# Coordinate Reference Systems

 - [GET /crs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20all%20crs.md): Get all the CRSes (any sub-type) defined in the catalog.
 - [POST /crs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20one%20crs.md): Get one CRS (any sub-type) given its essence
 - [GET /compoundcrs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20all%20compoundcrs.md): Get all the CompoundCRSes defined in the catalog.
 - [POST /compoundcrs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20one%20compoundcrs.md): Get one the CompoundCRS given its essence.
 - [GET /earlyboundcrs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20all%20earlyboundcrs.md): Get all the EarlyBoundCRSes defined in the catalog.
 - [POST /earlyboundcrs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20one%20earlyboundcrs.md): Get one EarlyBoundCRS given its essence
 - [GET /lateboundcrs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20all%20lateboundcrs.md): Get all the LateBoundCRSes defined in the catalog.
 - [POST /lateboundcrs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/get%20one%20lateboundcrs.md): Get one LateBoundCRS given its persistable reference string or essence structure.
 - [POST /search/crs](https://developer.slb.com/solutions/core-service/apis/osdu-crs-catalog-service-v2/coordinate-reference-systems/search%20crs.md): Search CRS records (any sub-type) by keywords and/or geographic area. Geographical constraints are passed (optionally) as parameters via the query URL, search keywords are passed via the request body.