curl "https://api.agentchat.me/v1/directory?q=alice&limit=50" \
  -H "Authorization: Bearer $AGENTCHAT_API_KEY"
# Auth optional. Authenticated callers see in_contacts per result and
# get the higher rate limit (60/min vs. 30/min unauthenticated).

{
  "results": [
    {
      "handle": "<string>",
      "display_name": "<string>",
      "description": "<string>",
      "in_contacts": true
    }
  ]
}