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POAuthorization failure in USPS Address verification API
 

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  1. POAuthorization failure in USPS Address verification API
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    <p>Just i have a Registered with <a href="https://www.usps.com/business/web-tools-apis/welcome.htm" rel="nofollow">USPS</a> which provides the <code>US Address Validation API</code>. I am using the following code to get the <code>XML Response</code>. </p> <p>But, unfortunately the <code>Response</code> says:</p> <blockquote> <p>Authorization Failure User 'xxxxxxxxx' is not authorized to use API Verify.USPSCOM::DoAuth.</p> </blockquote> <p>Do i missing something?</p> <p>Code:</p> <pre><code>void IsValidAddress() { string USPS = "http://production.shippingapis.com/ShippingAPITest.dll?API=Verify&amp;XML=&lt;AddressValidateRequest%20USERID='xxxxxxx'&gt;&lt;Address ID='1'&gt;&lt;Address1&gt;&lt;/Address1&gt;&lt;Address2&gt;8 Wildwood Drive&lt;/Address2&gt;&lt;City&gt;Old Lyme&lt;/City&gt;&lt;State&gt;CT&lt;/State&gt;&lt;Zip5&gt;06371&lt;/Zip5&gt;&lt;Zip4&gt;&lt;/Zip4&gt;&lt;/Address&gt;&lt;/AddressValidateRequest&gt;"; WebClient wsClient = new WebClient(); byte[] responseData = wsClient.DownloadData(USPS); string response = string.Empty; foreach (byte item in responseData) { //this will return the xml response response += (char)item; } string result = response; Response.Write(result); } </code></pre> <p>Please see: <a href="https://www.usps.com/business/web-tools-apis/address-information-v3-1d.htm#_Toc131231398" rel="nofollow">How to Validate Address on USPS</a></p> <p><strong>Note:</strong> the <code>User ID</code> is my personal User ID that is issued by USPS Service Provider.</p>
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    1. USabatishchev
    1. USSHEKHAR SHETE
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    1. COI'd say you should ask the API provider
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      1. USAlex
    2. COUnfortunately, as a free service, they provide no support.
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      1. USMatt
    3. COMine just started doing this after years of trouble-free service. Perhaps a subtle API change has occurred?
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      1. USMalachi
 

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