---
title: "Assign free card"
method: POST
path: "/cards/actions/assign-free-card"
tags: ["Cards"]
---

# Assign free card

`POST /cards/actions/assign-free-card`

Assign a free card to a customer.
This action is limited to one card per card type per customer. If your project allows customers to have multiple cards of one type, use [PUT /cards/{card_id}](https://carecloud.readme.io/reference/putcard) instead.
See [Assign card to customer](https://help.crmcarecloud.com/en/marketing-automation/actions/assign-card-to-customer) for details.

## Headers

- `Accept-Language` string

## Request body

- object
  - `card_type_id` string, required — The unique ID of the card type.
  - `customer_id` string, required — The unique ID of the card holder.
  - `card_number` string — Card number.

## Response `200`

OK

- object
  - `data` object
    - `card_id` string — The unique ID of the card.

## Other responses

- `400` — Bad input parameter. The response body's `error.error_data.invalid_params[]` array lists the parameters that caused the failure, each carrying a `reason` code. See the `BadRequestErrorBody` schema for the generic reason taxonomy. Operations with domain-specific business rules document additional reasons at the operation level.
- `401` — The client has invalid credentials or auth token.
- `403` — The client does not exist or the client tried to access an unauthorized property or resource.
- `404` — The resource was not found.
- `405` — The resource does not support the specified HTTP method.
- `429` — Too many requests - more than the resource limit.
- `500` — Server is not working as expected.
- `503` — Temporary state when the service is temporarily unavailable, overloaded or there is a maintenance window.

---

[API](https://skmtc.net/crmcarecloud/apis/rest-api-reference.md) · [All operations](https://skmtc.net/crmcarecloud/apis/rest-api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/crmcarecloud/rest-api-reference/revisions/329c06dbf8d9/schema)