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Shopify

Walmart Delegated Access to OAuth 2.0 Migration Kit for Shopify Integrations

(source code)

Inventory legacy Walmart authentication, wire App Store OAuth 2.0 seller authorization, persist encrypted refresh tokens, verify scopes, and cut over one seller at a time without dual writes.

£149 · Instant download

Shopify · Integration · TypeScript · Shopify · Walmart Marketplace OAuth 2.0

Stack
Node.js 22.12+ · Framework-neutral (minimal Node server example included) · Walmart Marketplace US OAuth 2.0 (App Store authorization-code flow)
Version
Version 0.1.0.0 · 9 Sept 2026
scanner/

Legacy scan

Inventory Walmart auth surfaces without modifying source or printing secrets.

  • scanDirectory()
  • fixtures/legacy-auth/
oauth/ + tokens/

OAuth lifecycle

App Store handoff, callback validation, token exchange, and encrypted persistence.

  • beginAuthorization()
  • handleCallback()
  • WalmartTokenClient
migration/

Migration control

Per-seller state, dispatcher routing, scope checks, cutover, and rollback.

  • WalmartAuthDispatcher.dispatch()
  • approveCutover()

Description

Replace expiring Walmart Delegated Access credentials with a tested OAuth 2.0 seller-connection flow, secure token lifecycle, and controlled migration path for custom Shopify integrations. Approved Walmart Solution Providers and agencies maintaining custom Node.js/TypeScript Shopify-to-Walmart middleware that still uses Delegated Access credentials.

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