API sandbox /v2/checkout/orders/ 404 Error

[phpcoder]

Hey guys,

i get crazy... since near to 1,5 hours i spent now on the paypal API V2.

i am coding the server side part. i recieve after the sandbox payment the orderID, i get also the access token.

But if i try to get order details i just recieve 404 Errors in a row, no matter if i send it with or without header.

Can anyone confirm, that the v2/checkout/orders/ $orderID works?

and maybe help me with some lines of php curl, how to get it working?

Thansk!