How to publish downlink payload on ttn using API

Hi Everyone,

I want to send downlink payload via TTN. I am using the downlink_url received in uplink payload as follows,


The sample payload I am sending is as follows,


I am getting following response in return,

{“code”:405,“error_description”:“Method Not Allowed”};

How can I submit downlink payload to TTN successfully.


Make sure you are doing a HTTP POST or PUT. you may be invoking a ‘GET’


1 Like

I had already tried HTTP POST and PUT both. I also tried changing URL to

but it returns me
{“code”:404,“error_description”:“Not Found”};