# Update Broadcast

PATCH

/

broadcasts

/

:broadcast\_id

:::code-group
```typescript title="Node.js"
import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.broadcasts.update(
  '49a3999c-0ce1-4ea6-ab68-afcd6dc2e794',
  {
    html: 'Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}',
  },
);
```

```php title="PHP"
$resend = Resend::client('re_xxxxxxxxx');

$resend->broadcasts->update('49a3999c-0ce1-4ea6-ab68-afcd6dc2e794', [
  'html' => 'Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}',
]);
```

```python title="Python"
import resend

resend.api_key = "re_xxxxxxxxx"

params: resend.Broadcasts.UpdateParams = {
  "broadcast_id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794",
  "html": "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}"
}

resend.Broadcasts.update(params)
```

```ruby title="Ruby"
require "resend"

Resend.api_key = "re_xxxxxxxxx"

params = {
  "broadcast_id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794",
  "html": "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}",
}
Resend::Broadcasts.update(params)
```

```go title="Go"
package main

import "github.com/resend/resend-go/v4"

func main() {
	client := resend.NewClient("re_xxxxxxxxx")

	params := &resend.UpdateBroadcastRequest{
		BroadcastId: "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794",
		Html:        "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}",
	}

	client.Broadcasts.Update(params)
}
```

```rust title="Rust"
use resend_rs::{types::UpdateBroadcastOptions, Resend, Result};

#[tokio::main]
async fn main() -> Result<()> {
  let resend = Resend::new("re_xxxxxxxxx");

  let id = "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794";
  let html = "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}";

  let opts = UpdateBroadcastOptions::new().with_html(html);

  let _broadcast = resend.broadcasts.update(id, opts).await?;

  Ok(())
}
```

```java title="Java"
import com.resend.Resend;
import com.resend.services.broadcasts.model.UpdateBroadcastOptions;
import com.resend.services.broadcasts.model.UpdateBroadcastResponseSuccess;

Resend resend = new Resend("re_xxxxxxxxx");

UpdateBroadcastOptions params = UpdateBroadcastOptions.builder()
    .id("49a3999c-0ce1-4ea6-ab68-afcd6dc2e794")
    .html("Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}")
    .build();

UpdateBroadcastResponseSuccess data = resend.broadcasts().update(params);
```

```csharp title=".NET"
using Resend;

IResend resend = ResendClient.Create( "re_xxxxxxxxx" ); // Or from DI

var resp = await resend.BroadcastUpdateAsync(
    new Guid( "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794" ),
    new BroadcastUpdateData()
    {
        HtmlBody = "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}",
    }
);
```

```shellscript title="cURL"
curl -X PATCH 'https://api.resend.com/broadcasts/49a3999c-0ce1-4ea6-ab68-afcd6dc2e794' \
     -H 'Authorization: Bearer re_xxxxxxxxx' \
     -H 'Content-Type: application/json' \
     -d $'{
  "html": "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}"
}'
```

```shellscript title="CLI"
resend broadcasts update 49a3999c-0ce1-4ea6-ab68-afcd6dc2e794 \
  --html "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}"
```
:::

:::code-group
```json title="Response"
{
  "object": "broadcast",
  "id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794"
}
```
:::

## Path Parameters

## Body Parameters

string

Sender email address.To include a friendly name, use the format `"Your Name <sender@domain.com>"`.

string

Email subject.

string

The HTML version of the message.

string

The plain text version of the message.

:::callout{intent="info"}
If not provided, the HTML will be used to generate a plain text version. You can opt out of this behavior by setting value to an empty string.
:::

React.ReactNode

The React component used to write the message. _Only available in the Node.js SDK._

string

The friendly name of the broadcast. Only used for internal reference.

:::code-group
```typescript title="Node.js"
import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.broadcasts.update(
  '49a3999c-0ce1-4ea6-ab68-afcd6dc2e794',
  {
    html: 'Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}',
  },
);
```

```php title="PHP"
$resend = Resend::client('re_xxxxxxxxx');

$resend->broadcasts->update('49a3999c-0ce1-4ea6-ab68-afcd6dc2e794', [
  'html' => 'Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}',
]);
```

```python title="Python"
import resend

resend.api_key = "re_xxxxxxxxx"

params: resend.Broadcasts.UpdateParams = {
  "broadcast_id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794",
  "html": "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}"
}

resend.Broadcasts.update(params)
```

```ruby title="Ruby"
require "resend"

Resend.api_key = "re_xxxxxxxxx"

params = {
  "broadcast_id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794",
  "html": "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}",
}
Resend::Broadcasts.update(params)
```

```go title="Go"
package main

import "github.com/resend/resend-go/v4"

func main() {
	client := resend.NewClient("re_xxxxxxxxx")

	params := &resend.UpdateBroadcastRequest{
		BroadcastId: "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794",
		Html:        "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}",
	}

	client.Broadcasts.Update(params)
}
```

```rust title="Rust"
use resend_rs::{types::UpdateBroadcastOptions, Resend, Result};

#[tokio::main]
async fn main() -> Result<()> {
  let resend = Resend::new("re_xxxxxxxxx");

  let id = "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794";
  let html = "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}";

  let opts = UpdateBroadcastOptions::new().with_html(html);

  let _broadcast = resend.broadcasts.update(id, opts).await?;

  Ok(())
}
```

```java title="Java"
import com.resend.Resend;
import com.resend.services.broadcasts.model.UpdateBroadcastOptions;
import com.resend.services.broadcasts.model.UpdateBroadcastResponseSuccess;

Resend resend = new Resend("re_xxxxxxxxx");

UpdateBroadcastOptions params = UpdateBroadcastOptions.builder()
    .id("49a3999c-0ce1-4ea6-ab68-afcd6dc2e794")
    .html("Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}")
    .build();

UpdateBroadcastResponseSuccess data = resend.broadcasts().update(params);
```

```csharp title=".NET"
using Resend;

IResend resend = ResendClient.Create( "re_xxxxxxxxx" ); // Or from DI

var resp = await resend.BroadcastUpdateAsync(
    new Guid( "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794" ),
    new BroadcastUpdateData()
    {
        HtmlBody = "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}",
    }
);
```

```shellscript title="cURL"
curl -X PATCH 'https://api.resend.com/broadcasts/49a3999c-0ce1-4ea6-ab68-afcd6dc2e794' \
     -H 'Authorization: Bearer re_xxxxxxxxx' \
     -H 'Content-Type: application/json' \
     -d $'{
  "html": "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}"
}'
```

```shellscript title="CLI"
resend broadcasts update 49a3999c-0ce1-4ea6-ab68-afcd6dc2e794 \
  --html "Hi {{{contact.first_name|there}}}, you can unsubscribe here: {{{RESEND_UNSUBSCRIBE_URL}}}"
```
:::

```json
{
  "object": "broadcast",
  "id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794"
}
```

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## Related pages

- [Account Management](./account-management-index.md)
- [API Keys](./api-keys-2-index.md)
- [API Keys](./api-keys-index.md)
- [API Reference](./api-reference-index.md)
- [AudiencesDEPRECATED](./audiencesdeprecated-index.md)
- [Authorized Apps](./authorized-apps-index.md)
- [Automations](./automations-index.md)
- [Broadcasts](./broadcasts-index.md)
- [Build with AI](./build-with-ai-index.md)
- [Changelog](../changelog.md)

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