curl --location --request POST 'https://api.ppaicode.com/v1/responses' \
--header 'Authorization: Bearer {{OPENAI_API_KEY}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "gpt-5",
"input": "用一句话解释什么是 OpenAI Responses API。"
}'{}