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Common Request Parameters
Each action in the API has its own specific set of parameters, but there is also a set of parameters that all actions use. This section describes those input parameters.
You only need to add these parameters in REST requests. SOAP requests include them by default.
The following table describes parameters that can be used in all requests.
| Parameter | Description | Required |
|---|---|---|
|
|
The API operation, for example, Type: String: Default: None Constraint: Must be a valid operation such as Cancel, Refund, and so on. |
Yes |
AWSAccessKeyId |
A string, distributed by Amazon FPS when you sign up to be a developer, that uniquely identifies the caller. Type: String Default: None | Yes |
|
|
A value calculated using the request parameters and a SHA256 (preferred) or SHA1 HMAC encryption algorithm. Type: String Default: None |
Yes |
|
|
A value that specifies the Type: Integer Default: None Valid Value: 2 |
Yes |
SignatureMethod |
A value that specifies the signing method. Type: String Default: None Valid Values: HmacSHA256 (preferred) and HmacSHA1. |
Yes |
|
|
A date-time value that marks the day and time the request was sent. Requests expire after a certain length of time to prevent malicious users from capturing requests and resubmitting them at a later time. Type: dateTime, for example, 2008-09-18T13:00:01Z Default: None |
Yes |
|
|
The version number of the WSDL to use in processing the request. Version numbers are dates, such as 2008-09-17. For a list of version numbers, go to the Amazon Resource Center at http://aws.amazon.com/resources. Type: String Default: None |
Yes |
