# Integrating ASN via REST Interface The technical documentation of the REST-API is contained in the search application itself and can be accessed via \[your NG server]/fact-finder/swagger-ui.html . It can be also accessed via the following URL: Swagger Link: The interface offers not only the parameter documentation, but also the option to test a query and review the result. The documentation was created with Swagger, you can use Swagger Codegen to generate a client for it and use it for your code. ASN information is contained in the search query, so you have to use a search - method. The returned data can be found in the asnGroups -block. ASN information is contained in the `search` query, so you have to use a search - method. The returned data can be found in the `asnGroups` -block.