---
title: "Activate a series on a connection"
method: PUT
path: "/fiscal-document/v1/fiscalization/connections/{connectionId}/series/activate"
tags: ["Fiscal Connection Config"]
---

# Activate a series on a connection

`PUT /fiscal-document/v1/fiscalization/connections/{connectionId}/series/activate`

## Request

- Base URL: `https://api.cloudbeds.com`
- URL: `https://api.cloudbeds.com/fiscal-document/v1/fiscalization/connections/{connectionId}/series/activate`
- Auth: one of:
  - HTTP bearer
  - OAuth 2
    - Authorization code: `https://api.cloudbeds.com/auth/oauth/authorize`
    - Token URL: `https://api.cloudbeds.com/auth/oauth/token` scopes: `write:reservation`

Activates the given series and deactivates the connection's other series of the same document kind.

## Path parameters

- `connectionId` integer, required

## Headers

- `X-Property-ID` integer, required

## Request body

- ActivateSeriesRequest
  - `seriesCode` string, required: The series code to activate or deactivate (e.g., "FT CB-2026")
  - `documentKind` string: Document kind the series belongs to. Required only when the same code backs series of more than one kind on the connection, which is legal.

## Response `200`

OK

- FiscalizationSeriesResponse
  - `series` SeriesMapping[]
    - `documentKind` string, required: Document kind (e.g., INVOICE, CREDIT_NOTE, INVOICE_RECEIPT)
    - `seriesName` string, required: Registered series name (e.g., "FT CB-2026")
    - `documentType` string: SAF-T document type prefix (e.g., FT, NC)
    - `validationCode` string: AT validation code for ATCUD generation
    - `active` boolean: Whether this series is currently active for new documents

## Other responses

- `400`: Bad Request
- `404`: Not found

---

[API](https://skmtc.dev/cloudbeds/apis/fiscal-document-service-api.md) - [All operations](https://skmtc.dev/cloudbeds/apis/fiscal-document-service-api/llms.txt) - [OpenAPI document](https://skmtc.dev/cloudbeds/apis/fiscal-document-service-api/revisions/9c2a47775e5e?raw)