List web tracking keys

Lists the publishable keys that let a website send on-site events (product views, cart activity, collection views, search) into this workspace. Each key includes a paste-ready install snippet and its origin allowlist. A key whose lastUsedAt is null has not successfully authenticated an event yet; it may be undeployed, have no instrumented traffic, or be sending requests rejected by its origin allowlist. Shopify stores use the storefront pixel instead. Requires the integrations:manage scope.