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: 564
10 host: ""
11 body: "{\"max_tokens\":14096,\"messages\":[{\"content\":[{\"text\":\"What's the weather in Florence, Italy?\",\"type\":\"text\"}],\"role\":\"user\"}],\"model\":\"claude-sonnet-4-20250514\",\"system\":[{\"text\":\"You are a helpful assistant\",\"type\":\"text\"}],\"thinking\":{\"budget_tokens\":10000,\"type\":\"enabled\"},\"tool_choice\":{\"disable_parallel_tool_use\":false,\"type\":\"auto\"},\"tools\":[{\"input_schema\":{\"properties\":{\"location\":{\"description\":\"the city\",\"type\":\"string\"}},\"required\":[\"location\"],\"type\":\"object\"},\"name\":\"weather\",\"description\":\"Get weather information for a location\"}],\"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: "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"msg_01VPcbUdEoEcxp65A65U43Cq\",\"type\":\"message\",\"role\":\"assistant\",\"model\":\"claude-sonnet-4-20250514\",\"content\":[],\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":423,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"output_tokens\":6,\"service_tier\":\"standard\"}} }\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"thinking\",\"thinking\":\"\",\"signature\":\"\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"The user is asking for\"} }\n\nevent: ping\ndata: {\"type\": \"ping\"}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" weather information for Florence, Italy. I have\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" access to a weather function that takes a location parameter. The\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" location is clearly specified as \\\"Florence, Italy\\\".\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" I have all the required parameters to make this function call.\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"signature_delta\",\"signature\":\"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\"} }\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0 }\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":1,\"content_block\":{\"type\":\"tool_use\",\"id\":\"toolu_01VSoSma6BM9Dhq3RxyiRmAr\",\"name\":\"weather\",\"input\":{}} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"{\\\"loc\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"ation\\\": \\\"Flo\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"rence, It\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"aly\\\"}\"} }\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":1 }\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"tool_use\",\"stop_sequence\":null},\"usage\":{\"input_tokens\":423,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":110} }\n\nevent: message_stop\ndata: {\"type\":\"message_stop\" }\n\n"
27 headers:
28 Content-Type:
29 - text/event-stream; charset=utf-8
30 status: 200 OK
31 code: 200
32 duration: 1.289802542s
33- id: 1
34 request:
35 proto: HTTP/1.1
36 proto_major: 1
37 proto_minor: 1
38 content_length: 1721
39 host: ""
40 body: "{\"max_tokens\":14096,\"messages\":[{\"content\":[{\"text\":\"What's the weather in Florence, Italy?\",\"type\":\"text\"}],\"role\":\"user\"},{\"content\":[{\"signature\":\"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\",\"thinking\":\"The user is asking for weather information for Florence, Italy. I have access to a weather function that takes a location parameter. The location is clearly specified as \\\"Florence, Italy\\\". I have all the required parameters to make this function call.\",\"type\":\"thinking\"},{\"id\":\"toolu_01VSoSma6BM9Dhq3RxyiRmAr\",\"input\":{\"location\":\"Florence, Italy\"},\"name\":\"weather\",\"type\":\"tool_use\"}],\"role\":\"assistant\"},{\"content\":[{\"tool_use_id\":\"toolu_01VSoSma6BM9Dhq3RxyiRmAr\",\"content\":[{\"text\":\"40 C\",\"type\":\"text\"}],\"type\":\"tool_result\"}],\"role\":\"user\"}],\"model\":\"claude-sonnet-4-20250514\",\"system\":[{\"text\":\"You are a helpful assistant\",\"type\":\"text\"}],\"thinking\":{\"budget_tokens\":10000,\"type\":\"enabled\"},\"tool_choice\":{\"disable_parallel_tool_use\":false,\"type\":\"auto\"},\"tools\":[{\"input_schema\":{\"properties\":{\"location\":{\"description\":\"the city\",\"type\":\"string\"}},\"required\":[\"location\"],\"type\":\"object\"},\"name\":\"weather\",\"description\":\"Get weather information for a location\"}],\"stream\":true}"
41 headers:
42 Accept:
43 - application/json
44 Content-Type:
45 - application/json
46 User-Agent:
47 - Anthropic/Go 1.10.0
48 url: https://api.anthropic.com/v1/messages
49 method: POST
50 response:
51 proto: HTTP/2.0
52 proto_major: 2
53 proto_minor: 0
54 content_length: -1
55 body: "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"msg_01GNkVaVsDPcTec33HABjn5e\",\"type\":\"message\",\"role\":\"assistant\",\"model\":\"claude-sonnet-4-20250514\",\"content\":[],\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":548,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"output_tokens\":1,\"service_tier\":\"standard\"}} }\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"The\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\" weather in Florence, Italy is currently 40°C (104°F),\"} }\n\nevent: ping\ndata: {\"type\": \"ping\"}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\" which is quite hot! This is typical\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\" summer weather for Florence during the warmer months. Make\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\" sure to stay hydrated and seek shade if you're planning to be out\"} }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"doors.\"} }\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0 }\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\",\"stop_sequence\":null},\"usage\":{\"input_tokens\":548,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":56} }\n\nevent: message_stop\ndata: {\"type\":\"message_stop\" }\n\n"
56 headers:
57 Content-Type:
58 - text/event-stream; charset=utf-8
59 status: 200 OK
60 code: 200
61 duration: 1.676578167s