EbayAPI question

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@Povilas_Jonikas ,

I hope you would have followed below steps. Recheck again and let me know specific error you are facing in specific step.

eBay uses OAuth 2.0 for authentication, which involves obtaining an access token to make authorized requests to their API on behalf of a user or application. Here’s a detailed explanation of the authentication process:

  1. Create an eBay Developer Account: Before you can authenticate with the eBay API, you need to sign up for an eBay Developer account if you haven’t already. This allows you to access eBay’s developer resources and create applications to obtain API credentials.
  2. Register Your Application: Once logged into the eBay Developer Program, you’ll need to register your application to obtain the necessary API credentials (App ID, Cert ID, Dev ID, and RuName). This involves providing details about your application, such as its name, description, and the API scopes it requires access to.
  3. Generate User Consent URL (RuName): As part of the application registration process, you’ll receive a RuName (Redirect URL Name), which is a unique identifier for your application. You’ll use this RuName to construct the user consent URL for obtaining user authorization.
  4. User Authorization (OAuth 2.0 Authorization Code Flow): To obtain an access token, your application needs to request authorization from the user. This typically involves redirecting the user to eBay’s authorization endpoint along with your RuName and the requested API scopes. The user will then be prompted to grant your application permission to access their eBay account data.
  5. Receive Authorization Code: After the user grants authorization, eBay redirects them back to your application’s redirect URL (specified by the RuName) with an authorization code included in the URL query parameters.
  6. Exchange Authorization Code for Access Token: Your application exchanges the authorization code received from eBay for an access token by sending a POST request to eBay’s token endpoint. This request includes the authorization code, along with your application’s credentials (App ID, Cert ID, and Dev ID) encoded in the request body.
  7. Receive Access Token: If the authorization code is valid, eBay’s token endpoint responds with an access token and optionally a refresh token. The access token is a short-lived token that your application uses to authenticate requests to the eBay API on behalf of the user.
  8. Use Access Token in API Requests: Your application includes the access token in the Authorization header of each API request to authenticate with the eBay API. The access token authorizes your application to access the specified eBay resources (based on the granted scopes) on behalf of the user.
  9. Token Refresh (Optional): Access tokens have a limited lifespan, typically ranging from minutes to hours. If your access token expires, you can use the refresh token (if provided) to obtain a new access token without requiring the user to re-authenticate.
  10. Handle Authorization Errors: Your application needs to handle cases where the user denies authorization or where there are errors during the authentication process. This may involve displaying appropriate error messages to the user or retrying the authentication flow.

By following these steps, your application can authenticate with the eBay API using OAuth 2.0 and obtain the necessary access token to make authorized requests on behalf of the user.

Thanks,
Ashok :slight_smile: