HTML integration
curl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://recommendationengine.googleapis.com/v1beta1/{name}curl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://recommendationengine.googleapis.com/v1beta1/{name}/operationscurl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://recommendationengine.googleapis.com/v1beta1/{parent}/catalogs