/contacts/{id}/segments/{segmentId}
POST
id*stringLength
1 <= lengthsegmentId*stringFormat
uuidContact added to the segment
application/json- response
id*stringFormat
uuidcurl -X POST 'https://api.millionsend.com/contacts/string/segments/497f6eca-6276-4993-bfeb-53cbbbba6f08'Example Response
{ "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08"}