https pagseguro.uol.com.br sandbox.pagseguro.uol.com.br stc.pagseguro.uol.com.br stc.sandbox.pagseguro.uol.com.br ws.pagseguro.uol.com.br ws.sandbox.pagseguro.uol.com.br v2/authorizations/request; v2/authorization/request.jhtml; v2/authorizations v2/transactions/cancels v2/authorizations/notifications v2/pre-approvals/notifications v3/transactions/notifications; v2/checkout v2/checkout/payment.html v2/transactions/refunds v2/sessions v2/installments v3/transactions v2/transactions v2/pre-approvals/request v2/pre-approvals/request.html v2/pre-approvals/cancel v2/pre-approvals/payment v2/pre-approvals pre-approvals pre-approvals pre-approvals/request pre-approvals pre-approvals/payment pre-approvals pre-approvals pre-approvals pre-approvals pre-approvals pre-approvals/notifications pre-approvals v2/transactions/