Get the default series for a document type

Return the default numbering series for the given document type (invoice, quote, proforma, delivery_note).

Returns 404 when no default is configured.

Query Parameters

document_type*string

Document type whose default series is requested.

Value in"invoice" | "quote" | "proforma" | "delivery_note"

Pin the API version (YYYY-MM-DD, Stripe-style date versioning) for this request; omit to use the key's pinned version, or the latest if none. Unsupported version → 400 unsupported_api_version; malformed → 400 parameter_invalid_format. The effective version is echoed in the Factuarea-Version response header. See the Versioning guide.

Formatdate

X-Active-Profile?string

Operate on behalf of a child company (gestoría master key): pass its public id (UUID v7) and the request runs against that child's data without changing the key's scope, tier or environment (omit to use the key's own company). Invalid UUID → 400 parameter_invalid_uuid; unknown or non-owned id → 404 profile_not_found. See the Acting on behalf guide.

Formatuuid

Response Body

`application/json`

Request example

const apiKey = process.env.FACTUAREA_API_KEY;if (!apiKey) throw new Error("Set FACTUAREA_API_KEY");const response = await fetch("https://api.factuarea.com/v1/series/default?document_type=invoice", {  method: "GET",  headers: { Authorization: `Bearer ${apiKey}`, ...{"Accept":"application/json"} },});if (!response.ok) throw new Error(await response.text());if (response.status !== 204) console.log(await response.json());

Response example

{
  "data": {
    "id": "01931b3e-7c4a-7f2e-9a8b-3c5d6e7f8a0e",
    "object": "series",
    "code": "F-2026",
    "name": "Facturas 2026",
    "document_type": "invoice",
    "prefix": "F-2026-",
    "number_format": "{code}-{YYYY}-{000}",
    "next_number": 46,
    "current_number": 45,
    "initial_number": 1,
    "counter_reset": "annual",
    "year_reset": true,
    "is_default": true,
    "is_active": true,
    "created_at": "2026-01-01T00:00:00Z",
    "updated_at": "2026-01-20T11:30:00Z"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "missing_api_key",
    "message": "Falta header Authorization o X-API-Key.",
    "doc_url": "https://docs.factuarea.com/guides/errors#missing_api_key",
    "request_id": "req_5184ae416db9efa1a4e0247121"
  }
}

{
  "error": {
    "type": "authorization_error",
    "code": "insufficient_scope",
    "message": "Esta operación requiere el scope 'series:read'. Tu API key solo tiene los scopes: ninguno.",
    "doc_url": "https://docs.factuarea.com/guides/errors#insufficient_scope",
    "request_id": "req_9af6003a01fa44972742244c81"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "invalid_param_value",
    "message": "El parámetro `document_type` es obligatorio.",
    "doc_url": "https://docs.factuarea.com/guides/errors#invalid_param_value",
    "request_id": "req_9089dc575723ba1ab7fa847646"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limit_exceeded",
    "message": "Has excedido el límite de requests permitido. Reintenta más tarde.",
    "doc_url": "https://docs.factuarea.com/guides/errors#rate_limit_exceeded",
    "request_id": "req_a4b5b0a226e00358ab67ff521f"
  }
}

{
  "error": {
    "type": "api_error",
    "code": "internal_error",
    "message": "Algo se rompió en nuestro lado al procesar la petición. La condición no la provoca tu payload.",
    "doc_url": "https://docs.factuarea.com/guides/errors#internal_error",
    "request_id": "req_ecff89a9e4622a6ca94ac85936"
  }
}

Get the default series for a document type

Authorization

Query Parameters

Headers

Response Body

200application/json

401application/json

403application/json

422application/json

429application/json

500application/json

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`

`application/json`