---
title: "Create an old card number"
method: POST
path: "/v1/loyalty-cards/old-numbers"
tags: ["Loyalty Cards"]
---

# Create an old card number

`POST /v1/loyalty-cards/old-numbers`

## Request

- Base URL: `` (relative, and it does not resolve against the document’s source URL)
- URL: `/v1/loyalty-cards/old-numbers`
- Auth: one of:
  - API key in header `sessionKey`
  - API key in header `clientCode`
  - API key in header `jwt`
- TypeScript: <https://skmtc.dev/erply/apis/crm-api/docs/v1/loyalty-cards/old-numbers/post.ts> (a function with typed inputs; its response is checked against the schema)

Create an old card number

## Request body

- CustomersApiInternalModelsCreateOldCardNumberRequest
  - `cardNumber` string
  - `customerId` integer

## Response `201`

Created

- ResponsesResponse
  - `id` integer

## Other responses

- `400`: Bad Request
- `500`: Internal Server Error

---

[API](https://skmtc.dev/erply/apis/crm-api.md) - [All operations](https://skmtc.dev/erply/apis/crm-api/llms.txt) - [OpenAPI document](https://skmtc.dev/erply/apis/crm-api/revisions/36dd4cc370b2?raw)