Glossary of Terms


Tax authority of Argentina

API Delivery

Delivery method in which you submit invoices via a secure API connection that offers the possibility to send invoices directly from a software solution. The Peppol status of a company can also be requested via this connection.

API Documentation

Detailed documentation of a company’s API-related subjects with step-by-step guides for implementing the key into your software.


the protocol for communication between different applications. In order to call an API, the “caller” has to send unique identifying information as an identifier to the API service provider. This identifier is called an API key.


Tax authority in Portugal. Short for Autoridade Tributária e Aduaneira.


Australian Peppol Authority that is responsible for the accreditation of Australian service providers and the development and implementation of Peppol standards and specifications


Italian Peppol Authority that is responsible for the onboarding of Italian Access Point Providers, the compliance with the Peppol legal framework and the offering of guidance and information to end-users.

B2G invoicing

Business-to-Government invoice exchange.


Tax authority of The Philippines. Short for The Bureau of Internal Revenue.


Belgian Peppol Authority in charge of the Belgian e-Government strategy, and more generally of the promotion of good practices in the IT sector in Belgium.


The Business Payments Coalition (BPC) is a group of over 600 organizations and individuals in the U.S. working together to promote greater adoption of electronic business-to-business (B2B) payments, remittance data and invoices.

Base64 format

Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation.


The Cross Industry Invoice (CII) is a syntax which can be exchanged globally between trading partners. It is mostly popular in France and Germany.

CIUS (Core Invoice Usage Specification)

a semantic data model used to define a country’s invoicing norm base.


a plain text file that contains a list of data. These files are often used for exchanging data between different applications.

Chorus Pro

a platform that allows companies to safely submit e-invoices to the French government

Client Libraries

a collection of code specific to one programming language that makes it easier to use an API.

Continuous Transaction Control

regimes that enable law enforcement agencies, like tax administrations, to collect data associated with business activities that are relevant to the exercise of their function.

Customer Onboarding

The process of onboarding your customers to the Peppol network.


Tax authority of Uruguay. Short for Dirección General Impositiva.


Tax authority of Costa Rica. DGT is the abbreviation of Dirección General de Tributación.


Peppol Authority that is focused on the introduction of eInvoicing, e-procurement and the establishment of a cross-border infrastructure in Sweden.


Norwegian Agency for Public Management & e-Government and Peppol Authority of Norway.


an electronic post office provided by the Dutch government.


Electronic Data Interchange (EDI) is the computer-to-computer exchange of business documents in a standard electronic format between business partners.

EDI (Electronic Data Interchange)

the computer-to-computer exchange of business documents in a standard electronic format between business partners.

EHF invoice

Elektronisk Handelsformat (Electronic Trading Format) – is the central government standard format for electronic invoicing in Norway.


Danish Peppol Authority that is responsible for the registration of companies that wish to become an Access Point (AP) or a Service Metadata Publisher (SMP).


Tax authority of Czech Republic. Short for Eidgenössische Steuerverwaltung.


Tax authority of Egypt. Short for Egyptian Tax Authority.

Electronic invoice (e-invoice)

invoice that contains data from the supplier in a structured format (XML, JSON or EDIFACT) that the buyer's financial system can automatically process, without requiring manual data input from the administrator (machine-to-machine invoicing).


the destination point of a communication channel. When an API interacts with another system, the touchpoints of this communication are considered endpoints. This can include a URL of a server or service.


the Spanish electronic invoice distribution platform, available to economic operators and individuals to enable the remittance of invoices between subcontractors and contractors of Public Sector contracts.

FE-AP Platform

FE-AP is an electronic invoice in public administration portal that processes and receives electronic invoices in Portugal.

FINA e-Račun

an online service intended for Croatian business entities for the electronic exchange of invoices between suppliers and customers. Supports issuing, receiving and archiving of e-invoices.


a Franco-German standard for hybrid e-invoice (PDF for users and XML data for process automation). Factur-X is the same standard as ZUGFeRD.


an Italian electronic invoice format required for all e-invoicing in Italy.


a publicly available and safe XML e-invoicing standard designed by Finnish banks.


Finvoice is a publicly available invoicing standard published by Finnish banks. It is also a forwarding service for businesses, provided by banks and payment institutions.

Four-Corner Model

model where every business and its trading partner communicate via a different service provider. Once connected, businesses and government agencies can quickly and easily reach any other trading partner on the network


Tax authority of Saudi Arabia. Short for General Authority for Zakat and Taxes


Tax authority of Vietnam. Short for General Department of Taxation.


Tax authority of India


format used to import data into and export data from an SAP system.


Singaporean Peppol Authority and statutory board responsible for the e-invoicing adoption in Singapore.

ISO 27001

most widely adopted information security standard that provides a framework for information security management best practices.

JSON (JavaScript Object Notation)

a standard text-based format for representing structured data based on JavaScript object syntax. It is commonly used for transmitting data in web applications.

Job Queue

a data structure maintained by job scheduler software containing jobs to run. Users submit programs that they want executed to the queue for batch processing.


German Peppol Authority that is responsible for assisting the IT Planning Council in adopting IT interoperability and IT security standards and to managing joint federal and state-level egovernment projects.

Legal Entity

a reference code — like a bar code — used across markets and jurisdictions to uniquely identify a legally distinct entity that engages in a financial transaction.

Leitweg ID

the German version of a Peppol ID.


Peppol Authority in New Zealand that is responsible for overseeing the local implementation of the Peppol framework, the onboarding of Access Points, and monitoring service provider compliance.


Polish Ministry of Entrepreneurship and Technology and Peppol Authority in Poland.


the software platform used by Belgian government agencies to receive and process einvoices and other documents in UBL format.


The Hungarian Tax and Customs Authority.


the PEPPOL Authority in the United Kingdom (UK) that is responsible for fostering the growth of a standards-based eProcurement network.

Naked Access Point

an access point that transfers documents without adding any value to the content.


the Danish standard for the exchange of electronic documents.


Identification numbers that is assigned to the Dutch government, Dutch ministries and Dutch public entities.

OpenAPI Specification

defines a standard, language-agnostic interface to RESTful APIs which allows both humans and computers to discover and understand the capabilities of the service without access to source code, documentation, or through network traffic inspection.


a non-profit association that is responsible for the development and maintenance of the PEPPOL specifications, the building blocks and the implementation of PEPPOL across Europe.

PDF invoice

an invoice template containing text fields that are filled out manually. PDF invoices are unable to be automatically recognized by systems, thus require to be processed manually.


a cross-border network for the exchange of electronic business documents. The network is used in 32 European countries, Singapore, Australia, New Zealand, Malaysia and Japan.

PEPPOL ‘BIS’ Specifications

Business Interoperability Specifications (BIS) for common eProcurement
processes to standardize electronic documents exchanged and validated through an open and secure
network, between sending and receiving Access Points for public sector buyers and their suppliers
across Europe and beyond.

Peppol $200 Grant

an E-Invoicing Registration Grant of $200 for every Singaporean company that registers on the Peppol network before the 31th of December 2020.

Peppol API

a computing interface, often created by a Peppol Access Point, that allows companies to connect to the Peppol network with a simple integration.

Peppol AS2

Specification that provides an infrastructure for exchanging structured business data securely by using the HTTP 23 transfer protocol. This exchange is normally XML but can also exchange other Electronic Data Interchange (EDI) 24 formats.

Peppol AS4

Newer specification that follows the 4-corner model and relies on the Peppol SMP for
dynamic discovery of the endpoint information and certificates used in communication.

Peppol Access Point

A company that connects your company / software / public entity to the international Peppol network. Similar to telephone companies connecting you to the phone network.

Peppol Access Point as a Service

A company that allows other companies to become a Peppol Access Point by using a customized API. Mostly suitable for ERP systems.

Peppol Authority

Associations established to support the use of Peppol in a specific country. Peppol
Authorities are responsible for setting local requirements and managing participants within the

Peppol BIS Billing 3.0

a compliant (CIUS) implementation of the European eInvoicing standard.
Those who receive invoices that comply to this BIS are also compliant to the EU Directive 2014/55 on
electronic invoices. It is mandatory that Peppol members who receive invoices through the Peppol
network are able to receive invoices based on this BIS.

Peppol CIUS

Core Invoice Usage Specification (CIUS) used to further define the invoicing norm base
for a specific country.

Peppol Certificate

Certificate that allows a Peppol Access Point to be listed on the official
Certified Peppol Access Point List.

Peppol Code List

List for Peppol document types, participant identifier schemes, processes and
transport profiles.

Peppol Directive (2014/55 / EU)

European law that states that all contracting authorities should be
able to receive and process e-invoices by the end of 2018.

Peppol Directory

a free-to-browse open source service that allows participants to search which companies are connected to Peppol.

Peppol ID Validation

The process of validating a requested Peppol ID.

Peppol Identifier (Peppol ID)

A unique identifier – based on an already existing identifier, such as the VAT number of a company - that is issued by Peppol Access Points to be able to send and receivece-invoices to and from others. It is comparable to a phone number in the telephone network.

Peppol Network

an internationally established network founded to facilitate the safe exchange of business documents (including e-invoices) between B2B and B2G.

Peppol PKI (Public Key Infrastructure)

a security and integrity protocol used to establish a trusted network for the business transactions through the Peppol eDelivery Network. When Access Point or SMP providers sign the Peppol Transport Infrastructure Agreements they are provided with a Peppol Digital Certificate.

Peppol Ready Solution Providers

platforms such as Accounting or Enterprise Resource Planning systems which provide e-Invoice functionality without necessarily becoming an Access Point.

Peppol SML (Service Metadata Locator)

defines which Service Metadata Publisher (SMP) to use for finding out the delivery details of any Peppol participant. This is a similar approach to how the World Wide Web is able to find websites based on their domain names.

Peppol SMP (Service Metadata Publisher)

an address book or business registry containing details of participants within a specific eProcurement community.


an interface that allows users to make API requests, without the hassle of writing code just to test an API's functionality.


an architectural style for an application program interface (API) that uses HTTP requests to access and use data. That data can be used to GET, PUT, POST and DELETE data types, which refers to the reading, updating, creating and deleting of operations concerning resources.


Tax authority of Mexico. Short for Servicio de Administración Tributaria.


Tax authority of Italy


Tax authority of Brazil.

SFTP Delivery

Secure delivery method of invoices via SFTP with the option to send multiple files.


Tax authority of Chile


a number that consists of a unique ID that solely contains numbers and represents a specific government agency (government, ministry or municipality).


a service-level agreement (SLA) is a commitment between a service provider and a client. Service providers need SLAs to help them manage customer expectations and define the severity levels and circumstances under which they are not liable for outages or performance issues.


Tax authority of Peru. Short for Superintendencia Nacional de Aduanas y de Administración Tributaria.

Sandbox mode

a test environment that isolates untested code changes and outright experimentation from the production environment.

Secure E-mail Delivery

Delivery mechanism that allows you to easily send your e-invoice over the Peppol network by sending your UBL (as attachment) to a uniquely created Storecove email address.


Former Dutch Peppol Authority and foundation responsible for the growth of einvoicing in The Netherlands.

Smart Inbox

A tool that sends e-mailed e-invoices directly to your accounting package. You can choose to automatically convert PDF invoices to an e-invoice format. This requires an account with our partner Go2UBL.

Storecove E-mail Adress

an e-mail address to which a company can send their e-invoices to. Storecove then sends the invoice to the identifiers in the electronic invoice. If the receiver is not connected to the Peppol network, we will send the invoice to the email address mentioned in the einvoice. Example:

Supplier Onboarding

The process of onboarding your suppliers to the Peppol network. You can outsource this project to Storecove.


the XML invoice standard used in Sweden, also a rebranding of Peppol BIS V3.

Swagger Codegen

an open source API client code generator to build client SDKs directly from a renAPIdefined RESTful API. The source code for the Swagger Codegen can be found in GitHub.


Tax authority of Turkey. Short for Turkish Revenue Administration.


a Spanish e-invoicing mandate introduced by the tax authorities in the Basque Country. Created and shared by three Basque provincial councils: Álava, Vizcaya, Guipúzcoa, and the Basque Government

UBL document

an open library of standard electronic XML business documents for procurement and transportation such as purchase orders, invoices, transport logistics and waybills. With this file it's possible to send invoice data from one accounting package to another.

Urzad Skarbowy

Tax authority of Poland


automated messages sent from apps when an event occurs. They have a message (or payload) and are sent to a unique URL, essentially the app's phone number or address.


a list of items that are granted access to a certain system or protocol. When a whitelist is used, all entities are denied access, except those included in the whitelist.


an XML-based invoice format that has been designated as the preferred format for the implementation of EU directive 2014/55/EU in Germany.


a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.


the Zakat, Tax and Customs Authority (ZATCA) is the tax authority of Saudi Arabia. 


a Franco-German standard for hybrid e-invoice (PDF for users and XML data for process automation). ZUGFeRD is the same standard as Factur-X.


a Lithuanian e-invoicing portal used by Lithuanian companies to deliver mandatory B2G e-invoices to the public sector.