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dan_shneider
Level 7

Add params to POST request body

Hey. 
In my Roko channel I am sending a POST request to our server.
Is there a way to add params to POST request body (Not the header)?
It can be a single key-value or several of them. or a json object

Thanks,
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17 Replies
EnTerr
Level 8

Re: Add params to POST request body

save to tmp:/ and then roUrlRequest.postFromFile() ?
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dan_shneider
Level 7

Re: Add params to POST request body

Thanks, but in this case, can you please explain how do I add header params and body params (json) to a request/file?
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EnTerr
Level 8

Re: Add params to POST request body

"dan_shneider" wrote:
Thanks, but in this case, can you please explain how do I add header params and body params (json) to a request/file?

regarding headers and cookies - that's covered in https://sdkdocs.roku.com/display/sdkdoc/ifHttpAgent
re formatting body - no, can't tell you off top of my head - but doing inspecting http in your browser (or Fiddler or packet sniffer) should put you on the right track
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dan_shneider
Level 7

Re: Add params to POST request body

Thanks a lot
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belltown
Level 7

Re: Add params to POST request body

To add POST params to the request body, use ifUrlTransfer.AsyncPostFromString(request), where request is a string containing your POST parameters, url-escaped, separated by ampersands. To url-escape a parameter, call ifUrlTransfer.Escape(param).
https://github.com/belltown/
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EnTerr
Level 8

Re: Add params to POST request body

"belltown" wrote:
To add POST params to the request body, use ifUrlTransfer.AsyncPostFromString(request), where request is a string containing your POST parameters, url-escaped, separated by ampersands. To url-escape a parameter, call ifUrlTransfer.Escape(param).

Oh, my bad for glancing past *PostFromString()! (what was i thinking? probably the query string but that's part of the URL)

The non-Async version should work too, right?
Assuming one does not care about the response body (e.g. as often used as a REST action button).
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belltown
Level 7

Re: Add params to POST request body

"EnTerr" wrote:
"belltown" wrote:
To add POST params to the request body, use ifUrlTransfer.AsyncPostFromString(request), where request is a string containing your POST parameters, url-escaped, separated by ampersands. To url-escape a parameter, call ifUrlTransfer.Escape(param).

Oh, my bad for glancing past *PostFromString()! (what was i thinking? probably the query string but that's part of the URL)

The non-Async version should work too, right?
Assuming one does not care about the response body (e.g. as often used as a REST action button).

Correct, PostFromString should work too.
https://github.com/belltown/
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dan_shneider
Level 7

Re: Add params to POST request body

Thank you all for your replies.
The thing is, I do need Async POST (I am using the data retrieved on the response).
My server expects several values in a json format on the request body.
I am having problems doing so.
I am creating a json string but on the request body is shows as HTML Form URL Encoded: application/x-www-form-urlencoded
This needs to be in format of application/json

stringForRequest = FormatJson(MY_JSON_STRING,1)...
request.AsyncPostFromString(stringForRequest)...

Any tips?
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dan_shneider
Level 7

Re: Add params to POST request body

Solved:
mRequest.AddHeader("Content-Type", "application/json")
mRequest.AddHeader("Accept", "application/json")
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