bash
curl -sSf -X POST https://hub.oxen.ai/api/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OXEN_API_KEY" \
-d '{
"model": "gpt-5-3-chat-latest",
"messages": [
{
"role": "user",
"content": "Try sending a message."
}
]
}'