发票核验

根据发票类型、发票代码、发票号码、开票日期获取发票全票面信息，支持全国增值税专用发票、增值税普通发票（含电子普通发票、卷式发票、通行费发票）、机动车销售统一发票、货物运输业增值税专用发票、二手车销售统一发票等不同发票的验真。

Obtain full-face invoice information based on invoice type, invoice code, invoice number and issuing date. It supports authenticity verification for various invoices, including national-level VAT special invoices, VAT ordinary invoices (covering electronic ordinary invoices, roll-form invoices and toll invoices), unified motor vehicle sales invoices, VAT special invoices for freight transportation, and unified second-hand vehicle sales invoices.