Put contactchat — connect

v1

latestOpenAPI 3.0.0Apache 2.0 License2026-07-14171791756.1 KB

Initiates a flow to start a new chat for the customer. Response of this API provides a token required to obtain credentials from the CreateParticipantConnection API in the Amazon Connect Participant Service.

When a new chat contact is successfully created, clients must subscribe to the participant’s connection for the created chat within 5 minutes. This is achieved by invoking CreateParticipantConnection with WEBSOCKET and CONNECTION_CREDENTIALS.

A 429 error occurs in the following situations:

API rate limit is exceeded. API TPS throttling returns a TooManyRequests exception.
The quota for concurrent active chats is exceeded. Active chat throttling returns a LimitExceededException.

If you use the ChatDurationInMinutes parameter and receive a 400 error, your account may not support the ability to configure custom chat durations. For more information, contact Amazon Web Services Support.

For more information about chat, see Chat in the Amazon Connect Administrator Guide.

put/contact/chat

Request body

InstanceIdstring required

The identifier of the Amazon Connect instance. You can <a href="https://docs.aws.amazon.com/connect/latest/adminguide/find-instance-arn.html">find the instance ID</a> in the Amazon Resource Name (ARN) of the instance.

ContactFlowIdstring required

The identifier of the flow for initiating the chat. To see the ContactFlowId in the Amazon Connect console user interface, on the navigation menu go to Routing, Contact Flows. Choose the flow. On the flow page, under the name of the flow, choose Show additional flow information. The ContactFlowId is the last part of the ARN, shown here in bold: arn:aws:connect:us-west-2:xxxxxxxxxxxx:instance/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/contact-flow/846ec553-a005-41c0-8341-xxxxxxxxxxxx

Attributesobject

A custom key-value pair using an attribute map. The attributes are standard Amazon Connect attributes. They can be accessed in flows just like any other contact attributes. There can be up to 32,768 UTF-8 bytes across all key-value pairs per contact. Attribute keys can include only alphanumeric, dash, and underscore characters.

ClientTokenstring

A unique, case-sensitive identifier that you provide to ensure the idempotency of the request. If not provided, the Amazon Web Services SDK populates this field. For more information about idempotency, see <a href="https://aws.amazon.com/builders-library/making-retries-safe-with-idempotent-APIs/">Making retries safe with idempotent APIs</a>.

ChatDurationInMinutesinteger

The total duration of the newly started chat session. If not specified, the chat session duration defaults to 25 hour. The minimum configurable time is 60 minutes. The maximum configurable time is 10,080 minutes (7 days).

SupportedMessagingContentTypesSupportedMessagingContentType[]

The supported chat message content types. Supported types are <code>text/plain</code>, <code>text/markdown</code>, <code>application/json</code>, <code>application/vnd.amazonaws.connect.message.interactive</code>, and <code>application/vnd.amazonaws.connect.message.interactive.response</code>. Content types must always contain <code>text/plain</code>. You can then put any other supported type in the list. For example, all the following lists are valid because they contain <code>text/plain</code>: <code>[text/plain, text/markdown, application/json]</code>, <code>[text/markdown, text/plain]</code>, <code>[text/plain, application/json, application/vnd.amazonaws.connect.message.interactive.response]</code>. <note> The type <code>application/vnd.amazonaws.connect.message.interactive</code> is required to use the <a href="https://docs.aws.amazon.com/connect/latest/adminguide/show-view-block.html">Show view</a> flow block. </note>

RelatedContactIdstring

The unique identifier for an Amazon Connect contact. This identifier is related to the chat starting. <note> You cannot provide data for both RelatedContactId and PersistentChat. </note>

Response

Success

ContactIdstring

The identifier of this contact within the Amazon Connect instance.

ParticipantIdstring

The identifier for a chat participant. The participantId for a chat participant is the same throughout the chat lifecycle.

ParticipantTokenstring

The token used by the chat participant to call <a href="https://docs.aws.amazon.com/connect-participant/latest/APIReference/API_CreateParticipantConnection.html">CreateParticipantConnection</a>. The participant token is valid for the lifetime of a chat participant.

ContinuedFromContactIdstring

The contactId from which a persistent chat session is started. This field is populated only for persistent chats.