Error codes

Every API error carries a code and links to its page here. See Errors for the response shape.

Code	Status	Meaning
signalsitter.invalid_request	400	Request not available
signalsitter.validation_failed	400	Request validation failed
signalsitter.authentication_required	401	Authentication required
signalsitter.permission_denied	403	Permission denied
signalsitter.not_found	404	Resource not found
signalsitter.conflict	409	Conflicting request
signalsitter.precondition_failed	412	Precondition failed
signalsitter.idempotency_conflict	409	Idempotency key reused
signalsitter.rate_limited	429	Too many requests
signalsitter.temporarily_unavailable	503	Temporarily unavailable
signalsitter.internal_error	500	Internal error
signalsitter.invalid_credential	401	Credential no longer valid
signalsitter.confirmation_required	MCP	Confirmation required
signalsitter.precondition_required	428	Precondition required
signalsitter.payload_too_large	413	Payload too large
signalsitter.unsupported_media_type	415	Unsupported media type
signalsitter.callback_destination_rejected	400	Callback destination rejected
signalsitter.callback_alias_conflict	409	Callback alias in use
signalsitter.callback_limit_reached	409	Callback endpoint limit reached
signalsitter.monitor_archived	409	Monitor archived
signalsitter.monitor_deleted	410	Monitor deleted
signalsitter.organization_deleted	410	Organization deleted