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: 281
10 host: ""
11 body: '{"max_tokens":10000,"messages":[{"content":[{"text":"Hello","cache_control":{"type":"ephemeral"},"type":"text"}],"role":"user"}],"model":"claude-sonnet-4-5-20250929","system":[{"text":"You are a helpful assistant","cache_control":{"type":"ephemeral"},"type":"text"}],"stream":true}'
12 headers:
13 Accept:
14 - application/json
15 Content-Type:
16 - application/json
17 User-Agent:
18 - Anthropic/Go 1.12.0
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_01WGBTmd2Q5E2ajXUoHZYg6K","type":"message","role":"assistant","model":"claude-sonnet-4-5-20250929","content":[],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":13,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":8,"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":"Hello! How can I help you today"}}
35
36 event: content_block_delta
37 data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"?"} }
38
39 event: content_block_stop
40 data: {"type":"content_block_stop","index":0 }
41
42 event: message_delta
43 data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"input_tokens":13,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":12} }
44
45 event: message_stop
46 data: {"type":"message_stop" }
47
48 headers:
49 Content-Type:
50 - text/event-stream; charset=utf-8
51 status: 200 OK
52 code: 200
53 duration: 1.891647s
54- id: 1
55 request:
56 proto: HTTP/1.1
57 proto_major: 1
58 proto_minor: 1
59 content_length: 621
60 host: ""
61 body: '{"max_tokens":40,"messages":[{"content":[{"text":"Generate a concise title for the following content:\n\nHello","type":"text"}],"role":"user"}],"model":"claude-sonnet-4-5-20250929","system":[{"text":"you will generate a short title based on the first message a user begins a conversation with\n\n- ensure it is not more than 50 characters long\n- the title should be a summary of the user''s message\n- it should be one line long\n- do not use quotes or colons\n- the entire text you return will be used as the title\n- never return anything that is more than one sentence (one line) long\n","type":"text"}],"stream":true}'
62 headers:
63 Accept:
64 - application/json
65 Content-Type:
66 - application/json
67 User-Agent:
68 - Anthropic/Go 1.12.0
69 url: https://api.anthropic.com/v1/messages
70 method: POST
71 response:
72 proto: HTTP/2.0
73 proto_major: 2
74 proto_minor: 0
75 content_length: -1
76 body: |+
77 event: message_start
78 data: {"type":"message_start","message":{"id":"msg_01CZb9drep7yMKkc2wzNDt5G","type":"message","role":"assistant","model":"claude-sonnet-4-5-20250929","content":[],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":109,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":10,"service_tier":"standard"}} }
79
80 event: content_block_start
81 data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""} }
82
83 event: content_block_delta
84 data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"Greeting or Starting a Conversation"} }
85
86 event: content_block_stop
87 data: {"type":"content_block_stop","index":0}
88
89 event: message_delta
90 data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"input_tokens":109,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":10} }
91
92 event: message_stop
93 data: {"type":"message_stop" }
94
95 headers:
96 Content-Type:
97 - text/event-stream; charset=utf-8
98 status: 200 OK
99 code: 200
100 duration: 2.547489s