http://forums.method.me/cs/forums/15.aspxAsk questions specific to the MethodAPI from the Method Team and other Method users.enCommunityServer 2007.1 SP2 (Build: 31113.47)http://forums.method.me/cs/forums/thread/36584.aspxFri, 05 Aug 2022 14:54:54 GMT3393c1ec-311b-4812-96cb-ad8c611bba4f:36584Method_Mamoon0http://forums.method.me/cs/forums/thread/36584.aspxhttp://forums.method.me/cs/forums/commentrss.aspx?SectionID=15&PostID=36584<p><span style="overflow:hidden;"><span style="overflow:hidden;"><span id="mce_32_start" style="overflow:hidden;"></span></span></span>Hi Sonam,</p> <p></p> <p>There are a few different reasons that you could get this error. Could I ask first what authentication method you are using? The main reason you get this error is if there is an issue with either the API Key or access token. Possible reasons could be a misspelled APIKey or an expired access token. Double-check your authentication workflow and ensure it is set up exactly as outlined in the <span id="mce_3_start" style="overflow:hidden;"><span id="mce_8_start" style="overflow:hidden;"></span><a href="https://developer.method.me/#section/Authentication">docu<span id="mce_7_start" style="overflow:hidden;"></span>mentation</a></span><span id="mce_3_end" style="overflow:hidden;"><a href="https://developer.method.me/#section/Authentication"><span id="mce_8_end" style="overflow:hidden;"></span></a><a href="https://developer.method.me/#section/Authentication"></a></span>.</p> <p><span id="mce_0_start" style="overflow:hidden;"></span><span id="mce_1_start" style="overflow:hidden;"></span></p> <p><span id="mce_1_end" style="overflow:hidden;"></span>Thank you</p> <p></p>http://forums.method.me/cs/forums/thread/36583.aspxFri, 05 Aug 2022 14:05:38 GMT3393c1ec-311b-4812-96cb-ad8c611bba4f:36583sonam0http://forums.method.me/cs/forums/thread/36583.aspxhttp://forums.method.me/cs/forums/commentrss.aspx?SectionID=15&PostID=36583<p><span id="mce_0_start" style="overflow:hidden;">I have created API Key using my Method CRM&nbsp; free account. Now i am using postman collection for Method CRM API . When i am using this API Key , i am always getting&nbsp; error as 401 Unauthorised</span></p>