eBay Kleinanzeigen API access (eBay Classifieds Germany) - ebay-api

For a mobile app we would love to integrate the eBay Kleinanzeigen (www.ebay-kleinanzeigen.de) API. Goal is to (API GET) get all the classifieds in a certain (German) zip code.
However the documentation is not very useful.
The API under https://api.ebay-kleinanzeigen.de/api/ads request login and password for this API. We used the username and password from www.ebay-kleinanzeigen.de and the eBay Partner (Developer) login credentials but both are not working.
Does anyone know how to use it and what credentials we need to use it or has experience with this API?

The eBay Kleinanzeigen API is not public available and is used internally for some applications, including their own apps.
Still, some third parties have access to it, but this is always based on business reasons and contractually regulated. There is no regular developer program to access the API.
If you think you have a product which would work great with eBay Kleinanzeigens inventory, and for that also want to have access to the API you should contact their business development team.

The eBay Kleinanzeigen API is not public available and is used internally for some applications, including their own apps.
If this is the case and you don't need to provide the "eBay Partner" credentials in the apps, they seems to be part of the code.
An overview of the apps can be found here:
https://www.ebayclassifiedsgroup.com/mobile.html
This is not a guidance to do it, just a syllogism.

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LinkedIn products to subscribe to get access to messaging api

We are tech start-up developing an application and would like to utilise the messaging and connections api.
It looks like this would require special approval from you since the API documentation is saying "Usage of this API is restricted to approved partners, subject to limitations via API agreement."
https://learn.microsoft.com/en-us/linkedin/shared/integrations/communications/messages
We have added all the available products in the application dashboard but that seem to be not adding all the scopes we need to make these calls.
Could someone help us with the process of the product we need to have to get the correct permission so that we can access those APIs?
Thanks
Robi

I can't log in to my dashboard through a shopify api

I cannot log in to shopify through an api.
I want to build a private app with a shopify api, and I just created a laravel project and connected it to shopify through an api. I am using 'ohmybrew' and wrote my api credentials in my config. I tried to log in through an api but I get an error as follows.
Oauth error invalid_request: The Shopify API application does not support oauth
I expected to go to my dashboard but it did not work. It's my first time to work with shopify, and I am baffled as to what to do. I would appreciate it if someone could tell me what I am doing wrong.
oAuth is well established. You could probably say almost all systems with a public API support oAuth. Shopify is no different from any of them, and they all follow the same pattern. So it seems your attempt to follow that pattern is incorrect. The best thing you can do then is to look up some tutorials on how to connect to an API using oAuth, with an emphasis on your scripting language so you can have some solid code examples to follow. Once you master oAuth, you'll be able to see your dashboard.

How to get data from LinkedIn?

I have an application where I want to get organizational data from LinkedIn like the name of an organization, address etc. Searching on the web I find out there is Organization Lookup API and there is Organization Search API on LinkedIn, just want to know how can I implement these APIs?
As per the documentation provided by the LinkedIn, I have created my app on the LinkedIn platform and have got the client ID and the Secret Key and have generated the required auto 2.0 access token, now when i try to hit the organization lookup API it gives me 403 error
i do not think you can implement it because for the V2 API of linkedin you need a partnership. you can request a partnership for linkedin for free on their website.
the 403 error is a forbidden error because you do not have the permissions you need.
the V1 API is fully useable for people without a partnership.
partnering with LinkedIn provides you with additional API functionality & data access, increased call limits & dedicated support. Read more about our various Partner Programs and use cases and see if one is a match for your app. Applications are only accepted when we feel that they're providing value to members, developers and LinkedIn.
LINK TO PARTNERSHIP PROGRAMS:
https://developer.linkedin.com/partner-programs

Get Paypal API Credentials from SDK

I have different questions about Paypal API Credentials
Is it possible to retrieve User API credentials (Classic API Signature) for a paypal business account from code?, maybe calling a method of the PayPal SDK to access his profile?. I want to code something that checks if Merchant does not have API credentials, in case that he has them, store them in my local database for payment operations and if not, maybe redirect him to a video explaining how to do this.
Are those credentials different for each merchant account?
Is there a way to have the same credentials for different users using classic API?. I know Rest API Allows to do this (with client id and secret), but it does not allow me to do embedded payments, so that's why I'm using the classic API.
Thanks a lot
You can't do that. The API doesn't have anything like that. Either you need to post API calls using their API credentials or have them authorize your API username to run calls on their behald (where you pass their primary email address in the API calls).

Use Service account with Google API like youtube, picasa in web asp.net mvc 4 / JavaScript

I come in order to have some information about Google API and particularly the authentication "Service account"
I have the same problem that this guy is having, and although that concerns another API, he explains the problem very well.
For a few days now I have already read some articles:
Google dev
DrEdit for .Net
C# sample
I have already registered for a Google API account and I am using the Client Key and Secret that was provided to me. I then downloaded the following libraries:
google-api-dotnet-client-1.2.4737-beta.source.zip
youtube-api-samples
google-youtube-v3-rev35-csharp-1.2.0-beta
Nothing has helped me so far...
I would like to know if Picasa web and the Youtube API v2 or v3 can use oAuth2.0 Service account as I am not able to find anything about that. I am currently using Picasa Web oAuthv1.0 and I found it really easy to use but I would like to migrate to Google Youtube API v3/Picasa web API.
The basic workflow idea:
Private Pictures and videos are created specifically for a web site.
Users will log into the site (it isn't a Google users) and see pictures and videos -> All users that successfully log into the site have access to all youtube videos and picasa pictures and this medias are private in Google
The only example I've found anywhere that shows how to use authentication was in a ASP.NET MVC project that unfortunately requires user interaction and i don't want that.
Can someone please me on this? Does anyone has a piece of code written in Javascript or C# for connecting to the API with Service account or is it better for now to authenticate with oAuthv1.0? Any help will be highly appreciated!!
Take a look in Which Google APIs can be accessed with service account authorization? it contains a list of all APIs which support service account.
As far as I know, Picasa and Youtube don't support service account.
Based on the article posted by peleyal, it is my intepretation that YouTube should support the service account. In the answer on the related article, it states "All Google APIs that supports OAuth 2.0 should work with Service Accounts".
Assuming YouTube is a Google API, it also should work.
I'm not 100% confident in that answer unfortunately, because I have seen documentation elsewhere that says Service Accounts: "Several Google APIs act on behalf of an application and do not access user information." https://developers.google.com/accounts/docs/OAuth2#serviceaccount
Does accessing the YouTube APIs constitute "user information"? The answer to that question is the reason I'm not 100% confident without trying it. An expensive time proposition.