Error returned HTTP status 400 Bad Request

[AleksandrBurdenko]

Hello!
I have a problem with prometheus to cloudwatch error: returned HTTP status 400 Bad Request

My prometheus collect metrics by blackbox exporter icmp on path http://url:9115/probe but when i export PROMETHEUS_SCRAPE_URL env i receive error: prometheus-to-cloudwatch: Error: GET request for URL "http://url:9115/probe" returned HTTP status 400 Bad Request
If i using http://url:9115/metrics it's work but i dont have metrics their what i need

Do you have any advice ?

Thank you