Conformance
- http://www.opengis.net/spec/ogcapi-common-1/1.0/conf/core
- http://www.opengis.net/spec/ogcapi-common-2/1.0/conf/collections
- http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/core
- http://www.opengis.net/spec/ogcapi-features-3/1.0/req/filter
- http://www.opengis.net/spec/ogcapi-records-1/1.0/conf/core
- http://www.opengis.net/spec/ogcapi-records-1/1.0/conf/sorting
- http://www.opengis.net/spec/ogcapi-records-1/1.0/conf/json
- http://www.opengis.net/spec/ogcapi-records-1/1.0/conf/html
- https://api.stacspec.org/v1.0.0-beta.4/core
- https://api.stacspec.org/v1.0.0-beta.4/item-search
- https://api.stacspec.org/v1.0.0-beta.4/item-search#filter
- https://api.stacspec.org/v1.0.0-beta.4/item-search#sort