Debugging custom REST APIs

[Manthan Dave]

Do you have add store code to urls settings is enabled from admin ? please confirm ?

Also i am able to get root category using the below url.

Try below Steps:

• Your Api url - http://test.com/index.php/rest/all/V1/categories
• Your Api Method - Get
• Your Headers should be - Authorization Bearer youradminaccesstoken

Note : Make sure you pass all keyword in Url and it will works

Refer this link - https://magento.stackexchange.com/questions/180591/magento-2-rest-api-returns-only-default-category-...

[i95Dev_Sudha]

Please check for your routename and then method name
if both are correct then please pass the parameters also in url
for example in your case, pass parameter like orderId (if you have more then pass all ) http://localhost/magento2/rest/V1/order/myorder/orderId

In my case, I missed passing parameters in url