http' => [
+ 'method' => 'POST',
+ 'header' => 'X-Sequence-ID: my-download-123',
+ 'content' => 'Download complete'
+ ]
]));
```
-You can also set the sequence ID via the `X-Sequence-ID` header, the `sid` query parameter, or when
-[publishing as JSON](#publish-as-json) using the `sequence_id` field.
+You can also set the sequence ID via the `sid` query parameter, or when [publishing as JSON](#publish-as-json)
+using the `sequence_id` field.
### Clearing notifications
To clear a notification (mark it as read and dismiss it from the notification drawer), send a PUT request to