# Delivery

## Updated

`com.twilio.conversations.delivery.updated`

> \[!CAUTION]
>
> This event type has been [discontinued](/docs/events/event-types-lifecycle#event-type-status-details). You may not receive events for discontinued event types, even if you previously added them to an existing subscription. [Learn more](/docs/conversations/conversations-webhooks#ondeliveryupdated).

Delivery Updated events are compatible with Webhook and Kinesis sinks. To learn more, you can get started with the [Webhook](/docs/events/webhook-quickstart) or [Kinesis](/docs/events/eventstreams-quickstart) quickstarts and refer to the [product documentation](/docs/conversations/conversations-webhooks#ondeliveryupdated).

**Examples**

```json
{
  "specversion" : "1.0",
  "type" : "com.twilio.conversations.delivery.updated",
  "source" : "AB00000000000000000000000001",
  "id" : "NO00000000000000000000000001",
  "dataschema" : "https://events-schemas.twilio.com/Conversations.DeliveryUpdated/2",
  "datacontenttype" : "2025-10-08T07:17:02.363Z",
  "data" : {
    "AccountSid" : "ACe95cfd541a925a3337fec19a0200009",
    "ConversationSid" : "CHee95cfd541a925a3337fec19a0200009",
    "ChatServiceSid" : "ISee95cfd541a925a3337fec19a0200009",
    "MessageSid" : "IMee95cfd541a925a3337fec19a0200009",
    "DeliveryReceiptSid" : "DYee95cfd541a925a3337fec19a0200009",
    "ChannelMessageSid" : "WAee95cfd541a925a3337fec19a0200009",
    "ParticipantSid" : "MBee95cfd541a925a3337fec19a0200009",
    "Status" : "read",
    "ErrorCode" : 50514,
    "DateCreated" : "2025-01-01T00:00:00.000Z",
    "DateUpdated" : "2025-01-01T00:00:01.000Z"
  }
}
```

**Versions**

#### v2 (latest)

> \[!NOTE]
>
> v2 only contains updates to the schema metadata. In other words, there are no new fields between v1 and v2.

* `string` **AccountSid**. Account SID of the event owner. For example: ACe95cfd541a925a3337fec19a0200009.
* `string` **ConversationSid**. SID of the conversation. For example: CHee95cfd541a925a3337fec19a0200009.
* `string` **ChatServiceSid**. SID of the conversation service. For example: ISee95cfd541a925a3337fec19a0200009.
* `string` **MessageSid**. SID of the Conversation message: IMee95cfd541a925a3337fec19a0200009.
* `string` **DeliveryReceiptSid**. SID of the delivery receipt. For example: DYee95cfd541a925a3337fec19a0200009.
* `string` **ChannelMessageSid**. SID of the channel message. WAxxxxx for WhatsApp, SMxxxxx for SMS.
* `string` **ParticipantSid**. SID of the participant. For example: MBee95cfd541a925a3337fec19a0200009.
* `string` **Status**. Status of the message. One of: read, failed, delivered, undelivered or sent.
* `integer` **ErrorCode**. Twilio documented numeric error code.
* `string` **DateCreated**. Creation date of the event in ISO 8601 format.
* `string` **DateUpdated**. Update date of the event in ISO 8601 format.

The full specification for version 2 is also available as a [JSON schema](https://events-schemas.twilio.com/Conversations.DeliveryUpdated/2).

#### v1

* `string` **AccountSid**. Account SID of the event owner. For example: ACe95cfd541a925a3337fec19a0200009.
* `string` **ConversationSid**. SID of the conversation. For example: CHee95cfd541a925a3337fec19a0200009.
* `string` **ChatServiceSid**. SID of the conversation service. For example: ISee95cfd541a925a3337fec19a0200009.
* `string` **MessageSid**. SID of the Conversation message: IMee95cfd541a925a3337fec19a0200009.
* `string` **DeliveryReceiptSid**. SID of the delivery receipt. For example: DYee95cfd541a925a3337fec19a0200009.
* `string` **ChannelMessageSid**. SID of the channel message. WAxxxxx for WhatsApp, SMxxxxx for SMS.
* `string` **ParticipantSid**. SID of the participant. For example: MBee95cfd541a925a3337fec19a0200009.
* `string` **Status**. Status of the message. One of: read, failed, delivered, undelivered or sent.
* `integer` **ErrorCode**. Twilio documented numeric error code.
* `string` **DateCreated**. Creation date of the event in ISO 8601 format.
* `string` **DateUpdated**. Update date of the event in ISO 8601 format.

The full specification for version 1 is also available as a [JSON schema](https://events-schemas.twilio.com/Conversations.DeliveryUpdated/1).