3DS authentication will be required for new registrations created from April 2025 and cannot be disabled for 60 days after the registration date;

• Instructions on how to dispute a chargeback via Cielo Portal or API.
• Added information stating that the status change notification may take up to 3 minutes to be sent after the transaction completion notification.
• Added information that URL for receiving transaction notifications must be HTTPS it is not allowed to use a port outside the standard HTTPS (443).
• Added information stating that Cielo may take up to a maximum of three minutes to send transaction notifications and that the expected return response from the store server must be sent within 100 seconds.
• New table indicating the Payment methods and brands avalaible for Link de Pagamento and Checkout Cielo.

• Addition of new status 10 in API status and codes;
• Addition of new field payment_end_to_end_id in status change notification and notification content;
• Update of instructions in how to start using the Link de Pagamentos on the Cielo website;

• New resource list available for the Checkout and Link de Pagamento API.

• Added new Parcela fixa field on the payment link creation via the Cielo website;
• Added new fixedinstallments field on payment link creation via API and Checkout Cielo payment page creation;
• Added a warning on the unavailability of the Gerar Credenciais de Acesso às APIs button while getting started with the Link de Pagamento API;
• Added a warning informing the TLS certificate version;
• Added information about security tools such as 3DS protocol, integrated Antifraude and facial authentication;

• Google Pay and Click to Pay e-wallets added as payment methods for Link de Pagamento;
• Checkout payment methods table updated to include e-wallets.