www.fiscalapi.com
Last updated: October 7, 2026
This English version is provided for convenience only. In case of any discrepancy between this version and the Spanish version, the Spanish version prevails.
Welcome to Fiscalapi, a company dedicated to providing innovative e-invoicing and tax management solutions for individuals (personas físicas) and legal entities (personas morales). By using our services, you agree to be bound by the following terms and conditions.
FISCAL API S. DE R. L. DE C. V. (hereinafter “FISCAL API”) is an online platform that offers e-invoicing, financial management, and accounting services for individuals or legal entities in Mexico. It is a sociedad de responsabilidad limitada de capital variable (a Mexican limited liability company with variable capital) duly incorporated under the laws of the United Mexican States, as evidenced by public deed No. 101,250, executed before Licenciado Enrique Jiménez Lemus, Notary Public No. 3 of the State of Guanajuato.
For all purposes of these terms and conditions, Fiscalapi's legal address is Av. Acueducto No. 6075 A, Local 4, Puerta de Hierro, Código Postal 45116, in the municipality of Zapopan, Jalisco, México.
These terms and conditions set out the general conditions for using the services offered. By using our services, the licensee accepts the terms presented here, as well as those set out in the privacy notice and in any contracts in force. They describe the rights and obligations that both the licensee and Fiscalapi will have under the contractual relationship established.
Fiscalapi is a software as a service (SaaS) platform that provides a RESTful API to generate, stamp, and manage Comprobantes Fiscales Digitales por Internet (CFDI 4.0) in accordance with current SAT regulations.
The software works as a comprehensive invoicing system through JSON requests, with validity for tax purposes guaranteed by a Proveedor Autorizado de Certificación (PAC), and includes the automatic generation of printed representations (the PDF of a CFDI; the XML is the legal document) with custom branding, logos, and colors. It also provides secure storage and retrieval of invoices in XML and PDF formats; multi-RFC management that allows invoicing between any RFCs from a single tenant (the space in Fiscalapi that holds your issuers, recipients, credits, and data); native support for CFDI complements (complementos, XML extensions the SAT defines for specific operations) such as payments, payroll, and Carta Porte (the CFDI complement that documents the transport of goods in Mexico); automatic checks against the SAT blacklists; automated email delivery of invoices; an administration dashboard; and SDKs and libraries for multiple programming languages.
A non-exclusive license to use the software is granted, never ownership of the software. The licensee may integrate the API into the Licensee Solution and use it to issue CFDIs in its own name or in the name of the Licensee's Customers, each with its own RFC and Certificado de Sello Digital (CSD). The license has no geographic restrictions and no limits on the number of people who sign in, companies, or issuing RFCs that access the service through that integration.
The following uses are permitted and do not require additional authorization:
Integrating the API into the Licensee Solution to invoice in the name of its customers is not considered resale or sublicensing.
Distribution, resale, or business partnership arrangements require a specific written agreement. To request one, write to contacto@fiscalapi.com.
The license is non-exclusive, non-transferable, and temporary. Its non-exclusive nature allows Fiscalapi to grant similar licenses to other parties. Non-transferable means that the licensee may not transfer, assign, or convey its rights to third parties, with the sole exception of mergers, acquisitions, or corporate restructurings in which the licensee company is acquired by another entity. Its temporary nature is based on a monthly subscription model with automatic recurring billing.
Fiscalapi grants the use of the license through a SaaS model that requires no physical installation; implementation is carried out exclusively by integrating the API into the licensee's systems or products. The process begins by signing up for a free 30-day trial, during which there is full access to a development environment at no cost. Technical documentation is available at https://docs.fiscalapi.com, with development libraries (SDKs) for multiple languages and practical code examples available on GitHub. Once the integration is complete in the test environment, the licensee may voluntarily move to the production environment by activating the monthly subscription and purchasing stamps.
In addition to the use of the license, Fiscalapi provides personalized technical assistance during integration at no additional cost, with priority technical support during business hours from 8:00 a.m. to 5:00 p.m., automatic and free updates for SAT regulations, and development of CFDI complements when they are not available. The services are performed on a commercially reasonable best efforts basis, without specific response-time commitments or service level agreements (SLAs). Dedicated premium support is a specialized service subject to a separate contract.
Fiscalapi's pricing model has two components. The first is a fixed monthly subscription, at the current prices published at fiscalapi.com/en/pricing(including IVA, Mexico's value-added tax, VAT), which grants full access to the premium platform. It is charged automatically on a recurring basis and includes API access to generate and stamp CFDI 4.0, free SAT updates, multi-RFC and multi-company features, custom branding and logos, an advanced report designer, invoice storage, an unlimited number of people who sign in, full system management, compatibility with multiple programming languages, personalized assistance during integration, and priority technical support during business hours.
The second component is stamps, which are purchased in packages of different volumes at the current prices published at fiscalapi.com/en/pricing, all including IVA and with no expiration date. Each package includes the same number of cancellations as stamps.
Orders of more than 100,000 stamps, or that require special features, are handled through a direct quote from the sales team at contacto@fiscalapi.com or +52 33 5980 0384. There are no hidden costs, no limits on the number of companies, issuers, recipients, or people who sign in, and no mandatory additional services. The model allows full self-service, in which the licensee purchases only what it needs, when it needs it.
The license remains in force as long as the monthly subscription payment is kept current, and it is suspended automatically for nonpayment. It is granted for an indefinite term through a subscription model with no minimum commitment period; the contractual relationship runs month to month through recurring monthly billing, with no formal fixed-term contract for most licensees, except where specifically requested, in which case a formal contract with a term of three years may be entered into.
The licensee may cancel the subscription at any time through the platform's dashboard, by calling +52 33 5980 0384, or by emailing contacto@fiscalapi.com. Cancellation does not require prior notice; however, canceling automatically forfeits access to unused stamps, which are absorbed by Fiscalapi. The licensee may create a new subscription later if it so wishes.
Fiscalapi may terminate the license for nonpayment, use of the API for illegal activities, reverse engineering or misuse of the API, or any of the prohibited uses described in Section 3. The licensee may later reactivate the service by creating a new subscription, and Fiscalapi retains the right to accept or reject the reactivation depending on the circumstances of the previous termination.
By using our service, you agree to comply with the terms and conditions to ensure safe, responsible, and ethical use. The following prohibitions protect the integrity of the platform, the data of the people who sign in, and the rights of third parties:
Any violation may result in the suspension or termination of the service, as well as in any applicable legal action. Fiscalapi reserves the right to take administrative, technical, and legal measures to protect the integrity and security of the platform.
All intellectual property rights in the software, including, by way of example, the API, interfaces, source code, documentation, SDKs, libraries, methodologies, and the FISCAL API brand, are and remain the exclusive property of FISCAL API S. de R. L. de C. V. The licensee acknowledges that it acquires no ownership rights in the software and obtains only a license to use it under the terms set out in this document and in any specific contracts that may be signed.
The software's intellectual property is registered with the Instituto Nacional del Derecho de Autor(INDAUTOR, Mexico's copyright office), and the FISCAL API trademark with the Instituto Mexicano de la Propiedad Industrial (IMPI, Mexico's patent and trademark office). The software incorporates third-party components licensed from DevExpress, whose use is duly authorized and does not affect Fiscalapi's ownership rights over the work as a whole. The licensee agrees to respect all of Fiscalapi's intellectual property rights and not to reverse engineer, decompile, disassemble, or otherwise attempt to obtain the source code of the software.
The licensee grants Fiscalapi the right to use only the licensee's logo and trade name, to display them on its website and other promotional materials as part of its customer portfolio. This use is limited to identification and business reference purposes, does not imply the transfer of any intellectual property right, and does not require express acceptance or notice from Fiscalapi to the licensee.
The licensee and Fiscalapi agree that all personal data transferred will be processed to perform the functions needed to provide the service, and must be protected in accordance with the privacy notice, the confidentiality agreement, and applicable law. Fiscalapi complies with the requirements of Article 15 of the Ley Federal de Protección de Datos Personales en Posesión de los Particulares (Mexico's Federal Law on the Protection of Personal Data Held by Private Parties). The privacy notice is available at https://fiscalapi.com/privacy. Fiscalapi maintains the technical, administrative, and physical security measures necessary to protect your personal data.
For all matters related to the performance and fulfillment of the service, the parties expressly submit to the jurisdiction of the courts of Zapopan, Jalisco, and to the provisions of the Código de Comercio (Mexico's Commercial Code), the Ley de la Propiedad Industrial (Mexico's industrial property law), the Ley Federal del Derecho de Autor (Mexico's Federal Copyright Law), the Ley Federal de Protección de Datos Personales en Posesión de los Particulares, and the Código Penal Federal(Mexico's Federal Criminal Code), expressly waiving any other jurisdiction that may apply to them.
Fiscalapi reserves the right to modify these terms and conditions at any time, without prior notice. Any change will be published at https://fiscalapi.com/terms and/or on the software platform; continued use of the software after publication constitutes acceptance of the new terms. Changes take effect on the date of publication, unless a later date is specified.
By using our services, you acknowledge that you have read, understood, and agree to be bound by these terms and conditions in their entirety, and you undertake to comply with the obligations set out, since your acceptance is a prerequisite for us to offer you our services.