PHP SDK - 4.4.0

August 18, 2026

Added

Support for multi-session PSC flow on hosted KYB for Business

To support verification of multiple PSCs on hosted KYC/KYB for Business-type users, new Psc entity (FirstName, LastName, Email, DateOfBirth, Country, Nationality, PscType, Status, ValidationDate, HostedUrl, Data, LastUpdate) and new PscData DTO (Type, Value). IdentityVerification gained a PSCs property (Psc[]) with the matching GetSubObjects() mapping.

New method ApiIdentityVerification::RetryPsc($identityVerificationId, $pscId, $psc = null) (PUT /identity-verifications/{IdentityVerificationId}/pscs/{PscId}/retry) to request the retry of a PSC session. The $psc argument is optional and may carry the values to update.

See the multi-session PSC flow guide and the API release note for more details.

Identity verification event types

EventType gained IDENTITY_VERIFICATION_PSC_PENDING, IDENTITY_VERIFICATION_PSC_VALIDATED, IDENTITY_VERIFICATION_PSC_FAILED, IDENTITY_VERIFICATION_PSC_ABANDONED, IDENTITY_VERIFICATION_PENDING_PSC_ACTION, and IDENTITY_VERIFICATION_EXPIRED.

Echo – GET List Intent external providers

New method ApiPayIns::GetExternalProvidersList() (GET /payins/intents/external-providers) returning the list of external payment provider names.

Changed

Echo – Tag on intents and splits

Test coverage added for the Tag property on intent authorizations, captures, refunds, and splits; no API change.