NFEConsulta 0.4.2
dotnet add package NFEConsulta --version 0.4.2
NuGet\Install-Package NFEConsulta -Version 0.4.2
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="NFEConsulta" Version="0.4.2" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="NFEConsulta" Version="0.4.2" />
<PackageReference Include="NFEConsulta" />
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add NFEConsulta --version 0.4.2
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: NFEConsulta, 0.4.2"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package NFEConsulta@0.4.2
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=NFEConsulta&version=0.4.2
#tool nuget:?package=NFEConsulta&version=0.4.2
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

NFEConsulta é uma biblioteca .NET para consultar NF-e.
Diferenciais
- Status oficial da SEFAZ via
NFeStatusServico4, em vez de ping ou teste de rede. - Resolucao conservadora de endpoints por UF, com SP como default e override explicito quando necessario.
CorrelationIdopcional para rastrear jobs, lotes e logs.- Validacao de XML contra XSD oficial incluso no pacote.
- Contratos tipados para separar retorno fiscal de falha tecnica.
- Suporte para biblioteca, CLI e API REST interna.
Documentacao
- Pagina inicial da documentacao
- Guia inicial
- Uso da biblioteca
- Referencia da API
- Solucao de problemas
- Integracao interna
- Contribuindo
- Historico de alteracoes
Instalacao
dotnet add package NFEConsulta
Exemplo rapido
using System.Security.Cryptography.X509Certificates;
using NFEConsulta.Infrastructure;
using NFEConsulta.Models;
using NFEConsulta.Services;
using X509Certificate2 certificado = CertificadoProvider.ObterPorPem(
"certs/cert.pem",
"certs/key.pem");
NFeConsultaOptions options = new()
{
Ambiente = TipoAmbiente.Producao,
Uf = UfNFe.SP,
CorrelationId = "job-20260619-001"
};
using NFeConsultaClient client = NFeConsultaClient.CriarComCertificado(certificado, options);
ConsultaNFeResult resultado = await client.ConsultarChaveAsync("99999999999999999999999999999999999999999999");
Extraindo dados do Certificado
Biblioteca C#
using NFEConsulta.Infrastructure;
CertificadoInfo info = certificado.ExtrairInfo();
Console.WriteLine($"CNPJ: {info.Cnpj}");
Console.WriteLine($"Vencimento: {info.DataExpiracao}");
CLI
nfeconsulta certificado --cert-pem cert.pem --key-pem key.pem
# Ou com saida em JSON:
nfeconsulta certificado --cert-pem cert.pem --key-pem key.pem --json
Consultando CNPJ / Cadastro de Contribuinte na SEFAZ
Você pode consultar a situação fiscal e cadastral de um CNPJ, CPF ou Inscrição Estadual (IE) diretamente junto aos webservices estaduais da SEFAZ usando o método NFeCadastroClient.
using NFEConsulta.Models;
using NFEConsulta.Services;
NFeConsultaOptions options = new()
{
Ambiente = TipoAmbiente.Producao,
Uf = UfNFe.SP // Define a UF da consulta
};
using NFeCadastroClient client = NFeCadastroClient.CriarComCertificado(certificado, options);
CadastroConsultaResult resultado = await client.ConsultarCadastroAsync("12345678901234"); // CNPJ, CPF ou IE
if (resultado.Sucesso)
{
foreach (var cad in resultado.Contribuintes)
{
Console.WriteLine($"Nome: {cad.Nome}");
Console.WriteLine($"IE: {cad.IE}");
Console.WriteLine($"Situação: {cad.Situacao}"); // Ex: "Habilitado"
Console.WriteLine($"Endereço: {cad.Endereco?.Logradouro}, {cad.Endereco?.Numero} - {cad.Endereco?.NomeMunicipio}/{cad.UF}");
}
}
O que esta incluso
- Validacao de chave de acesso de 44 digitos.
- Extracao de chave a partir de XML de NF-e.
- Validacao XML contra XSD oficial.
- Consulta de NF-e por chave.
- Consulta do status oficial da SEFAZ.
- Consulta de cadastro de contribuinte (CNPJ, CPF ou IE) via SEFAZ (
CadConsultaCadastro4). - Extração de dados e metadados de certificados digitais (CNPJ, nome, datas).
- Suporte para biblioteca, CLI e API interna.
Projetos
src/NFEConsulta.Core: biblioteca principal publicada no NuGet comoNFEConsulta.src/NFEConsulta.Cli: CLI publicada comoNFEConsulta.Cli.src/NFEConsulta.Api: API REST interna.
Pacote e versao
A versao publica atual e 0.4.2.
🔗 Projetos relacionados
| Projeto | Descrição |
|---|---|
| NFeSchemaDownloader | Mantém os Schemas XML (XSD) da SEFAZ sempre atualizados automaticamente |
| NFEDanfe | Gera DANFE em PDF a partir de XML NF-e autorizado |
Ferramentas CLI
- NFEDanfe.Cli → Geração de DANFE pela linha de comando.
- NFeSchemaDownloader.Cli → Automação de download de Schemas.
Fluxo recomendado
NFeSchemaDownloader (Mantém XSDs atualizados)
│
▼
NF-e XML
│
▼
NFEConsulta (Valida XML via XSD e consulta SEFAZ)
│
▼
NFEDanfe (Gera o PDF final)
Autor
Fabyo Guimaraes Oliveira
- LinkedIn: https://www.linkedin.com/in/fabyo-guimaraes/
- GitHub: https://github.com/fabyo
Licenca
MIT.
| Product | Versions Compatible and additional computed target framework versions. |
|---|---|
| .NET | net8.0 is compatible. net8.0-android was computed. net8.0-browser was computed. net8.0-ios was computed. net8.0-maccatalyst was computed. net8.0-macos was computed. net8.0-tvos was computed. net8.0-windows was computed. net9.0 was computed. net9.0-android was computed. net9.0-browser was computed. net9.0-ios was computed. net9.0-maccatalyst was computed. net9.0-macos was computed. net9.0-tvos was computed. net9.0-windows was computed. net10.0 is compatible. net10.0-android was computed. net10.0-browser was computed. net10.0-ios was computed. net10.0-maccatalyst was computed. net10.0-macos was computed. net10.0-tvos was computed. net10.0-windows was computed. |
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.
-
net10.0
- No dependencies.
-
net8.0
- No dependencies.
NuGet packages
This package is not used by any NuGet packages.
GitHub repositories
This package is not used by any popular GitHub repositories.
| Version | Downloads | Last Updated |
|---|---|---|
| 0.4.2 | 107 | 6/26/2026 |
| 0.4.0 | 107 | 6/26/2026 |
| 0.3.0 | 162 | 6/24/2026 |
| 0.2.5 | 107 | 6/23/2026 |
| 0.2.4 | 108 | 6/23/2026 |
| 0.2.3 | 228 | 6/19/2026 |
| 0.2.2 | 107 | 6/19/2026 |
| 0.2.1 | 109 | 6/19/2026 |
| 0.2.0 | 112 | 6/19/2026 |
| 0.1.11 | 109 | 6/18/2026 |
| 0.1.10 | 108 | 6/18/2026 |
| 0.1.8 | 112 | 6/18/2026 |
| 0.1.7 | 107 | 6/18/2026 |
| 0.1.6 | 110 | 6/18/2026 |