SegmentsAdd Segment MemberAdds a member to a static segment. No-op if already present (returns `inserted: false`).POST/v1/segments/{id}/members/{memberId}SendHeadersPathAuthorizationAuthorizationRequiredBearer <token>API key as Bearer tokenIn: headerPath ParametersidRequiredstringPattern: "^[a-f0-9]{24}$"memberIdRequiredstringPattern: "^[a-f0-9]{24}$"POST/v1/segments/{id}/members/{memberId}cURLGoNode.jsPythonPHPRubyJavaC#curl -X POST "https://api.3common.com/v1/segments/string/members/string" \ -H "Authorization: Bearer <token>"Default Response200401403404422Response{ "inserted": true, "memberCount": 0 }TypeScriptexport interface Response { inserted: boolean; memberCount: number; } Bulk-add members by filter resultPOST /v1/segments/:id/members/from-filterRemove Segment MemberRemoves a member from a static segment.