---
url: https://docs.youcan.shop/youcan-pay/error-cases.md
---
# Errors

YouCan Pay uses conventional HTTP response codes to indicate the success or failure of an API request. In general: Codes in the 2xx range indicate success. Codes in the 4xx range indicate an error that failed given the information provided (e.g., a required parameter was omitted, a charge failed, etc.). Codes in the 5xx range indicate an error with YouCan Pay's servers (these are rare). Some 4xx errors could be handled programmatically.

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| `error` | string | A human-readable message providing more details about the error. |
| `Validation Error` | object | Contains children |
| `message` | string | A human-readable message providing more details about the error. |
| `fields` | object | An object that contains all the fields that have a validation error. The fields come as an array of messages. |

## HTTP Status Codes

| Code | Description |
| --- | --- |
| 200 - OK | Everything worked as expected. |
| 201 - Created | The object has been successfully created. |
| 400 - Bad Request | The request was unacceptable, often due to missing a required parameter. |
| 401 - Unauthorized | No valid API key provided. |
| 422 - Unprocessable Entity | Validation error. |
| 404 - Not Found | The requested resource doesn't exist. |
| 500 - Server Errors | Something went wrong on YouCan Pay's end. (These are rare.) |