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Tech Note: Using the Amazon Product Advertising API with 4D
PRODUCT: 4D | VERSION: 11.4 | PLATFORM: Mac & Win
Published On: November 5, 2009
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The purpose of this Technical Note is to illustrate how advanced Web Services Client functionality can be implemented in 4D. Amazon's Product Advertising API is used as an example, as the service requires extra coding in order to be called from 4D. More specifically, HMAC-SHA256 digest signatures, REST type web services, complex SOAP headers and other topics related to web services are discussed in this document.

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