You can query Elastic for specific fields only: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-fields.html https://www.elastic.co/guide/

You can query Elastic for specific fields only: https://www.elastic.co/guide/en/elasticsearch/reference/current/search-fields.html https://www.elastic.co/guide/en/elasticsearch/reference/curr... Edit: As you said, there may be reasons on the backend not to filter things out of the query. Though it seems likely that the web response could be trimmed down.