> For the complete documentation index, see [llms.txt](https://docs.trade.mn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trade.mn/api-doc/error-codes.md).

# Error Codes

Any endpoint can return an ERROR

Sample Payload below:

```javascript
{
  "status": false,
  "code": "4001",
  "msg": [
    "API key олдсонгүй"
  ]
}
```

## Error codes for Trade.mn

Errors consist of two parts: an error code and a message. Codes are universal, but messages can vary. Here is the error JSON payload:

```javascript
{
  "status": false,
  "code": "4001",
  "msg": [
    "API key олдсонгүй"
  ]
}
```

**-4001 Validation error**

**-4004 Body parse error**

**-0014 Unavailable error**