simple_streaming.yaml

 1---
 2version: 2
 3interactions:
 4- id: 0
 5  request:
 6    proto: HTTP/1.1
 7    proto_major: 1
 8    proto_minor: 1
 9    content_length: 219
10    host: ""
11    body: '{"max_tokens":4000,"messages":[{"content":[{"text":"Say hi in Portuguese","type":"text"}],"role":"user"}],"model":"claude-sonnet-4-20250514","system":[{"text":"You are a helpful assistant","type":"text"}],"stream":true}'
12    headers:
13      Accept:
14      - application/json
15      Content-Type:
16      - application/json
17      User-Agent:
18      - Anthropic/Go 1.10.0
19    url: https://api.anthropic.com/v1/messages
20    method: POST
21  response:
22    proto: HTTP/2.0
23    proto_major: 2
24    proto_minor: 0
25    content_length: -1
26    body: |+
27      event: message_start
28      data: {"type":"message_start","message":{"id":"msg_01LA3hHsa4pzM8hT7PTXtJGz","type":"message","role":"assistant","model":"claude-sonnet-4-20250514","content":[],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":16,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":4,"service_tier":"standard"}}               }
29
30      event: content_block_start
31      data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}          }
32
33      event: content_block_delta
34      data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"Olá!"}     }
35
36      event: content_block_delta
37      data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"\n\n(This is the most common way to say \"hi"} }
38
39      event: ping
40      data: {"type": "ping"}
41
42      event: content_block_delta
43      data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"\" in Portuguese. You"}}
44
45      event: content_block_delta
46      data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":" could also say \"Oi!\""}               }
47
48      event: content_block_delta
49      data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":" for a more casual"}               }
50
51      event: content_block_delta
52      data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":" greeting.)"}       }
53
54      event: content_block_stop
55      data: {"type":"content_block_stop","index":0          }
56
57      event: message_delta
58      data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"input_tokens":16,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":38}      }
59
60      event: message_stop
61      data: {"type":"message_stop" }
62
63    headers:
64      Content-Type:
65      - text/event-stream; charset=utf-8
66    status: 200 OK
67    code: 200
68    duration: 1.544292291s