Retrieve MixRank person IDs matching a combination of features, such as industry or country. Obtain filter IDs from <a href="#tag/audience-segments/GET/segment-features/{segment}">feature lookup</a>; feature IDs are filter values, not person IDs. Use comma for AND, | for OR, ~ for NOT and parentheses for grouping. ~(123,456)|789 matches records lacking at least one of 123 and 456, or possessing 789. Queries accept at most 530 features.

is_truncated indicates additional matches.

Required permissions for your API key's user: persons.segment.

{
  "total": 2,
  "is_truncated": true,
  "results": [
    900000001,
    900000002
  ]
}