Status name (case-insensitive, e.g. Valid) or numeric status ID. 0 means all statuses.

Comma-separated allow-listed sort fields (e.g. title,createdat). A -
prefix means descending when order is omitted. Allowed values include
certificateId, stateId, authorityId, formId, formName,
formVersionId, certificateScope, scopeName, scopeValue, title,
dateOfSignature, statusId, statusName, status, effectiveFromDate,
effectiveToDate, expirationDate, certificateVersion, createdAt,
createdBy, modifiedAt, modifiedBy, region, customerName,
customerAccount, reason, registrationNumber, exemptionPercentage,
stateOfIssue, idNumber, reasonCode, fileName, fileType.
Unrecognized fields are rejected.

Sort direction. Anything other than DESC is treated as ASC.

OData-style filter expression (max 255 characters).

Accepted for frontend compatibility and ignored (sort/order are canonical).

Accepted for frontend compatibility and ignored.