Integration Layer¶

Project: KeDevO.YardPro.Integration Type: .NET 10.0 Class Library

External API clients — eBay REST APIs and Facebook Graph API.

eBay Integration¶

EbayClient (~1200 lines, 25+ methods)¶

Authentication¶

OAuth consent URL generation, token callback, refresh token management.

Listings¶

Create, update, withdraw, bulk operations. Uses eBay Inventory API.

Orders¶

Order sync via Fulfillment API, acknowledgment.

Templates¶

Listing templates with category mappings and default values.

Categories & Conditions¶

eBay category tree browsing, item condition lookups.

Business Policies¶

Fulfillment, return, and payment policy management.

Facebook Integration¶

FacebookClient¶

Page posting with images
Engagement tracking (likes, comments, shares)
Multi-destination support (multiple pages/groups)
Graph API v21.0

Configuration¶

{
  "Ebay": {
    "ClientId": "...",
    "ClientSecret": "...",
    "RedirectUri": "...",
    "Sandbox": false
  },
  "Facebook": {
    "AppId": "...",
    "AppSecret": "..."
  }
}