HTTP Post returning 404. but is working as expected

[BO55VXR]

Hi,

I am developing a Flow to allow our applications to send SMS messages to mobile phones.

Our SMS service provider exposes a REST service and I am using an HTTP POST action in the Flow to send the message.

The problem is that the HTTP action is failing with a 404 NOT FOUND error. but the action is actually working as the SMS message arrives on my phone and I can see the message request in the reporting portal of the service provider.

If I do the same HTTP POST request in a C# console application, or using the POSTMAN tool, the response from the service provider API is a 202 ACCEPTED.

Is Flow/HTTP action do any secondary requests which could return a 404

[v-alzhan-msft · Accepted solution]

Hi @BO55VXR ,

Hope the link below could be your referance:

https://powerusers.microsoft.com/t5/Building-Flows/Flow-fails-404-does-not-exist-Any-advice/td-p/124...

Best regards,

Alice       

Community Support Team _ Alice Zhang
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