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How do I choose a fully digitalized e-invoice interface? One article helps you master the key points and avoid pitfalls! (Video version attached)

Published: 2024-01-08 11:50


Against the backdrop of widespread application of fully digitalized e-invoices, the digital and intelligent transformation of enterprise business-finance-tax has become inevitable. To achieve this transformation, choosing the right fully digitalized e-invoice API is crucial.

Facing numerous similar fully digitalized e-invoice interfaces, how to make a wise choice has become a major challengeWith a moment of carelessness, one may fall into misunderstandings. But in fact, there are some tips for choosing a fully digitalized e-invoice interface. Mastering these tips can help you more accurately avoid potential traps and misunderstandings.




1. Blindly pursuing low cost

When choosing a fully digitalized e-invoice interface, focusing only on price while ignoring key factors such as interface functions and performance may result in an interface that cannot meet the enterprise's actual needs. This may lead to poor performance and higher error rates, thereby affecting the enterprise's efficiency and experience in subsequent use and even increasing potential risks. If it is later discovered that the interface is unsuitable and needs to be replaced, it will bring higher costs.

Response strategy:When choosing a fully digitalized e-invoice API, factors such as price, functionality, and performance should be comprehensively considered to ensure that the chosen API matches the enterprise's actual needs. Through reasonable investment, choosing a fully digitalized e-invoice API with powerful functions, stable performance, and high efficiency and reliability can bring longer-term benefits and stable support to the enterprise.


2. Ignoring the stability and efficiency of the interface

Besides features, interface performance is equally critical. Unstable operation or slow invoicing directly affects usage efficiency and user experience. For example, when directly connecting to the tax bureau platform for invoicing, can one machine log in with different accounts and different tax numbers, can it switch smoothly, is the connection status stable, and does it drop offline and require re-login? In addition, whether data processing such as tax classification code matching is convenient and accurate, whether invoicing speed is efficient and stable, and whether the average processing time per invoice exceeds 2 seconds are all important factors in evaluating interface performance.

Response strategy:When choosing a fully digitalized e-invoice API, both functionality and performance should be considered, with an in-depth understanding of key indicators such as its operating status and invoicing speed. At the same time, understand which industries and enterprises the API has previously served, as well as the length of service, so as to better evaluate its stability and efficiency. Through comprehensive evaluation and comparison, choose a fully digitalized e-invoice API with stable performance and high efficiency and reliability, providing better support and assurance for the enterprise.


3. Ignoring the compatibility and flexibility of the interface

Although fully digitalized e-invoice interfaces generally can achieve functions such as batch import and batch invoicing, some interfaces may not be able to deeply integrate with a company's business systems, financial systems, supply chain systems, CRM systems, and other ERP systems. This may prevent enterprises from achieving business-finance-tax data interconnection between upstream and downstream enterprises, such as between manufacturers and suppliers, manufacturers and distributors, and groups and subsidiaries. In addition, some interfaces may not be able to make customized adjustments according to different enterprise needs, such as data connection methods and returned data types, causing enterprises to require additional development or adjustments, or even need to replace interfaces, resulting in duplicate investment and wasted resources.

Response strategy:When choosing a fully digitalized e-invoice API, attention should be paid to the provider's technical strength and an understanding of the API's compatibility and flexibility. Understand what kind of integration methods and functional customization the API can achieve, ensuring that the chosen API can meet the enterprise's actual needs and integrate and interoperate smoothly with the enterprise's other systems. By choosing a fully digitalized e-invoice API provider with strong technical strength and flexibility, enterprises can better achieve digital and intelligent transformation of business-finance-tax, improve efficiency, and reduce costs.


4. Ignoring the ease of use of the interface

Some fully digitalized e-invoice interfaces have relatively complex technical architectures and operating procedures, or unfriendly interfaces and a lack of personalized configuration, making them difficult to understand and operate, with a long learning curve, so users find it hard to get started and become proficient quickly, thereby affecting work efficiency and experience.

Response strategy:When choosing a fully digitalized e-invoice interface, you should pay attention to its ease of use. Understand whether the interface's operating process is simple and clear, and whether the interface design is friendly and easy to personalize. At the same time, understand the technical support and training services provided by the provider, so that effective help and guidance can be obtained during use. By reviewing materials such as operation demonstrations and operation manuals, better evaluate the interface's ease of use, choose an easy-to-use, efficient, and convenient fully digitalized e-invoice interface, and improve enterprise work efficiency.


5. Ignoring the professionalism and timeliness of technical support

The technical support of API providers is crucial for solving problems in practical application. Some API providers may have similar technical strength, but there are obvious differences in technical service. For example, some API providers may not have sufficient technical support staffing, or the technical capabilities of their support staff may be insufficient. This may lead to slow response in technical service, a long time to resolve issues, or even failure to resolve issues for a long time, thereby affecting the normal and smooth conduct of business and financial work.

Response strategy:When choosing a fully digitalized e-invoice interface, you should fully understand the interface provider's technical support strength. This specifically includes the technical level and experience of technical personnel, the standardization of the interface connection process, the professionalism of the connection method, and subsequent service methods. Through communication with the interface provider, understand its technical support system and service quality, ensuring timely, professional, and effective technical support during interface use. Choosing an interface provider with strong technical support capabilities can reduce risks caused by technical issues and improve work efficiency and business continuity.


In short, when choosing a fully digitalized e-invoice interface, enterprises should comprehensively consider factors such as price, functions, performance, technology, interface, and support, and can learn about them through the internet and by consulting vendors. To understand the interface's actual performance more deeply, the more intuitive way is to directly trial the interface.

During the trial process, special attention should be paid to the following aspects:

· Whether the supplier can provide solutions and quotation plans in a timely and accurate manner.

· Whether relevant functions operate normally, such as whether the connection to the tax bureau drops, whether the average invoicing speed per invoice exceeds 2 seconds, and whether data processing such as tax classification code matching is accurate and efficient, and whether red-ink reversal operations can be completed with one click. Whether data processing and invoice issuance, such as re-issuance, missed issuance, and erroneous issuance, achieve zero error rate.

· Whether requirements such as data processing methods, automatic invoicing conditions, and return data types are fully met.

· Whether the interface design is intuitive and friendly, whether the operation process is convenient and simple, and whether users can basically get started within 1 day.

· Whether the interface trial launch cycle can be controlled within 1 week, whether technical support responds within 1 day, and whether issues can be effectively resolved within 1-3 days.


Through observation and evaluation of the above aspects, enterprises can more comprehensively understand the performance and applicability of fully digitalized e-invoice interfaces, thereby making informed choices and laying a solid foundation for the intelligent upgrade of enterprise finance and tax digitalization.



Beijing Kailing Technology Co., Ltd.——an enterprise business-finance-tax digitalization solution service provider.

Kailing Technology provides solutions for sales management systems, procurement management systems, output invoicing systems, input invoice collection systems, imaging management systems, financial posting systems, electronic accounting archives, fully digitalized e-invoice and Leqi interfaces and other businesses according to enterprise needs, professionally and efficiently helping enterprises transform and upgrade their business-finance-tax digital management.

If you have any business-finance-tax digital transformation needs, welcome to contact us. Beijing Kailing Technology will serve you wholeheartedly.

Ignoring the professionalism and timeliness of technical support



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Common Questions
What are the most common pitfalls when choosing a fully digitalized e-invoice interface?
Common misconceptions include: blindly pursuing low cost while ignoring functionality and performance; ignoring interface stability and invoicing speed (e.g., disconnections, processing over 2 seconds); ignoring compatibility and customization capabilities with systems such as ERP; ignoring ease of use, leading to high learning costs; and ignoring the professionalism and responsiveness of technical support. It is recommended to comprehensively evaluate price, functionality, performance, compatibility, ease of use, and technical support, and to directly trial the interface.
What invoicing speed is considered normal for the fully digitalized e-invoice interface?
Normal invoicing speed should average no more than 2 seconds per invoice. If the API invoicing speed is slow, it will directly affect work efficiency and user experience. It is recommended to test the invoicing speed during the trial to ensure efficiency and stability.
Can the fully digitalized e-invoice interface deeply integrate with an enterprise's ERP system?
Yes, but interfaces with strong compatibility and flexibility should be selected. Some interfaces support deep integration with business systems, financial systems, supply chain systems, CRM, and other ERP systems to achieve upstream and downstream business-finance-tax data interconnection. If the interface cannot customize the connection method or the type of data returned, it may lead to additional development costs. It is recommended to choose a provider with strong technical capabilities and confirm its connection methods and customization capabilities.
What aspects should be focused on when testing the fully digitalized e-invoice interface during a trial?
Key tests: whether the supplier can provide a solution and quote promptly; whether the tax bureau connection drops, whether invoicing speed is under 2 seconds, whether tax classification code matching is accurate, whether red-letter reversal is completed with one click, and whether data processing is error-free; whether requirements such as automatic invoicing conditions and data return are met; whether the interface is friendly and can be learned within 1 day; whether the trial launch cycle is within 1 week, whether technical support responds within 1 day, and whether issues are resolved within 1-3 days.
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