Attach a contact

$ curl https://api.intercom.io/contacts/<id>/companies \
-X POST \
-H 'Authorization:Bearer <Your access token>' \
-H 'Accept:application/json' \
-H 'Content-Type: application/json' -d

{
    "id": "56cde0cc3deab1bd8c000100"
}

HTTP/1.1 200 OK
{
  "type": "company",
  "company_id": "12234934893",
  "id": "5db0c9b03d7cf9a50452754e",
  "app_id": "tx2p130c",
  "created_at": 1571867056,
  "updated_at": 1571867056,
  "monthly_spend": 0,
  "session_count": 0,
  "user_count": 0,
  "tags": {
    "type": "tag.list",
    "tags": []
  },
  "segments": {
    "type": "segment.list",
    "segments": []
  },
  "plan": {},
  "custom_attributes": {
    "new_cda_439084398494": true,
    "creation_source": "api"
  }
}

HTTP/1.1 404 NOT FOUND
{
  "type": "error.list",
  "request_id": "9a3d0816-9707-4598-977e-c009ba630148",
  "errors": [
    {
      "code": "not_found",
      "message": "Contact Not Found"
    }
  ]
}

HTTP/1.1 404 NOT FOUND
{
  "type": "error.list",
  "request_id": "5f6b2623-f844-4914-8b8d-ac01acc62a76",
  "errors": [
    {
      "code": "company_not_found",
      "message": "Company Not Found"
    }
  ]
}