Get Fiscal Regimes

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.

Authentication

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

Query Parameters

string

Filter by person type. Options: FISICA, MORAL

Response

RegimenFiscalItem[]

required

Array of fiscal regime objects

Show Fiscal Regime Object

string

required

Fiscal regime code (e.g., “601”, “612”)

string

required

Description of the fiscal regime

boolean

required

Whether this regime applies to individuals (Persona Física)

boolean

required

Whether this regime applies to legal entities (Persona Moral)

Example Request

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

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
    }
  ]
}

Common Fiscal Regimes

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

For Persona Moral (Legal Entities)

601: General de Ley Personas Morales
603: Personas Morales con Fines no Lucrativos
626: Régimen Simplificado de Confianza

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

Error Responses

error

Authentication required or token expired

{
  "error": "Unauthorized",
  "message": "Authentication required"
}

error

Invalid tipo_persona parameter

{
  "error": "Bad Request",
  "message": "Invalid tipo_persona. Must be FISICA or MORAL"
}

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).

Authentication

Profiles

Invoices

Expenses

Subscription

SAT Search

Get Fiscal Regimes

GET /api/sat/regimenes-fiscales

Authentication

Query Parameters

Response

Example Request

Example Response

Common Fiscal Regimes

For Persona Física (Individuals)

For Persona Moral (Legal Entities)

Use Cases

Error Responses

​GET /api/sat/regimenes-fiscales

​Authentication

​Query Parameters

​Response

​Example Request

​Example Response

​Common Fiscal Regimes

​For Persona Física (Individuals)

​For Persona Moral (Legal Entities)

​Use Cases

​Error Responses

GET /api/sat/regimenes-fiscales

Authentication

Query Parameters

Response

Example Request

Example Response

Common Fiscal Regimes

For Persona Física (Individuals)

For Persona Moral (Legal Entities)

Use Cases

Error Responses