This is a prototype of what could be a JSON encoding of CRS objects if that encoding was derived from the UML of the ISO 19111 abstract model. This is not a standard, and may never be. This server is provided for evaluation purposes only. See the CRS-JSON-Encoding project on GitHub for more information.
Put an EPSG code and the end of the URL. Examples for Coordinate Reference Systems:
This demo accepts also coordinate operations. Examples:
Other types accepted by the demo are cs and datum.
The output can be validated, for example, with www.jsonschemavalidator.net. The schema to provide is here.
The source code of this demo is available on GitHub under Apache 2 license.