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(Perl) USPS OAuth2 Client CredentialsSee more OAuth2 ExamplesGet an OAuth2 access token for the United States Postal Service (USPS) REST API.Note: This example requires Chilkat v11.0.0 or greater. For more information, see https://developers.usps.com/api/81
use chilkat(); $success = 0; # This example assumes the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $http = chilkat::CkHttp->new(); # Implements the following CURL command: # curl -X POST https://apis.usps.com/oauth2/v3/token \ # -H "Content-Type: application/x-www-form-urlencoded" \ # -d "grant_type=client_credentials" \ # -d "client_id=123456789" \ # -d "client_secret=A1B2C3D4E5" \ # -d "scope=ResourceA+ResourceB+ResourceC" # Use the following online tool to generate HTTP code from a CURL command # Convert a cURL Command to HTTP Source Code $req = chilkat::CkHttpRequest->new(); $req->AddParam("grant_type","client_credentials"); $req->AddParam("client_id","123456789"); $req->AddParam("client_secret","A1B2C3D4E5"); $req->AddParam("scope","ResourceA+ResourceB+ResourceC"); $req->put_HttpVerb("POST"); $req->put_ContentType("application/x-www-form-urlencoded"); $resp = chilkat::CkHttpResponse->new(); $success = $http->HttpReq("https://apis.usps.com/oauth2/v3/token",$req,$resp); if ($success == 0) { print $http->lastErrorText() . "\r\n"; exit; } $sbResponseBody = chilkat::CkStringBuilder->new(); $resp->GetBodySb($sbResponseBody); $jResp = chilkat::CkJsonObject->new(); $jResp->LoadSb($sbResponseBody); $jResp->put_EmitCompact(0); print "Response Body:" . "\r\n"; print $jResp->emit() . "\r\n"; $respStatusCode = $resp->get_StatusCode(); print "Response Status Code = " . $respStatusCode . "\r\n"; if ($respStatusCode >= 400) { print "Response Header:" . "\r\n"; print $resp->header() . "\r\n"; print "Failed." . "\r\n"; exit; } # Sample JSON response: # (Sample code for parsing the JSON response is shown below) # { # "access_token": "eyJraWQiOiIxMDEwMTAiLCJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzdWIiOiIiLCJhdWQiOiJhZGRyZXNzZXMgaW50ZXJuYXRpb25hbC1wcmljZXMgc3Vic2NyaXB0aW9ucyBwYXltZW50cyBwaWNrdXAgdHJhY2tpbmcgbGFiZWxzIHNjYW4tZm9ybXMgY29tcGFuaWVzIHNlcnZpY2UtZGVsaXZlcnktc3RhbmRhcmRzIGxvY2F0aW9ucyBpbnRlcm5hdGlvbmFsLWxhYmVscyBwcmljZXMiLCJhenAiOiJoeXI3YjN2Q1J0cFl0QUhNMWE4Y2RVcmt5eUZtTmtiZyIsIm9yZ2FuaXphdGlvbl9pZCI6IjAiLCJpc3MiOiJ1cm46XC9cL2FwaS51c3BzLmNvbSIsImV4cCI6MTY4MDkxNzc4NiwiaWF0IjoxNjgwODg4OTg2LCJqdGkiOiI3YjU5MzJlMS05NjIxLTQzZDAtYTMyNy0xMzIxYWVjNzJjZGYifQ.QzrUxlT2rG4jvYbMDGnk23j8ZYfHJcdXPKR9CbSmcKeVpURaHhEMpPB6K4x5ut3xxeEGSzeE5VRz8vixI4iqyHsD8rSdkLTPHy0iovUHOZQBAJVQ6hii9jpLhxUXmiTtH3jKzSj_f2fuNmZbIGhf-CR2FBeWF-aBPzEDEMV95nkCUMfW_Z2BmkbraSfvQZxkCO-cLrMAwlYcrzUtaJ7vnazeQB4sep5BBHBEvsa4kfq6_tz6BAKgv3R7cI2NkSv-wgy_IGoTjVCMTS8mJHGs_t8cWCO8-z4lxW1tUwIBKOCUDpmEEnGgiG6Sl0C_gGl4bZ5cDSl4IgPpcOVi9jZ7LA", # "token_type": "Bearer", # "issued_at": 1680888985929, # "expires_in": 28799, # "status": "approved", # "scope": "addresses international-prices subscriptions payments pickup tracking labels scan-forms companies service-delivery-standards locations international-labels prices", # "issuer": "api.usps.com", # "client_id": "hyr7b3vCRtpYtAHM1a8cdUrkyyFmNkbg", # "application_name": "Silver Shipper Developer", # "api_products": "[Shipping-Silver]", # "public_key": "LS0tLS1CRUdJTiBQVUJMSUMgS0VZLS0tLS0KTUlJQklqQU5CZ2txaGtpRzl3MEJBUUVGQUFPQ0FROEFNSUlCQ2dLQ0FRRUF4QWxwZjNSNEE1S0lwZnhJVWk1bgpMTFByZjZVZTV3MktzeGxSVzE1UWV0UzBjWGVxaW9OT2hXbDNaaVhEWEdKT3ZuK3RoY0NWVVQ3WC9JZWYvTENZCkhUWk1kYUJOdW55VHEwT2RNZmVkUU8zYUNKZmwvUnJPTHYyaG9TRDR4U1YxRzFuTTc1RTlRYitFZ1p0cmFEUXoKNW42SXRpMUMzOHFGMjU5NVRHUWVUemx3Wk1LQng1VTY2bGwzNzlkZ2plTUJxS3ppVHZHWEpOdVg5ZzRrRlBIaApTLzNERm9FNkVFSW8zUHExeDlXTnRaSm93VkRwQUVZZTQ3SU1UdXJDN2NGcXp2d3M1b1BDRHQ4c083N2lUdDN0Cm1vK3NrM2ExWnZSaGs2WUQ3Zkt1UldQVzFEYUM4dC9pazlnWnhqQndYNlZsSUhDRzRZSHlYejZteWdGV09jMmEKOVFJREFRQUIKLS0tLS1FTkQgUFVCTElDIEtFWS0tLS0t" # } # Sample code for parsing the JSON response... # Use the following online tool to generate parsing code from sample JSON: # Generate Parsing Code from JSON $access_token = $jResp->stringOf("access_token"); $token_type = $jResp->stringOf("token_type"); $issued_at = $jResp->IntOf("issued_at"); $expires_in = $jResp->IntOf("expires_in"); $status = $jResp->stringOf("status"); $scope = $jResp->stringOf("scope"); $issuer = $jResp->stringOf("issuer"); $client_id = $jResp->stringOf("client_id"); $application_name = $jResp->stringOf("application_name"); $api_products = $jResp->stringOf("api_products"); $public_key = $jResp->stringOf("public_key"); |
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