zulip/templates/zerver/api/update-message.md

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# Update a message
Edit/update the content or topic of a message.
`PATCH {{ api_url }}/v1/messages/<msg_id>`
`<msg_id>` in the above URL should be replaced with the ID of the
message you wish you update.
## Usage examples
{start_tabs}
{tab|python}
{generate_code_example(python)|/messages/{message_id}:patch|example}
{tab|js}
More examples and documentation can be found [here](https://github.com/zulip/zulip-js).
```js
const zulip = require('zulip-js');
// Download zuliprc-dev from your dev server
const config = {
zuliprc: 'zuliprc-dev',
};
zulip(config).then((client) => {
// Update a message
const params = {
message_id: 131,
content: 'New Content',
}
client.messages.update(params).then(console.log);
});
```
{tab|curl}
```
curl -X "PATCH" {{ api_url }}/v1/messages/<msg_id> \
-u BOT_EMAIL_ADDRESS:BOT_API_KEY \
-d $"content=New content"
```
{end_tabs}
## Permissions
You only have permission to edit a message if:
1. You sent it, **OR**:
2. This is a topic-only edit for a (no topic) message, **OR**:
3. This is a topic-only edit and you are an admin.
## Arguments
{generate_api_arguments_table|zulip.yaml|/messages/{message_id}:patch}
## Response
#### Example response
A typical successful JSON response may look like:
{generate_code_example|/messages/{message_id}:patch|fixture(200)}
A typical JSON response for when one doesn't have the permission to
edit a particular message:
{generate_code_example|/messages/{message_id}:patch|fixture(400)}