Exceptions

backtest360.client.Backtest360Error

Bases: Exception

Raised on any non-2xx response from the Backtest360 API.

Parameters:

Name	Type	Description	Default
message	str	Human-readable description of the error.	required
status	int	HTTP status code returned by the engine (0 for client-side errors).	required
code	str | None	Machine-readable error code (e.g. SDK_NO_API_KEY).	None
body	dict | str | None	Parsed response body (dict) or raw text if JSON parsing failed.	None
request_id	str | None	Value of the X-Request-ID response header, if present.	None

Example

try: ... result = client.backtest(strategy, df) ... except Backtest360Error as e: ... if e.status == 401: ... print("Invalid API key") ... elif e.status == 429: ... print("Rate limited, retry later") ... else: ... raise

Common error codes

Code	Status	Meaning
AUTH_INVALID	401	API key not found or malformed
AUTH_REVOKED	401	Key has been revoked
AUTH_EXPIRED	401	Key has passed its expiry date
RATE_LIMIT_EXCEEDED	429	Per-minute or per-day limit hit
CONCURRENCY_LIMIT	429	Per-key concurrency cap reached
VALIDATION_ERROR	422	Strategy or request payload invalid
SDK_NO_API_KEY	0	No API key provided (client-side)
SDK_PATH_FORBIDDEN	0	Attempted to access a non-/api/ path (client-side)