Changes to Create a custom_field

removed the enum value cross_reference of the request property field_type

removed the request property options/cross_reference_allowed_target_types

added the new Business enum value to the entity_type response property for the response status 201

added the new FinancialAccount enum value to the entity_type response property for the response status 201

added the new InsurancePolicy enum value to the entity_type response property for the response status 201

added the new Trust enum value to the entity_type response property for the response status 201

added the new rich_text enum value to the field_type response property for the response status 201

added the new url enum value to the field_type response property for the response status 201

added the new user_reference enum value to the field_type response property for the response status 201

added the new optional request property options/select_option_colors

the request property field_key became optional

added the new Business enum value to the request property entity_type

added the new FinancialAccount enum value to the request property entity_type

added the new InsurancePolicy enum value to the request property entity_type

added the new Trust enum value to the request property entity_type

added the new rich_text enum value to the request property field_type

added the new url enum value to the request property field_type

added the media type application/json for the response with the status 403

added the non-success response with the status 429

added the optional property company_id to the response with the 201 status

added the optional property options/select_option_colors to the response with the 201 status

removed the invalid_json enum value from the error response property for the response status 400

response property detail list-of-types was narrowed by removing types array from media type application/json of response 400