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< NF-e from Tecnospeed >

Integrate NF-e into your software and reduce implementation time by up to 70%.

With TecnoSpeed's PlugDFe, NF-e issuance becomes just another call in your workflow: XML generation, digital signing, SEFAZ transmission, and DANFe printing, all ready to integrate into your system.

Cut development time. Focus on what matters most: your software.

Talk to an expert

NF-e

The tax infrastructure for software houses

+4.100

integrated software houses

years in the market

+224

specialists

⚡For Software Houses

Ready to issue NF-e? An expert will show you the fastest path to integration.

Fill out the form and a TecnoSpeed specialist will contact you within 24 business hours to show you the fastest path to integration.

+Component (DLL / OCX / BPL / TLB) +REST API via HTTPS / JSON +A1 and A3 Digital Certificates +Full Contingency Support +Online NF-e Auditor +Dev-to-dev support

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< / > How does it work

Three ways to integrate NF-e. Choose what works best for your software.

Designed to seamlessly integrate with your environment, TecnoSpeed NF-e covers the entire workflow: generation, digital signing, sending, querying, contingency modes, and DANFe printing.

Model 01 · Local

Integration via Component

A library (DLL) featuring all required methods to issue NF-e. Ideal for applications that consume OCX, BPL, or TLB and prefer to process everything on-premises.

DLL, OCX, BPL, and TLB
Execution within your software
Support for A1 and A3 digital certificates
Online NF-e Auditor

Access documentation

Model 02 · Cloud

API Integration

Our platform manages and executes the complete issuance process, handling SEFAZ webservice instabilities automatically. Your application sends parameters via HTTPS (text or JSON), and TecnoSpeed returns the authorized XML and DANFe PDF, or pushes updates via Webhook.

HTTPS Requests (text or JSON)
XML, signature, and sending by TecnoSpeed
Webhook for status notification
Without installing anything on the end customer.

Access documentation

Model 03 · JSON

REST API Integration

Streamlined integration for any language (PHP, C#, Delphi, Java, Python, etc.) using JSON. Designed to minimize complexity around tax rules, XSD schemas, contingency modes, and government webservice downtime.

JSON-based communication with unique ID
Automated authorization, printing, and notifications
Abstracts XSD validation and contingency management
Without installing anything on the end customer.

Access documentation

TecnoSpeed NF-e Capabilities

Features built for developers, not just tax auditors.

Constant Tax Updates

Conformity with SEFAZ changes guaranteed.

Simplified invoice issuance

XML generation via text file, dataset, or HTTPS.

Online NF-e Auditor

Automated technical and tax validations.

Certificate management

Full support for A1 and A3 digital certificates.

Full contingency management

NF-e issuance across all legal contingency modes.

Automated Email Delivery

Direct XML forwarding to the recipient's email.

Simplified Downloads

Easy access to tax documents issued to your CNPJ.

_ Differentiators

Why choose TecnoSpeed NF-e?

Tax technology that evolves with legislation, so your software doesn't have to worry about it.

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EASY INTEGRATION

Easy Integration

Designed to provide a smooth implementation in various development environments.

CONTINUOUS UPDATES

Constant Updates

Ongoing maintenance to ensure compliance with frequent changes in legislation.

Communication Efficiency

Error responses are clearly decoded, speeding up precise corrections.

DEV TO DEV SUPPORT

Dev-to-Dev Support

Developer-to-developer technical support to guide your integration and assist with Brazilian tax authority rules.

< / > About NF-e

Understanding NF-e

The Electronic Invoice (NF-e) is a cornerstone of Brazilian tax modernization, offering strategic advantages for businesses selling goods.

TecnoSpeed's solution helps you structure XMLs, digital signatures, and DANFe printing, keeping your team focused on core business logic while your clients save operational costs, automate processes, speed up transactions, and ensure full legal compliance.

Integrate NF-e into my software

Most common questions

Frequently Asked Questions

NF-e (Nota Fiscal Eletrônica) is an official digital tax document in Brazil that legally records commercial transactions involving goods and products. It replaces physical paper invoices, ensuring legal compliance and direct reporting to state tax authorities (SEFAZ).

O Component (DLL/OCX) runs within the software itself, with support for Delphi, C#, VB6, and PHP—ideal for those who prefer to keep the messaging process local. The API manages the entire process in the cloud, including instabilities in municipal systems, with returns via XML/PDF or webhook. On the other hand, REST API Simplified HTTP/JSON integration for any programming language, abstracting complex tax rules, XSD schemas, and contingency modes.

Yes. TecnoSpeed features a built-in Online NF-e Auditor that performs automated technical and tax schema validations prior to submission, significantly reducing SEFAZ rejection rates and error handling time.

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Yes, if your ERP serves companies that sell physical goods or merchandise. NF-e is the most widely issued tax document in Brazil and is an essential requirement for any commercial management software operating in the country.