Lookup Container - Markifact

Finds a Google Tag Manager container by its public tag ID (GTM-XXXXXX) or by a linked Google tag destination ID (e.g. a GA4 measurement ID), without knowing which account owns it.


App	Google Tag Manager
Operation ID	`gtm_lookup_container`
Type	Action
Connection	`gtm` (required)
Credits per run	1
Agent / MCP tool	Yes

Inputs

Field	Type	Required	Default	Description
`tag_id`	string	No	-	Look up by the container’s public tag ID, e.g. GTM-ABC123. Provide either tag_id or destination_id, not both.
`destination_id`	string	No	-	Look up by a linked Google tag destination ID, e.g. a GA4 measurement ID like G-XXXXXXX. Provide either tag_id or destination_id, not both.

Output

Type: Dict Returns the matching container as provided by the Tag Manager API, including its accountId.