curl --location --request POST '/v1/responses' \
--header 'Authorization: Bearer {{YOUR_API_KEY}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "gpt-4.1",
"input": [
{
"role": "user",
"content": "Write a one-sentence bedtime story about a unicorn."
}
]
}'
