---
title: "Finalize a signup for the signed-in user"
method: POST
path: "/api/v2/signups/{id}/authenticated_finalize"
tags: ["Signups"]
---

# Finalize a signup for the signed-in user

`POST /api/v2/signups/{id}/authenticated_finalize`

## Request

- Base URL: `https://developer.productive.io` (the document declares no server; this is the origin it was published from)
- URL: `https://developer.productive.io/api/v2/signups/{id}/authenticated_finalize`
- Auth: none declared

## Path parameters

- `id` string, required

## Request body

- object
  - `data` object
    - `attributes` object
      - `code` Code (unresolved $ref)
      - `company_name` CompanyName (unresolved $ref)
      - `country` Country (unresolved $ref)
      - `currency` Currency (unresolved $ref)
      - `first_name` FirstName (unresolved $ref)
      - `last_name` LastName (unresolved $ref)
      - `locale` Locale (unresolved $ref)
      - `password` Password (unresolved $ref)
      - `phone` Phone (unresolved $ref)
      - `plan_cycle` PlanCycle (unresolved $ref)
      - `plan_type` PlanType (unresolved $ref)

## Response `204`

No Content

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `406`: Not Acceptable
- `408`: Request Timeout
- `415`: Unsupported Media Type
- `422`: Unprocessable Content
- `423`: Locked
- `429`: Too Many Requests
- `500`: Internal Server Error

## Changes

- **2026-11-02** `fa3060fd0144`: 3 warning, 7 info
  - added the new `bad_decimal_format` enum value to the `errors/items/code` response property for the response status `422`
  - added the new `non_finite_number` enum value to the `errors/items/code` response property for the response status `422`
  - added the new `null_bytes_in_params` enum value to the `errors/items/code` response property for the response status `422`
  - added the non-success response with the status `400`
  - …6 more

[Operation history](https://skmtc.dev/productive/apis/api-documentation/changes/api/v2/signups/:id/authenticated_finalize/post.md)

---

[API](https://skmtc.dev/productive/apis/api-documentation.md) - [All operations](https://skmtc.dev/productive/apis/api-documentation/llms.txt) - [OpenAPI document](https://skmtc.dev/productive/apis/api-documentation/revisions/e7bdfdf6cba3?raw)