---
title: "Leer series fiscales"
description: "Consulta las series fiscales configuradas para la organización."
language: es-MX
canonical_url: "https://exac.mx/docs/mcp/tools/get_fiscal_series"
md_url: "https://exac.mx/docs/mcp/tools/get_fiscal_series.md"
---

# Leer series fiscales

Consulta las series fiscales configuradas para la organización.

Herramienta: `get_fiscal_series`

## Propósito

Consulta las series fiscales configuradas para la organización.

### Úsala cuando

Necesitas la serie actual antes de emitir un CFDI.

### No la uses cuando

Necesitas corregir el contador de una serie.

| Detalle | Valor |
| --- | --- |
| Permisos | settings:read |
| Efectos secundarios | Ninguno |
| Idempotencia | Idempotente |

## Esquema de entrada

```json
{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false
}
```

## Esquema de salida

```json
{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "status": {
          "type": "string",
          "enum": [
            "preparing",
            "ready",
            "attention_required"
          ]
        },
        "initializedAt": {
          "allOf": [
            {
              "$ref": "#/definitions/__schema0"
            }
          ]
        },
        "lastVerifiedAt": {
          "allOf": [
            {
              "$ref": "#/definitions/__schema0"
            }
          ]
        },
        "series": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "seriesId": {
                "type": "string",
                "minLength": 1
              },
              "code": {
                "type": "string"
              },
              "nextFolioProduction": {
                "$ref": "#/definitions/__schema1"
              },
              "nextFolioDevelopment": {
                "$ref": "#/definitions/__schema1"
              },
              "status": {
                "type": "string",
                "enum": [
                  "active",
                  "inactive"
                ]
              },
              "updatedAt": {
                "$ref": "#/definitions/__schema0"
              }
            },
            "required": [
              "seriesId",
              "code",
              "nextFolioProduction",
              "nextFolioDevelopment",
              "status",
              "updatedAt"
            ],
            "additionalProperties": false
          }
        }
      },
      "required": [
        "status",
        "series"
      ],
      "additionalProperties": false
    },
    "error": {
      "$schema": "http://json-schema.org/draft-07/schema#",
      "type": "object",
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "validation_error",
            "unauthenticated",
            "forbidden",
            "not_found",
            "method_not_allowed",
            "conflict",
            "idempotency_conflict",
            "operation_in_progress",
            "recovery_required",
            "rate_limited",
            "provider_unavailable",
            "internal"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "type": "object",
          "properties": {
            "issues": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "path": {
                    "type": "array",
                    "items": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        }
                      ]
                    }
                  },
                  "message": {
                    "type": "string"
                  },
                  "code": {
                    "type": "string"
                  }
                },
                "required": [
                  "path",
                  "message"
                ],
                "additionalProperties": false
              }
            },
            "retryable": {
              "type": "boolean"
            },
            "retryAfterSeconds": {
              "type": "integer",
              "exclusiveMinimum": 0,
              "maximum": 9007199254740991
            }
          },
          "additionalProperties": false
        }
      },
      "required": [
        "code",
        "message"
      ],
      "additionalProperties": false
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "definitions": {
    "__schema0": {
      "type": "string",
      "format": "date-time"
    },
    "__schema1": {
      "type": "integer",
      "minimum": 1,
      "maximum": 9007199254740991
    }
  },
  "oneOf": [
    {
      "required": [
        "data"
      ]
    },
    {
      "required": [
        "error"
      ]
    }
  ]
}
```

## Herramientas relacionadas

- [`update_fiscal_series`](/docs/mcp/tools/update_fiscal_series.md) — **Actualizar serie fiscal**: Actualiza una serie fiscal existente de la organización.

- [`create_cfdi_draft`](/docs/mcp/tools/create_cfdi_draft.md) — **Crear borrador CFDI**: Crea un borrador CFDI con impuestos canónicos. En complementos, Exac puede calcularlos o aceptar el taxObject y las filas del pago.

## Flujo relacionado

[Consulta los flujos canónicos en la introducción](/docs.md)

## Operaciones REST equivalentes

- [`GET /v1/settings/fiscal-series`](/docs/api/catalog/settings/get-fiscal-series.md)

Documentación completa: https://exac.mx/docs.md
Índice para agentes: https://exac.mx/docs/llms.txt