# Sync Orders

**POST /ordersync**

Send the full list of currently-open order numbers from your shop. Komfortkasse marks any of its open orders for this shop that are NOT in the submitted list as `LEGACY` (i.e. no longer tracked) and updates `lastSeen` for the rest. Returns the number of orders that were marked `LEGACY`. Allow a timeout of at least 10 minutes for this operation.

⚠️ **Warning:** You must always send the **complete** list of currently-open orders in your shop. Any open order not present in the list will be marked `LEGACY` and stop being tracked by Komfortkasse — including reminder, collection and refund processing. Sending a partial list is destructive.


## Servers
- Production: https://ssl.komfortkasse.eu/api/v2 (Production)


## Authentication methods
- Api key


## Parameters



### Body: application/json (array[string])

array[string]

## Responses
### 200
Number of orders that were marked as `LEGACY`.

#### Body: application/json (integer)
integer
### 400
Invalid request — for example missing required fields or wrong format.

#### Body: application/json (object)
- **error** (string)
  Error message.

### 401
Authentication failed — API key missing or invalid.

#### Body: application/json (object)
- **error** (string)
  Error message.

### 404
Resource not found (e.g. unknown order number).

#### Body: application/json (object)
- **error** (string)
  Error message.


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