Upsert Custom Template Associations
Upsert new custom template associations data across all storefronts. If an existing record is found for the combination of channel ID, entity ID, and type, the existing record will be overwritten with the new template.
Authentication
X-Auth-Tokenstring
### OAuth scopes
| UI Name | Permission | Parameter |
|:--------|:-----------|:----------|
| Themes |Read-only|`store_themes_read_only`|
| Themes |Manage|`store_themes_manage`|
### Authentication header
| Header | Argument | Description |
|:-------|:---------|:------------|
| `X-Auth-Token` | `access_token` | For more about API accounts that generate `access_token`s, see our [Guide to API Accounts](/developer/docs/overview/api-accounts#api-accounts). |
### Further reading
For example requests and more information about authenticating BigCommerce APIs, see [Authentication and Example Requests](/developer/docs/overview/api-accounts#x-auth-token-header-example-requests).
For more about BigCommerce OAuth scopes, see our [Guide to API Accounts](/developer/docs/overview/api-accounts#oauth-scopes).
For a list of API status codes, see [API Status Codes](/developer/api-reference/rest/overview#rest-http-status-codes).
Request
channel_id
entity_type
Allowed values:
entity_id
file_name
Response
Success response for batch upsert of custom template associations
Errors
422
Unprocessable Entity Error
