Why does Logic App HTTP request fail when response has unknown character

Question

I have a logic app which is making a HTTP GET request to an API. HTTP is failing with the following error.

BadRequest. Http request failed as the content was not valid: 'Unable to translate bytes [9B] at index 790 from specified code page to Unicode.'

I am able to invoke the same API using Postman without an any error, however, I can see in the response that there are some unknown characters.

Does anyone know how I can work around this issue using Azure Logic Apps?

Hury Shen · Accepted Answer · 2020-08-03 02:31:32Z

1

This problem was caused by the coding of the response from your api, postman will parse the response automatically but HTTP action in logic app will not do it. As I don't know the coding of your data, so just provide some suggestions for your reference.

1. Please check if the response data is in UTF-8. If not, you can use code like below to convert the response data in your api.

UTF8.decode(response.bodyBytes)

2. Add a field Accept in your HTTP action headers.

Accept: text/html;charset=US-ASCII, text/html;charset=UTF-8, text/plain;
charset=US-ASCII,text/plain;charset=UTF-8

answered Aug 3, 2020 at 2:31

Hury Shen

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Bashar Abu Shamaa Over a year ago

Try first: Accept: /

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