REST API ReferenceEndpointsAssistant

Send an assistant message

Sends a follow-up message to an existing assistant chat started with POST /v1/assistants. Asynchronous: the response contains the messageId of the assistant’s pending reply. Poll GET /v1/assistant-messages/{messageId} until status is terminal, or subscribe to assistant_message.* webhooks.

Authentication

AuthorizationBearer
API key from [app.videogen.io/developers](https://app.videogen.io/developers). The full key is only shown once when you create it.

Path parameters

assistantIdstringRequired

The assistant chat id (e.g. vg_asst_...). Every API project has one assistant chat; find it on ProjectResponse.assistantId.

Request

This endpoint expects an object.
messagestringRequired
The message to send to the assistant in this project chat.

Response

Assistant message accepted.
messageIdstring

Opaque assistant message id for the pending assistant reply (e.g. vg_mesg_...). Poll GET /v1/assistant-messages/{messageId}.