Documentation in English

Quick start The CFDI 4.0 came into effect as of January 1, 2022, and its mandatory use began on April...

This service allows you to register a new user for consuming our services. The service needs the access token and the...

Explore our authentication method, where you can obtain a temporary token using a username and password.

Explore our API, enabling you to efficiently execute invoice cancellations. Leverage the versatility of available methods, including UUID cancellation, XML cancellation, PFX cancellation, and CSD cancellation, to tailor the process to your specific needs.

Easily integrate the stamping functionality of CFDI 4.0 invoices. Simplify your process through our API. Ensure that your invoice is previously signed and enjoy a hassle-free integration.

Effortlessly integrate the signing and stamping functionality of CFDI 4.0 invoices in XML format with our API. Send your files with the 'Sello,' 'Certificado,' and 'NoCertificado' attributes empty, and receive the response with the completed fields.

Easily integrate the signing and stamping functionality of CFDI 4.0 invoices in JSON format with our API. Send your files with the 'Sello,' 'Certificado,' and 'NoCertificate' attributes empty, and receive the response with the completed fields.

Basic Concepts of electronic invoices in Mexico. Basic things for CFDI

Error Codes, When someone consumes the web service, from time to time, they will receive an error with an error code and a message.

In this article, you can find the CSD for testing. This CSD is created by SAT

API to upload, query (all, by certificate number, or by RFC), and delete the CSDs in your SW account used to stamp CFDI.

Explore our API, enabling you to efficiently execute invoice cancellations. Leverage the versatility of available methods, including UUID cancellation, XML cancellation, PFX cancellation, and CSD cancellation, to tailor the process to your specific needs.

Explore our API, which enables you to cancel CFDIs efficiently; you will also receive the CFDI status. Take advantage of the range of methods available, such as cancellation by UUID, by PFX and by CSD, to tailor the process to your specific needs.

Easily integrate the cancellation of Retenciones CFDI (the Mexican withholding and payments-information tax document) through our REST-based API. We simplify the process by accepting an XML as input or the use of Digital Seal Certificates (CSD).

SOAP-based service provided by the SAT that allows you to query the status of a CFDI before and after submitting it for cancellation. It efficiently determines whether the CFDI can be cancelled directly or whether its related CFDIs must be queried first in order to carry out the cancellation.

Document explaining how to obtain a perpetual token for consuming the services.

Easily integrate the ability to stamp Retenciones CFDI (the Mexican withholding and payments-information tax document) in XML format through our REST API.

Easily integrate issue stamping for Retenciones CFDI (the Mexican withholding and payments-information tax document) in XML format through our REST API.

Our API facilitates the generation of PDFs from digitally stamped XML documents, using either generic templates or a custom template tailored to your requirements. We streamline the PDF creation process, making it both efficient and personalized.

An API capable of generating or regenerating a PDF for a previously stamped CFDI, with the ability to save or replace the PDF file so that it can be viewed later via the Stamp Administration Portal.

Discover our API, which allows the recipient to accept or reject cancellation requests. It supports flexible methods—such as CSD, PFX, XML, and UUID—ensuring a swift response tailored to your specific needs.

A service that allows for the retrieval of information from an XML file stamped via SW.

A service that allows for the retrieval of information from an XML file stamped via SW.

Service used to manage and query the stamps of client accounts.

Service that lets you resend by email the XML and/or PDF of a CFDI already stamped by SW, using only its UUID.

Informational section containing the response versions from the SW service's stamping process.

Discover the various types of information that withholding tax certification services can return.

Service used to manage and query the client users of a main account.

Our service allows you to verify whether a taxpayer is included on the SAT’s "69" or "69-B" lists, identifying both those who cannot be located at their registered tax address and those who issue invoices for non-existent transactions. This helps prevent tax risks, ensures the validity of transactions, and guarantees compliance with tax obligations.

An informative article showcasing the variety of generic PDF templates—used as printed representations of the CFDI—that are available through SW.