Your Client ID and Client Secret are issued after completing the Technical and Marketing details (Step 3 below) — you do not need to publish to the Walmart App Store to initiate the OAuth flow from your own app via Nango.
Register your application
- Go to the Solution Provider Center and start a new app.
- Select Solution Provider (API access) as the listing type.
- Select the App Category that matches your integration (for example, Shipping or Inventory).
Complete app registration details
3a — App general information
- App name and description: visible to sellers on the Seller Center App Store.
- App contact email: Walmart uses this to contact you about progress, issues, or updates.
- App Callback / Redirect URL: set this to
https://api.nango.dev/oauth/callback - App Login URL: the authorization page shown after a seller clicks Connect.
- Client URL: your app’s website, not the OAuth redirect URL.
- API Scopes: the selected scopes are shown in the data privacy notice on the seller authorization page.
- Visual assets: one square logo (SVG or PNG, 1 MB max) and at least one 1920×400px banner image (PNG, JPG, or MP4, 5 MB max per image).
- App information: detailed description (200 char limit) and up to 5 core service bullet points.
- Pricing: pricing information and any trial or promotion details.
- Contact: phone, email, and website for seller support.
Get your credentials
After completing the technical and marketing details:
- Return to your app in the Solution Provider Center.
- Copy your Client ID and Client Secret — you will need these when configuring the integration in Nango.
Next
Follow the Quickstart to connect your first account.
Publishing to the Walmart App Store (submitting for review, demo calls, and App Store listing) is only required if you want Walmart sellers to discover and connect your app through Seller Center.