Search Author API using an author custom field

Summary

You can search authors using any Arc XP Native Specification (ANS) field, standard or custom with Author API.

Use Author API v1 and pass in the search value in the q parameter: https://api.yourorganization.arcpublishing.com/author/v1/author-service/?q={}

Example:

https://api.{{org}}.arcpublishing.com/author/v1/author-service/?q={
  "author_type": {
    "$in": ["FieldName", "FieldValue"]
  }
}