Update conversation metadata¶

Replace all metadata of a local conversation.

POST https://token.moi.matrixorigin.cn/v1/conversations/{conversation_id}

Before you begin¶

Prepare a personal access token with Genesis access.
Use the credential used to Create a conversation, and choose a local conversation that has not been deleted or bound to an upstream model.

Request example¶

Replace $GENESIS_ACCESS_TOKEN and $CONVERSATION_ID with your personal access token and the selected conversation ID.

curl -X POST "https://token.moi.matrixorigin.cn/v1/conversations/$CONVERSATION_ID" \
  -H "Authorization: Bearer $GENESIS_ACCESS_TOKEN" \
  -H 'Content-Type: application/json' \
  -d '{
  "metadata": {
    "purpose": "support"
  }
}'

Path parameters¶

Parameter	Type	Required	Description
`conversation_id`	string	Yes	The `id` returned when creating the conversation.

Request body¶

Parameter	Type	Required	Description
`metadata`	object	No	Replaces all existing metadata. Omitting this field or passing an empty object clears the metadata.
`metadata.<key>`	any	No	Caller-defined keys and values, such as `purpose`.

Successful response¶

A successful request returns the conversation with its replaced metadata.

Response example

{
  "id": "$CONVERSATION_ID",
  "object": "conversation",
  "metadata": {
    "purpose": "support"
  },
  "status": "active",
  "created_at": 1780000000,
  "updated_at": 1780000000
}

Fields

Field	Type	Description
`id`	string	Conversation identifier for retrieval, updates, and deletion.
`object`	string	Always `conversation`.
`metadata`	object	Custom conversation metadata.
`metadata.<key>`	any	Caller-defined keys and values, such as `purpose`.
`status`	string	Conversation status; `active` after creation.
`created_at`	integer	Creation time as a Unix timestamp in seconds.
`updated_at`	integer	Last update time as a Unix timestamp in seconds.

Error response¶

The request returns 404 when the resource is missing, deleted, or inaccessible to the current credential.

Response example

{
  "error": {
    "message": "conversation not found",
    "type": "conversation_not_found",
    "code": "conversation_not_found"
  }
}

Fields

Field	Type	Description
`error`	object	Error details.
`error.message`	string	Error description.
`error.type`	string	Error type.
`error.code`	string	Error code.

Next steps¶

Use the conversation id to Retrieve a conversation and check the replaced metadata.

Last updated on Sep 15, 2026