API Response Parser
Parse and visualize OpenAI and Anthropic API responses
API Response JSON
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API Response Parser: Understand & Debug LLM API Responses
Working with LLM APIs means dealing with complex JSON responses. This parser helps you quickly understand response structure, extract content, check token usage, and compare response formats across providers.
Paste any API response to auto-detect the provider, extract the content, and explore the full response structure interactively.
Response Format Reference
OpenAI Chat Completions
- • Content path:
choices[0].message.content - • Tokens:
usage.prompt_tokens+usage.completion_tokens - • Finish reasons:
stop,length,tool_calls,content_filter
Anthropic Messages
- • Content path:
content[0].text - • Tokens:
usage.input_tokens+usage.output_tokens - • Stop reasons:
end_turn,max_tokens,stop_sequence,tool_use