# RedeemCredits
<a name="API_billing_RedeemCredits"></a>

Redeems an Amazon promotional credit code on behalf of the calling account. On success, a new credit is added to the account's credit ledger with the amount, validity period, and applicable products defined by the promotion. The credit is then automatically applied to subsequent bills according to the standard credit application order.

## Request Syntax
<a name="API_billing_RedeemCredits_RequestSyntax"></a>

```
{
   "promoCode": "{{string}}"
}
```

## Request Parameters
<a name="API_billing_RedeemCredits_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [promoCode](#API_billing_RedeemCredits_RequestSyntax) **   <a name="awscostmanagement-billing_RedeemCredits-request-promoCode"></a>
The promotional credit code to redeem.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `.*[^<>"&\%|' ]*.*`   
Required: Yes

## Response Elements
<a name="API_billing_RedeemCredits_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.

## Errors
<a name="API_billing_RedeemCredits_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You don't have sufficient access to perform this action.  
HTTP Status Code: 400

 ** InternalServerException **   
The request processing failed because of an unknown error, exception, or failure.   
HTTP Status Code: 500

 ** ThrottlingException **   
The request was denied due to request throttling.   
HTTP Status Code: 400

 ** ValidationException **   
The input fails to satisfy the constraints specified by an Amazon Web Services service.     
 ** fieldList **   
The input fails to satisfy the constraints specified by an Amazon service.  
 ** reason **   
The input fails to satisfy the constraints specified by an Amazon service.
HTTP Status Code: 400

## See Also
<a name="API_billing_RedeemCredits_SeeAlso"></a>

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/billing-2023-09-07/RedeemCredits) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/billing-2023-09-07/RedeemCredits)