httprr trace v1
379 1422
POST https://api.anthropic.com/v1/messages HTTP/1.1
Host: api.anthropic.com
User-Agent: Go-http-client/1.1
Content-Length: 183
Anthropic-Version: 2023-06-01
Content-Type: application/json

{"model":"claude-sonnet-4-20250514","max_tokens":8192,"messages":[{"role":"user","content":[{"type":"text","text":"Hi, my name is Cornelius","cache_control":{"type":"ephemeral"}}]}]}
HTTP/2.0 200 OK
Anthropic-Organization-Id: 3c473a21-7208-450a-a9f8-80aebda45c1b
Anthropic-Ratelimit-Input-Tokens-Limit: 4000000
Anthropic-Ratelimit-Input-Tokens-Remaining: 4000000
Anthropic-Ratelimit-Input-Tokens-Reset: 2026-01-20T05:02:18Z
Anthropic-Ratelimit-Output-Tokens-Limit: 400000
Anthropic-Ratelimit-Output-Tokens-Remaining: 400000
Anthropic-Ratelimit-Output-Tokens-Reset: 2026-01-20T05:02:19Z
Anthropic-Ratelimit-Tokens-Limit: 4400000
Anthropic-Ratelimit-Tokens-Remaining: 4400000
Anthropic-Ratelimit-Tokens-Reset: 2026-01-20T05:02:18Z
Cf-Cache-Status: DYNAMIC
Cf-Ray: 9c0c04d42abfefa4-PDX
Content-Type: application/json
Date: Tue, 20 Jan 2026 05:02:19 GMT
Request-Id: req_011CXJ3Uban5HaKm7cjTPc4V
Server: cloudflare
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Envoy-Upstream-Service-Time: 1234
X-Robots-Tag: none

{"model":"claude-sonnet-4-20250514","id":"msg_01VwKDeEZjChwVGi6FdWjcWU","type":"message","role":"assistant","content":[{"type":"text","text":"Hello Cornelius! It's nice to meet you. That's a distinctive and classic name. How are you doing today? Is there anything I can help you with?"}],"stop_reason":"end_turn","stop_sequence":null,"usage":{"input_tokens":15,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":38,"service_tier":"standard"}}650 1341
POST https://api.anthropic.com/v1/messages HTTP/1.1
Host: api.anthropic.com
User-Agent: Go-http-client/1.1
Content-Length: 454
Anthropic-Version: 2023-06-01
Content-Type: application/json

{"model":"claude-sonnet-4-20250514","max_tokens":8192,"messages":[{"role":"user","content":[{"type":"text","text":"Hi, my name is Cornelius"}]},{"role":"assistant","content":[{"type":"text","text":"Hello Cornelius! It's nice to meet you. That's a distinctive and classic name. How are you doing today? Is there anything I can help you with?"}]},{"role":"user","content":[{"type":"text","text":"What is my name?","cache_control":{"type":"ephemeral"}}]}]}
HTTP/2.0 200 OK
Anthropic-Organization-Id: 3c473a21-7208-450a-a9f8-80aebda45c1b
Anthropic-Ratelimit-Input-Tokens-Limit: 4000000
Anthropic-Ratelimit-Input-Tokens-Remaining: 4000000
Anthropic-Ratelimit-Input-Tokens-Reset: 2026-01-20T05:02:21Z
Anthropic-Ratelimit-Output-Tokens-Limit: 400000
Anthropic-Ratelimit-Output-Tokens-Remaining: 400000
Anthropic-Ratelimit-Output-Tokens-Reset: 2026-01-20T05:02:22Z
Anthropic-Ratelimit-Tokens-Limit: 4400000
Anthropic-Ratelimit-Tokens-Remaining: 4400000
Anthropic-Ratelimit-Tokens-Reset: 2026-01-20T05:02:21Z
Cf-Cache-Status: DYNAMIC
Cf-Ray: 9c0c04dc7fd5efa4-PDX
Content-Type: application/json
Date: Tue, 20 Jan 2026 05:02:22 GMT
Request-Id: req_011CXJ3UhEMLAi1P8AyXy9X3
Server: cloudflare
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Envoy-Upstream-Service-Time: 2424
X-Robots-Tag: none

{"model":"claude-sonnet-4-20250514","id":"msg_01XdV1M6Kpkvcjc3yDhPCj2u","type":"message","role":"assistant","content":[{"type":"text","text":"Your name is Cornelius, as you told me in your first message."}],"stop_reason":"end_turn","stop_sequence":null,"usage":{"input_tokens":61,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":19,"service_tier":"standard"}}