Messages - 流式输出 (Stream)
POST
/v1/messages
Request
Header Params
Body Params application/json
Responses
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://newapi.mexxxxai.win/v1/messages' \
--header 'x-api-key: {{ANTHROPIC_API_KEY}}' \
--header 'anthropic-version: 2023-06-01' \
--header 'Accept: text/event-stream' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "claude-sonnet-4-6",
"max_tokens": 2048,
"stream": true,
"messages": [{"role": "user", "content": "请写一篇关于人工智能未来发展趋势的分析文章。"}]
}'Response Response Example
event: message_start
data: {"type":"message_start","message":{"id":"msg_04STREAMabcdef","type":"message","role":"assistant","content":[],"model":"claude-sonnet-4-6","stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":25,"output_tokens":1}}}
event: content_block_start
data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}}
event: ping
data: {"type":"ping"}
event: content_block_delta
data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"人工智能"}}
event: content_block_delta
data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"未来发展趋势"}}
event: content_block_delta
data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"分析\n\n随着大语言模型的快速迭代..."}}
event: content_block_stop
data: {"type":"content_block_stop","index":0}
event: message_delta
data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"output_tokens":215}}
event: message_stop
data: {"type":"message_stop"}Modified at 2026-04-02 11:32:32