JSON_PAYLOAD=$(cat <<EOF
{
  "model": "deepseek-v4-flash",
  "messages": [
    {"role": "user", "content": "Hi"}
  ],
  "stream": true,
  "thinking": {"type": "enabled"}
}
EOF
)

curl --request POST "${API_ENDPOINT}" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $API_KEY" \
  -d "$JSON_PAYLOAD"
data: {"id":"0c9d3efa-3adc-40a3-a0f3-da4fdf5c33d9","object":"chat.completion.chunk","created":1777012052,"model":"deepseek-v4-flash","system_fingerprint":"fp_058df29938_prod0820_fp8_kvcache_20260402","choices":[{"index":0,"delta":{"role":"assistant","content":null,"reasoning_content":""},"logprobs":null,"finish_reason":null}]}

data: {"id":"0c9d3efa-3adc-40a3-a0f3-da4fdf5c33d9","object":"chat.completion.chunk","created":1777012052,"model":"deepseek-v4-flash","system_fingerprint":"fp_058df29938_prod0820_fp8_kvcache_20260402","choices":[{"index":0,"delta":{"content":null,"reasoning_content":"好的"},"logprobs":null,"finish_reason":null}]}

data: {"id":"0c9d3efa-3adc-40a3-a0f3-da4fdf5c33d9","object":"chat.completion.chunk","created":1777012052,"model":"deepseek-v4-flash","system_fingerprint":"fp_058df29938_prod0820_fp8_kvcache_20260402","choices":[{"index":0,"delta":{"content":null,"reasoning_content":"，"},"logprobs":null,"finish_reason":null}]}

data: {"id":"0c9d3efa-3adc-40a3-a0f3-da4fdf5c33d9","object":"chat.completion.chunk","created":1777012052,"model":"deepseek-v4-flash","system_fingerprint":"fp_058df29938_prod0820_fp8_kvcache_20260402","choices":[{"index":0,"delta":{"content":null,"reasoning_content":"用户"},"logprobs":null,"finish_reason":null}]}