# Buy subscription

Endpoint: POST /api/user/v1/projects/{project_id}/subscriptions/buy
Version: 2.0
Security: projectUserJwtAuth

## Query parameters:

  - `country` (string)

## Path parameters:

  - `project_id` (integer, required)

## Request fields (application/json):

  - `available_plans` (object,null)
    Plans d'abonnement à afficher dans l'interface de paiement.

  - `custom_parameters` (object,null)
    You can pass additional parameters in the token

  - `plan_external_id` (string,null)
    You must provide either a plan_external_id
    Example: "PlanExternalId"

  - `product_id` (integer,null)
    ID of the product associated with the plan
    Example: "12345"

  - `settings` (any,null)

## Response 200 fields (application/json):

  - `link_to_ps` (string, required)
    Example: "https://secure.xsolla.com/paystation2/?access_token=<access_token>"


## Response 404 fields