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Conversations Webhooks

Public Beta

Twilio's Conversations API is currently available as a Public Beta product. Some features are not yet implemented and others may be changed before the product is declared as Generally Available.

Public Beta products are not covered by a Twilio SLA.

Conversations sends pre-action and post-action webhooks for most events that happen in your application. These webhooks allow you to monitor and intercept user actions in your own backend service, in a Function, or in a Studio flow. You may also use these webhooks to store activity logs in a system of record or a logging server within your own application.

You can configure the global webhooks through the Console, or through the REST API.

Note: The Conversation-scoped webhooks may only be modified via the REST API.

Conversations Webhooks Configuration

In addition to configuring the URLs for pre-action and post-action webhooks, you can choose to send only certain webhooks to your servers. This helps avoid unnecessarily burdening your web application with traffic.

Conversations Webhooks Filtering

Twilio can send your web application an HTTP request when certain events happen, such as an incoming text message to one of your Twilio phone numbers. These requests are called webhooks, or status callbacks. For more, check out our guide to Getting Started with Twilio Webhooks. Find other webhook pages, such as a security guide and an FAQ in the Webhooks section of the docs.

Webhook Action Triggers

Most actions — but not all of them — have both a pre-action and a post-action webhook. The former is fired before the action has been published, and Twilio waits for a response before publishing it. The latter are fired after publication, assuming the action was not rejected by your pre-action webhook response.

The below table enumerates all Conversations webhook actions in corresponding pairs.

Pre-Action Post-Action Description (incl. Post-Action)
onMessageAdd onMessageAdded Fires when a new message is posted to a conversation.
onMessageRemove onMessageRemoved Fires when a message is deleted from a conversation.
onMessageUpdate onMessageUpdated Fires when a posted message's body or any attribute is changed.
onConversationAdd onConversationAdded Fires when a new conversation is created.
onConversationUpdate onConversationUpdated Fires when any attribute of a conversation is changed.
onConversationRemove onConversationRemoved Fires when a conversation is removed from the Service.
onParticipantAdd onParticipantAdded Fires when a Participant has joined a Conversation as a Member.
onParticipantRemove onParticipantRemoved Fires when a User is removed from the set of Conversation Members.
onParticipantUpdate onParticipantUpdated Fires when any configurable attribute of a User is changed. Will not be fired for reachability events.

Triggering Webhooks for REST API Events

Upon configuration, only actions from SDK-driven clients (like mobile phones or browsers) or SMS-based Participants will cause webhooks without further action on your part. This includes both Service-level webhooks and Conversation-Scoped Webhooks. This is a default behavior to help avoid infinite feedback loops.

Your Post-Event Webhook target, however, may be an important tool for archiving. In this case, you may also want to enable webhook "echoes" from actions you take on the REST API. To do so, you can add a header X-Twilio-Webhook-Enabled=true to any such request. Requests bearing this header will yield webhooks to the configured Post-Event webhook target.

Using Pre-Action Webhooks to Modify or Reject Changes

In the case of Pre-Action webhooks, Twilio will wait for a response from your service before publishing a result. The arrival, HTTP status code, and content of your response determines how Conversations will proceed.

Response Status Code Body Result
HTTP 200 OK {} (or no content) Conversations will publish the change unmodified.
HTTP 200 OK

{ "body": "modified message" }

(See the list of modifiable fields.)

Conversations will publish the change with modifications as given in the response.

All values are optional, and missing fields will be left unmodified from the original event. See below for which fields can be modified for each data type (Conversations or Messages).

If modified values fail validation, the error will be returned to the SDK (or REST client) that triggered the event.

HTTP 40x (any error condition) N/A Conversations will reject the change and no publication will be made.
HTTP 50x (any error condition) N/A Conversations will reject the change and no publication will be made.
(no response or timeout) Conversations will publish the change unmodified after a series of retries; your messages will be delayed accordingly.

Modifiable Fields

Conversation Actions

In response to the onConversationAdd and onConversationUpdate actions, your Pre-Action Webhook response may modify the following property of the conversation:

  • friendly_name

An example response modifying a conversation

HTTP 200 OK
Content-Type: text/json
{
"friendly_name": "friendly name of conversation"
}


Message Actions

In response to onMessageAdd and onMessageUpdate actions, your Pre-Action Webhook response may modify the following properties of the message:

  • body
  • author

An example response modifying a message.

HTTP 200 OK
Content-Type: text/json
{
"body": "modified message text",
"author": "modified author name"
}

Configuring Webhooks with the REST API

Your Conversations service can have global webhooks that apply to every conversation within the service, or you can specify webhooks per conversation.

If you would like to use pre-action webhooks, those must be specified as global webhooks. Post-action webhooks may be consumed by either global or conversation-specific webhooks.

        
        
        
        
        This API retrieves the configuration of a global webhook capturing events for entire service instance.

        Retrieve Existing Global Webhook Configuration for a Conversation Service

        This API retrieves the configuration of a global webhook capturing events for entire service instance.
              
              
              
              
              This API updates the configuration of global webhook capturing events for entire service instance.

              Update Global Webhook Configuration for a Conversation Service

              This API updates the configuration of global webhook capturing events for entire service instance.
                    
                    
                    
                    
                    This API retrieves the list of scoped webhooks configured for a specific Conversation.

                    List the Scoped Webhooks for a Conversation

                    This API retrieves the list of scoped webhooks configured for a specific Conversation.
                          
                          
                          
                          
                          This API fetches the configuration of a specific scoped webhook configured for the given Conversation.

                          Retrieve the Configuration for a Specific Webhook

                          This API fetches the configuration of a specific scoped webhook configured for the given Conversation.
                                
                                
                                
                                
                                This API creates a new scoped webhook for the given Conversation.

                                Create New Scoped Webhook Configuration

                                This API creates a new scoped webhook for the given Conversation.

                                Webhook Bodies by Event Type

                                When Twilio makes an HTTP request to your server, it includes information about the action that triggered the webhook call to your web application. Each action has its own event type.

                                In addition to the event-specific parameters, each request also contains the following parameters and information:

                                parameter name type description
                                AccountSid string, SID The Twilio Account SID
                                EventType string One of the known webhook types. Each of these string values is documented in the corresponding section.

                                Note: Each HTTP request is issued with the Content-Type header application/x-www-urlencoded.

                                Pre-action Webhooks

                                onConversationAdd

                                You may modify the FriendlyName of this conversation by replying to this webhook with a JSON object that contains the new friendly name.

                                parameter name type description
                                EventType string Always onConversationAdd
                                FriendlyName string, optional The friendly name of the conversation, if set
                                ChatServiceSid string, SID Chat Service instance SID
                                MessagingServiceSid string, SID Messaging Service instance SID
                                MessagingBinding.ProxyAddress string, optional (see note) Twilio Brand phone number used by channel creator
                                MessagingBinding.Address string, optional (see note) Originating phone number of the channel creator
                                MessageBody string, optional Initial conversation message string

                                Note: MessagingBinding.ProxyAddress and MessagingBinding.Address attributes are null if the Conversation is created from the REST API and there are no participants yet.

                                onConversationRemove

                                parameter name type description
                                EventType string Always onConversationRemove
                                ConversationSid string, SID Conversation String Identifier
                                DateCreated string, ISO8601 time The date of creation of the conversation
                                DateUpdated string, ISO8601 time The last modification date of the conversation
                                FriendlyName string, optional The friendly name of the conversation, if set
                                ChatServiceSid string, SID Chat Service instance SID
                                MessagingServiceSid string, SID Messaging Service instance SID

                                onConversationUpdate

                                You may modify the FriendlyName of this conversation by replying to this webhook with a JSON object that contains the new friendly name.

                                parameter name type description
                                EventType string Always onConversationUpdate
                                ConversationSid string, SID Conversation String Identifier
                                DateCreated string, ISO8601 time The date of creation of the conversation
                                DateUpdated string, ISO8601 time The last modification date of the conversation
                                FriendlyName string, optional The friendly name of the conversation, if set
                                ChatServiceSid string, SID Chat Service instance SID
                                MessagingServiceSid string, SID Messaging Service instance SID

                                onParticipantAdd

                                parameter name type description
                                EventType string Always onParticipantAdd
                                ConversationSid string, SID Conversation String Identifier
                                Identity string, optional (see note) The Identity of the Chat User being added to the conversation
                                MessagingBinding.ProxyAddress string, optional (see note) Twilio Brand phone number used by participant
                                MessagingBinding.Address string, optional (see note) Originating phone number of the participant
                                MessagingBinding.Type string Type of the participant, one of: SMS, CHAT, WHATSAPP

                                Note: A Conversation Participant has either the Identity or MessagingBinding ProxyAddress and Address attributes filled in. In case the added participant is SMS or WhatsApp, Identity is null and both addresses are supplied. If the added participant is Chat-only, the Identity value is provided, and both MessagingBinding addresses are null.

                                onParticipantRemove

                                parameter name type description
                                EventType string Always onParticipantRemove
                                ConversationSid string, SID Conversation String Identifier
                                ParticipantSid string, SID Participant String Identifier
                                DateCreated string, ISO8601 time Creation date of the participant
                                DateUpdated string, ISO8601 time The last modification date of the participant
                                Identity string, optional (see note) The Identity of the Chat User being added to the conversation
                                MessagingBinding.ProxyAddress string, optional (see note) Twilio Brand phone number used by participant
                                MessagingBinding.Address string, optional (see note) Originating phone number of the participant
                                MessagingBinding.Type string Type of the participant, one of: SMS, CHAT, WHATSAPP

                                Note: A Conversation Participant has either the Identity or MessagingBinding.ProxyAddress and MessagingBinding.Address attributes supplied. In case the added participant is SMS or WhatsApp, Identity is null and both addresses are supplied. If the added participant is Chat-only, the Identity value is provided, and both MessagingBinding addresses are null.

                                onParticipantUpdate

                                parameter name type description
                                EventType string Always onParticipantUpdate
                                ConversationSid string, SID Conversation String Identifier
                                ParticipantSid string, SID Participant String Identifier
                                DateCreated string, ISO8601 time Creation date of the participant
                                DateUpdated string, ISO8601 time The last modification date of the participant
                                Identity string, optional (see note) The Identity of the Chat User being added to the conversation
                                MessagingBinding.ProxyAddress string, optional (see note) Twilio Brand phone number used by participant
                                MessagingBinding.Address string, optional (see note) Originating phone number of the participant
                                MessagingBinding.Type string Type of the participant, one of: SMS, CHAT, WHATSAPP

                                Note: Participant has either Identity or MessagingBinding.ProxyAddress and MessagingBinding.Address attributes supplied. In case the added participant is SMS or WhatsApp, Identity is null and both addresses are supplied. If the added participant is Chat-only, the Identity value is provided, and both MessagingBinding addresses are null.

                                onMessageAdd

                                Your application may modify the Body and Author parameters in the pre-event webhook. To update these parameters, reply to the webhook with a JSON object that contains the relevant keys and values.

                                parameter name type description
                                EventType string Always onMessageAdd
                                ConversationSid string Conversation SID identifier for the conversation the message is being added to.
                                Body string The body of the message
                                Author string The author of the message
                                ParticipantSid string, optional Participant SID of the message author

                                onMessageUpdate

                                Your application may modify the Body and Authorparameters in the pre-event webhook. To update these parameters, reply to the webhook with a JSON object that contains the relevant keys and values.

                                parameter name type description
                                EventType string Always onMessageUpdate
                                ConversationSid string Conversation SID identifier for the conversation the message is in.
                                MessageSid string Message sid identifier
                                Index int Message index in the messages stream
                                DateCreated string, ISO8601 time Creation date of the message
                                DateUpdated string, ISO8601 time Last modification date of the message
                                Body string The body of the message
                                Author string The author of the message
                                ParticipantSid string, optional Participant SID of the message author

                                onMessageRemove

                                parameter name type description
                                EventType string Always onMessageRemove
                                ConversationSid string Conversation SID identifier for the conversation the message is being removed from.
                                MessageSid string Message sid identifier
                                Index int Message index in the messages stream
                                DateCreated string, ISO8601 time Creation date of the message
                                DateUpdated string, ISO8601 time Last modification date of the message
                                Body string The body of the message
                                Author string The author of the message
                                ParticipantSid String, optional Participant SID of the message author

                                Post Action Webhooks request parameters

                                onConversationAdded

                                parameter name type description
                                EventType string Always onConversationAdded
                                ConversationSid string, SID Conversation Sid identifier
                                DateCreated string, ISO8601 time The date of creation of the conversation
                                FriendlyName string, optional The friendly name of the conversation, if set
                                ChatServiceSid string, SID Chat Service instance SID
                                MessagingServiceSid string, SID Messaging Service instance SID

                                onConversationRemoved

                                parameter name type description
                                EventType string Always onConversationRemoved
                                ConversationSid string, SID Conversation String Identifier
                                DateCreated string, ISO8601 time The date of creation of the conversation
                                DateUpdated string, ISO8601 time The last modification date of the conversation
                                DateRemoved string, ISO8601 time The date the conversation was removed
                                FriendlyName string, optional The friendly name of the conversation, if set
                                ChatServiceSid string, SID Chat Service instance SID
                                MessagingServiceSid string, SID Messaging Service instance SID

                                onConversationUpdated

                                You may modify the FriendlyName of this conversation by replying to this webhook with a JSON object that contains the new friendly name.

                                parameter name type description
                                EventType string Always onConversationUpdated
                                ConversationSid string, SID Conversation String Identifier
                                DateCreated string, ISO8601 time The date of creation of the conversation
                                DateUpdated string, ISO8601 time The last modification date of the conversation
                                FriendlyName string, optional The friendly name of the conversation, if set
                                ChatServiceSid string, SID Chat Service instance SID
                                MessagingServiceSid string, SID Messaging Service instance SID

                                onParticipantAdded

                                parameter name type description
                                EventType string Always onParticipantAdded
                                ConversationSid string, SID Conversation String Identifier
                                ParticipantSid string, SID Participant String Identifier
                                DateCreated string, ISO8601 time The date of creation of the participant
                                Identity string, optional (see note) The Identity of the Chat User being added to the conversation
                                MessagingBinding.ProxyAddress string, optional (see note) Twilio Brand phone number used by participant
                                MessagingBinding.Address string, optional (see note) Originating phone number of the participant
                                Type string Type of the participant, one of: SMS, CHAT, WHATSAPP

                                Note: Participant has either the Identity or MessagingBinding ProxyAddress and Address attributes filled in. If the added participant is SMS or WhatsApp, Identity is null and both addresses are supplied. If the added participant is Chat-only, the Identity value is provided, and both MessagingBinding addresses are null.

                                onParticipantRemoved

                                parameter name type description
                                EventType string Always onParticipantRemoved
                                ConversationSid string, SID Conversation String Identifier
                                ParticipantSid string, SID Participant String Identifier
                                DateCreated string, ISO8601 time Creation date of the participant
                                DateUpdated string, ISO8601 time The last modification date of the participant
                                DateRemoved string, ISO8601 time The date the participant was removed
                                Identity string, optional (see note) The Identity of the Chat User being added to the conversation
                                MessagingBinding.ProxyAddress string, optional (see note) Twilio Brand phone number used by participant
                                MessagingBinding.Address string, optional (see note) Originating phone number of the participant
                                Type string Type of the participant, one of: SMS, CHAT, WHATSAPP

                                Note: Participant has either theIdentity or MessagingBinding.ProxyAddress and MessagingBinding.Address attributes supplied. If the added participant is Chat-only, the Identity value is provided, and both MessagingBinding addresses are null.

                                onParticipantUpdated

                                parameter name type description
                                EventType string Always onParticipantUpdated
                                ConversationSid string, SID Conversation String Identifier
                                ParticipantSid string, SID Participant String Identifier
                                DateCreated string, ISO8601 time Creation date of the participant
                                DateUpdated string, ISO8601 time The last modification date of the participant
                                Identity string, optional (see note) The Identity of the Chat User being added to the conversation
                                MessagingBinding.ProxyAddress string, optional (see note) Twilio Brand phone number used by participant
                                MessagingBinding.Address string, optional (see note) Originating phone number of the participant
                                Type string Type of the participant, one of: SMS, CHAT, WHATSAPP

                                Note: Participant has either the Identity or MessagingBinding.ProxyAddress and MessagingBinding.Address attributes supplied. If the added participant is Chat-only, the Identity value is provided, and both MessagingBinding addresses are null.

                                onMessageAdded

                                parameter name type description
                                EventType string Always onMessageAdded
                                ConversationSid string Conversation SID identifier for the conversation the message is being added to.
                                MessageSid string Message sid identifier
                                Index int Message index in the messages stream
                                DateCreated string, ISO8601 time Creation date of the message
                                Body string The body of the message
                                Author string The author of the message
                                ParticipantSid String, optional Participant SID of the message author

                                onMessageUpdated

                                parameter name type description
                                EventType string Always onMessageUpdated
                                ConversationSid string Conversation SID identifier for the conversation the message is in.
                                MessageSid string Message sid identifier
                                Index int Message index in the messages stream
                                DateCreated string, ISO8601 time Creation date of the message
                                DateUpdated string, ISO8601 time Last modification date of the message
                                Body string The body of the message
                                Author string The author of the message
                                ParticipantSid string, optional Participant SID of the message author

                                onMessageRemoved

                                parameter name type description
                                EventType string Always onMessageRemoved
                                ConversationSid string Conversation SID identifier for the conversation the message was removed from.
                                MessageSid string Message sid identifier
                                Index int Message index in the messages stream
                                DateCreated string, ISO8601 time Creation date of the message
                                DateUpdated string, ISO8601 time Last modification date of the message
                                DateRemoved string, ISO8601 time Date that the message was removed from the conversation
                                Body string The body of the message
                                Author string The author of the message
                                ParticipantSid string, optional Participant SID of the message author
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