Another option is to use something like Firebase:
https://firebase.google.com/docs/hosting
The free tier gives you 2M cloud functions per month, then $0.40 for each additional million cloud function invocations:
https://firebase.google.com/pricing
Update latency is a few hundred milliseconds which should be sufficient if you are sending updates every minute:
https://stackoverflow.com/questions/37930219/is-firebases-la...
Just be aware that if your JSON payload is large, then you might consume all the egress bandwidth and it might end up costing more than you expect.
There are also alternative platforms which provide similar functionality (I have not used either of these though, so YMMV):
https://backendless.com/pricing/backendless-cloud/#compariso...
https://azure.microsoft.com/en-us/pricing/details/functions/...
Another option is to use something like Firebase:
https://firebase.google.com/docs/hosting
The free tier gives you 2M cloud functions per month, then $0.40 for each additional million cloud function invocations:
https://firebase.google.com/pricing
Update latency is a few hundred milliseconds which should be sufficient if you are sending updates every minute:
https://stackoverflow.com/questions/37930219/is-firebases-la...
Just be aware that if your JSON payload is large, then you might consume all the egress bandwidth and it might end up costing more than you expect.
There are also alternative platforms which provide similar functionality (I have not used either of these though, so YMMV):
https://backendless.com/pricing/backendless-cloud/#compariso...
https://azure.microsoft.com/en-us/pricing/details/functions/...