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GET /api/sat/regimenes-fiscales

Retrieves the catalog of fiscal regimes (Régimen Fiscal) from SAT. This catalog is used when creating or updating profiles and invoices to ensure compliance with Mexican tax regulations.

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Authentication

This endpoint requires authentication. Include your access token in the request cookies.

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Query Parameters

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tipo_persona
string
Filter by person type. Options: FISICA, MORAL

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Response

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data
RegimenFiscalItem[]
required
Array of fiscal regime objects

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Example Request

curl -X GET "https://api.contafy.com/api/sat/regimenes-fiscales?tipo_persona=FISICA" \
  -H "Cookie: access_token=your_access_token"

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Example Response

{
  "data": [
    {
      "clave": "605",
      "descripcion": "Sueldos y Salarios e Ingresos Asimilados a Salarios",
      "aplica_persona_fisica": true,
      "aplica_persona_moral": false
    },
    {
      "clave": "606",
      "descripcion": "Arrendamiento",
      "aplica_persona_fisica": true,
      "aplica_persona_moral": false
    },
    {
      "clave": "612",
      "descripcion": "Personas Físicas con Actividades Empresariales y Profesionales",
      "aplica_persona_fisica": true,
      "aplica_persona_moral": false
    },
    {
      "clave": "621",
      "descripcion": "Incorporación Fiscal",
      "aplica_persona_fisica": true,
      "aplica_persona_moral": false
    },
    {
      "clave": "625",
      "descripcion": "Régimen de las Actividades Empresariales con ingresos a través de Plataformas Tecnológicas",
      "aplica_persona_fisica": true,
      "aplica_persona_moral": false
    },
    {
      "clave": "626",
      "descripcion": "Régimen Simplificado de Confianza",
      "aplica_persona_fisica": true,
      "aplica_persona_moral": true
    }
  ]
}

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Common Fiscal Regimes

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For Persona Física (Individuals)

  • 601: General de Ley Personas Morales
  • 605: Sueldos y Salarios e Ingresos Asimilados a Salarios
  • 606: Arrendamiento
  • 612: Personas Físicas con Actividades Empresariales y Profesionales
  • 621: Incorporación Fiscal
  • 626: Régimen Simplificado de Confianza
  • 601: General de Ley Personas Morales
  • 603: Personas Morales con Fines no Lucrativos
  • 626: Régimen Simplificado de Confianza

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Use Cases

  • Populate regime dropdown when creating profiles
  • Validate fiscal regime codes in invoices
  • Filter available regimes based on person type
  • Display regime information in user interfaces

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Error Responses

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401 Unauthorized
error
Authentication required or token expired
{
  "error": "Unauthorized",
  "message": "Authentication required"
}
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400 Bad Request
error
Invalid tipo_persona parameter
{
  "error": "Bad Request",
  "message": "Invalid tipo_persona. Must be FISICA or MORAL"
}
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500 Internal Server Error
error
Server error occurred
{
  "error": "Internal Server Error",
  "message": "An unexpected error occurred"
}
This catalog is based on the official SAT c_RegimenFiscal catalog and is updated periodically to reflect changes in Mexican tax law.
When creating a profile, always validate that the selected fiscal regime is appropriate for the person type (física or moral).