Electronic receipts for e-commerce: how to integrate transmission via API

Electronic daily turnover records in the e-commerce world represent today one of the main development themes for software houses, technology providers and platforms managing online sales. With the evolution of fiscal regulations and the increasing spread of digital models, integrating the transmission of tax data directly into application flows has become an increasingly important requirement. 

For this reason, those developing e-commerce solutions must design systems capable of linking payment, commercial documents and tax transmission in a reliable and scalable way.

In this article, we look at how the sending of daily turnover records in online sales works, what differences exist compared to physical points of sale and how to integrate APIs within a modern e-commerce ecosystem.

Why e-commerce electronic daily turnover records follow different logis from physical retail

Electronic daily turnover records for e-commerce are born in a different context compared to that of the traditional shop. Indeed, in the physical point of sale, payment and the issuing of the commercial document happen at the same time and in the same place. In online commerce, however, the flow is distributed between payment gateways, e-commerce platforms, ERP systems and tax services.

This difference has a direct impact on the software architecture. Every transaction must be traceable along the entire path, guaranteeing consistency between the payment made, the document generated and the data transmitted to the tax authority. Furthermore, those managing online sales must often coordinate high volumes of operations, multichannel activities and different markets.

According to the guidelines published by the Agenzia delle Entrate, recording and transmission systems must guarantee the integrity, authenticity and traceability of fiscal data. These principles become even more relevant when the process takes place entirely via software.

Sending electronic daily turnover records online: how the operational flow works

Sending electronic daily turnover records online requires an infrastructure capable of orchestrating different application components. The goal is to transform every transaction completed on the e-commerce site into a compliant fiscal document, ready for recording and transmission.

From payment to commercial document

In the flow of e-commerce electronic daily turnover records, everything starts with the payment made by the user. Once the transaction is completed, the system acquires the necessary information, generates the commercial document and links it to the corresponding economic operation.

This approach allows for the reduction of manual tasks and possible misalignments. Furthermore, it allows for the automation of tax management even in the presence of high volumes of orders, promotional campaigns or international sales.

The role of PEM and PEL in software telematic daily turnover records

E-commerce electronic daily turnover records can be managed through the model based on the PEM and PEL modules, introduced to support the new software fiscalisation methods. The PEM (Point of Emission) acquires transaction data and generates the commercial document applying the necessary validation procedures. Subsequently, the PEL (Point of Processing) checks the integrity of the information, stores the evidence and manages the transmission to the Agenzia delle Entrate.

To find out more about how this model works, you can also consult our article dedicated to the operational models of software telematic daily turnover records.

Daily turnover record APIs for digital sales: what advantages they offer to developers

Our APIs for electronic daily turnover records allow for the integration of fiscalisation directly into the systems already used by the company. In this way, developers can work within their own architecture without introducing separate components or external procedures.

For those who build e-commerce platforms, this means being able to automate the entire document cycle. Furthermore, API integration facilitates the management of marketplaces, omnichannel environments and multi-store models, maintaining a single point of control.

Let's think, for example, of an e-commerce business that sells simultaneously on its own site, on external marketplaces and through physical points of sale. In a scenario of this type, centralising tax management becomes crucial to avoid duplication, misalignments and manual processes. APIs allow for the collection of events coming from different channels and their transformation into a coherent and compliant document flow.

A further advantage concerns regulatory updates. When the fiscal component is managed via API, technical adjustments can be centralised and distributed without modifying the entire application infrastructure. This allows development teams to focus on product evolution, reducing the time spent on regulatory maintenance.

How to integrate e-commerce electronic daily turnover records via API

The integration of e-commerce electronic daily turnover records generally follows a path consisting of authentication, environment configuration and document flow management. For this reason, it is important to work with tools that allow for the verification of every phase before releasing to production.

You can find out more about the characteristics of the A-Cube solution dedicated to electronic daily turnover records here.

Authentication and endpoint management

To use the APIs dedicated to e-commerce electronic daily turnover records, it is necessary to authenticate applications using secure credentials and access tokens. This model allows for the control of permissions and the monitoring of all operations carried out.

Once the token is obtained, the platform can communicate with the endpoints dedicated to creating merchants, activating fiscal modules and managing commercial documents.

Webhooks and monitoring in e-commerce electronic daily turnover records

In managing e-commerce electronic daily turnover records, knowing the status of a transaction is as important as transmitting it correctly. For this reason, webhooks represent a fundamental tool.

Through automatic notifications, the system can report successful outcomes, errors, cancellations or requests for intervention. Consequently, the development team reduces manual control activity and gains greater visibility over application flows.

This aspect becomes particularly important in high-volume environments, where thousands of orders can be processed every day. In the absence of webhooks, it would be necessary to continuously query systems to check the status of operations. With an event-driven model, however, each update is communicated in real time and can automatically trigger further processes, such as updating the ERP, issuing documents or managing anomalies.

Testing the integration in a sandbox before go-live

Before bringing e-commerce electronic daily turnover records into production, it is advisable to validate every process in a controlled environment. Indeed, a sandbox allows for the simulation of real transactions without involving actual tax data.

Within the test environment, it is possible to verify authentication, webhooks, document management and error scenarios. Furthermore, developers can observe the behaviour of the integration under realistic conditions and intervene before release. We have discussed this extensively in this article.

E-commerce POS API Integration: towards a unified ecosystem

E-commerce POS API integration is taking on an increasingly important role in modern sales models. Many companies, indeed, operate simultaneously online and offline, managing physical points of sale, marketplaces and digital channels.

In this context, e-commerce electronic daily turnover records become part of a broader infrastructure that links payments, fiscal documents and management systems. An API-first approach allows for the maintenance of consistency across all channels and the reduction of operational duplications.

The trend is particularly evident in omnichannel models. A customer can buy online, collect in-store, make a return at a different point of sale or complete an order started on another channel. Every step generates data that must remain consistent from a tax perspective. For this reason, more and more companies choose centralised architectures capable of communicating with e-commerce platforms, PSPs, POS systems and ERPs through standardised APIs.

To find out more about software alternatives to traditional cash registers, you can also read this in-depth analysis.

E-commerce electronic daily turnover records: why adopt an API-first approach

E-commerce electronic daily turnover records represent an increasingly strategic component for those developing digital platforms. The goal is not only to comply with regulatory obligations, but to build reliable, scalable processes capable of evolving alongside the business.

APIs allow for the integration of fiscalisation within existing flows, reducing dependence on hardware and improving operational control. Furthermore, they allow for more effective management of online sales, omnichannel ecosystems and international scenarios.

Do you want to verify the behaviour of your integration before release? Try the A-Cube sandbox and test authentication, document transmission and webhooks directly in a dedicated environment.