https://docs.yubin.app/https://docs.yubin.app/api-reference/https://docs.yubin.app/guides/authentication/https://docs.yubin.app/guides/create-mail/https://docs.yubin.app/guides/getting-started/https://docs.yubin.app/guides/payment/https://docs.yubin.app/guides/rate-limit/https://docs.yubin.app/partners/authorization-code/https://docs.yubin.app/partners/test-environment/https://docs.yubin.app/problems/https://docs.yubin.app/problems/account_not_found/https://docs.yubin.app/problems/cancellation_window_expired/https://docs.yubin.app/problems/card_declined/https://docs.yubin.app/problems/card_not_registered/https://docs.yubin.app/problems/file_not_uploaded/https://docs.yubin.app/problems/internal_server_error/https://docs.yubin.app/problems/invalid_file/https://docs.yubin.app/problems/invalid_request/https://docs.yubin.app/problems/mail_already_cancelled/https://docs.yubin.app/problems/mail_already_confirmed/https://docs.yubin.app/problems/mail_content_not_found/https://docs.yubin.app/problems/mail_not_cancellable/https://docs.yubin.app/problems/mail_not_confirmed/https://docs.yubin.app/problems/mail_not_found/https://docs.yubin.app/problems/over_weight/https://docs.yubin.app/problems/page_count_mismatch/https://docs.yubin.app/problems/payment_in_progress/https://docs.yubin.app/problems/route_not_found/https://docs.yubin.app/problems/unauthorized/