post
https://apibeta.familysearch.org/platform/tree/persons//matches
Certification Required
Add or modify a match resolution for the given tree person id. The status parameter should indicate if the match is Pending, Accepted, or Rejected. The body of the POST should contain a gedcomx document with a single record persona id for the match resolution. If an Accepted or Rejected match resolution declaration already exists for the given tree person id, an error will be returned. The current resolution should first be reset to Pending, then a new match resolution may be set.
A reason string should be provided indicating why the user believes this is or is not a match.