Google Chat

Google Chat apps authenticate with a service account JSON key and project number.

Setup

Create a Google Chat app with a service account
Download the service account key JSON
Note the GCP project number (not project ID)
Configure the HTTP App URL (and Pub/Sub push endpoint if using Workspace Events)
Use the space name as target_chat_id (for example spaces/AAAA)

Register


{
  "channel_id": "ops-gchat",
  "platform": "gchat",
  "target_chat_id": "spaces/AAAA",
  "credentials": {
    "service_account_json": "{\"type\":\"service_account\",...}",
    "google_chat_project_number": "123456789"
  },
  "channel_type": "PROMPT"
}

service_account_json is the full key file contents as a JSON string.

Credentials

Field	Required
`service_account_json`	Yes (valid JSON string)
`google_chat_project_number`	Yes
`pubsub_topic`	No
`pubsub_audience`	No
`impersonate_user`	No

Webhook URL


{PUBLIC_WEBHOOK_URL}/webhooks/{organization_id}/gchat/{channel_id}

Set this as the App URL in Chat API configuration.