API Reference - Event Schemas

Event

Field	Type	Description
url	string	Request URL path
endpoint	string	Same as URL (not normalized)
method	string	HTTP method
status_code	int	Response status code
request_headers	object	Lowercased keys, sensitive values redacted
request_body	any	Parsed JSON when possible, 64KB cap
response_headers	object	Lowercased keys
response_body	any	Parsed JSON when possible, 64KB cap
duration_ms	int	Response time in milliseconds
client_ip	string	Extracted from proxy headers

{
  "url": "/api/users/42",
  "endpoint": "/api/users/42",
  "method": "GET",
  "status_code": 200,
  "request_headers": {
    "content-type": "application/json",
    "authorization": "[REDACTED]"
  },
  "request_body": null,
  "response_headers": { "content-type": "application/json" },
  "response_body": {
    "id": 42,
    "name": "Jane Doe",
    "email": "ja***@example.com"
  },
  "duration_ms": 23,
  "client_ip": "203.0.113.42"
}

Error event

Field	Type	Description
_type	string	Always "error"
error_type	string	Exception class name
error_message	string	Error message
level	string	"fatal", "error", or "warning"
fingerprint	string?	Optional grouping key
stack_frames	StackFrame[]	Stack trace
request_url	string?	Request URL that caused it
request_method	string?	HTTP method
client_ip	string?	Client IP
timestamp	int	Unix milliseconds

Stack frame

Field	Type	Description
file	string	Source file path
line	int	Line number
column	int?	Column (Node.js only)
function	string	Function name
context	string[]?	Surrounding source lines
in_app	bool	true if your code, false for library/runtime