Creating a new Listing - C#

[Brandon Hong]

Hello fellow developers, 

I've been EXTREMELY stuck for the past couple days trying to figure out how to create a new listing (just for testing purposes right now) in a C# console application.

So far, i've done the OAuth authentication process, from which i received my permanent access_token and secret. However, the Etsy API documentation ONLY provides very basic, brief php examples and BARELY gives any other information on making authenticated requests to write user data (or even any type of request for that matter). 

As a result, I am stuck on:

(1) Passing my access token with an web request to make an authenticated request

(2) Making an authenticated request to create new listings

        - More specifically, I don't know how to structure the URL that I am using for the POST method to create a new listing

Attached is my relevant code:

Here is the MakeRequest Method:

Any help would be greatly appreciated!

[david olick]

It's hard to say without knowing more, but are you sure the POST data should be a JSON string?  If you don't know whether your data is being converted to the usual http POST format you may need to do some packet sniffing and see how your data is getting sent out.

--

David Olick

Oriku Inc.

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[Brandon Hong]

Hey thanks for the reply david! I am using RestSharp api to create my requests automatically... This creates the request in the proper format. I've made a little progress since yesterday - using base url https://openapi.etsy.com/v2/private/listings?api_key=xxxxxxxxxxxx i created the request, but keep getting the error message : "This is a restricted API key and this user is not in the authorized set. Please contact the app creator for more information."

Im quite confused about this error as i've received my access token and secret under the proper permission scopes AND the registered api key for my app is under the SAME account that i'm trying to create a new listing in..... very confused right now

I wish etsy would provide more details and USEFUL examples in their documentation

[Brandon Hong]

UPDATE: instead of using "api_key" as the parameter, i changed it to "oauth_consumer_key" (still with the same api key value, however) and the error changed to 

"Server Error" 

Any ideas what may be causing this?

On Tuesday, June 21, 2016 at 11:38:57 AM UTC-4, david olick wrote:

[Kristin Veck]

I am happy to help - I struggled quite a bit to get me C# client up and running. 

I have two esty apps written in c# - one uses RestSharp libraries to make the API requests and do the OAuth signing, the other uses OAuth Net code (http://oauth.net/code/) to perform the OAuth signing and System.Net.HttpClient and System.Net.HttpResponse to make/get the http requests.

Which method would you prefer to use?

Also - have you been successful to use any GET API methods that require OAUTH?

Kris.

[Brandon Hong]

Thanks for the reply kveck!! I'd prefer to use the RestSharp library because it's easier and i've already started using this approach(although i feel it would be really useful to learn System.net). 

I haven't tried GET methods that REQUIRE oauth signing, but GET methods with basic api_key authentication work perfectly fine.

I'm not sure if you saw but i posted another thread in which i describe my issue in more detail.... (That thread also contains my debugging information - i.e request and response headers)

 - currently, the issue that im facing is an HTTP 500 Internal server error when calling POST method to create new listing

[Brandon Hong]

bump

On Tuesday, June 21, 2016 at 4:20:24 PM UTC-4, kveck wrote:

[Faisal Pathan]

Please any one can send Oath request and API call example in c#  ? 

[Manuel Reinfurt]

Sure! I've written an article about it here: https://manuelreinfurt.medium.com/use-etsy-api-with-oauth-1-0-in-asp-net-core-c-819fb6edd376

You can find the example on GitHub: https://github.com/mreinfurt/etsy-aspnetcore

Hope it helps!

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