Wholesale Collection Gate

I'd build a three-layer gate: first, a Liquid tag check on the collection template itself that throws a 404 for anyone without the b2b tag trying to access restricted handles; second, hide those collections from navigation and search results for retail eyes only; third, a verification workflow in Shopify Flow to tag qualifying customers automatically or flag them for staff review. The key is that the 404 is the enforcement layer — the nav hiding is just UX polish.

A wholesale-focused DTC on a standard Plus or higher plan needed to completely hide B2B collections from retail customers. Rather than redirecting or showing a generic message, non-verified accounts should encounter a 404 page, while tagged B2B accounts see the collections normally.

Four pieces

Storefront

Collection Tag Gate

Checks if the logged-in customer has the b2b tag; if not, renders a 404 page instead of the collection.

Theme collection template + Liquid

theme/templates/collection.json (or theme/snippets/collection-gate.liquid called early in the template) liquid

{% assign customer_is_b2b = false %}
{% if customer %}
  {% if customer.tags contains 'b2b' %}
    {% assign customer_is_b2b = true %}
  {% endif %}
{% endif %}

{% if collection.handle == 'wholesale' or collection.handle == 'b2b-only' %}
  {% unless customer_is_b2b %}
    {% assign request.page_type = 'notfound' %}
    {% render 'page-not-found' %}
  {% endunless %}
{% endif %}

{% if customer_is_b2b %}
  <!-- Render normal collection template -->
  <div class="collection">
    <h1>{{ collection.title }}</h1>
    <!-- Your existing collection content here -->
  </div>
{% endif %}

Replace 'wholesale' and 'b2b-only' with your actual collection handles. The tag name 'b2b' must match the tag you assign to B2B customer records in the Shopify admin.

B2B / Wholesale

B2B Customer Tag Sync

Automatically tags customers in Shopify when they sign up through your B2B company portal or are manually approved.

Custom Shopify app + admin dashboard

Admin GraphQL explorer graphql

# Admin GraphQL
mutation TagB2BCustomer($customerId: ID!, $tags: [String!]!) {
  customerUpdate(input: { id: $customerId, tags: $tags }) {
    customer {
      id
      email
      tags
    }
    userErrors {
      field
      message
    }
  }
}

# Variables example:
# {
#   "customerId": "gid://shopify/Customer/123456",
#   "tags": ["b2b"]
# }

Tags passed as an array replace existing tags entirely; to append without removing others, fetch the customer's current tags first, merge, then update.

Storefront

Search & Nav Blackout

Removes wholesale collections from search results and main navigation menus for retail customers; B2B accounts see them normally.

Theme snippets + Liquid conditionals

theme/snippets/main-nav.liquid (or your header/navigation snippet) liquid

{% assign show_wholesale_nav = false %}
{% if customer and customer.tags contains 'b2b' %}
  {% assign show_wholesale_nav = true %}
{% endif %}

<!-- In your navigation or menu loop: -->
{% for link in linklists.main-menu.links %}
  {% assign is_wholesale_collection = false %}
  {% if link.type == 'collection_link' %}
    {% if link.object.handle == 'wholesale' or link.object.handle == 'b2b-only' %}
      {% assign is_wholesale_collection = true %}
    {% endif %}
  {% endif %}
  
  {% unless is_wholesale_collection and show_wholesale_nav == false %}
    <li><a href="{{ link.url }}">{{ link.title }}</a></li>
  {% endunless %}
{% endfor %}

Adjust the collection handle list to match your wholesale collections. This hides links but does not prevent direct URL access — rely on the Collection Tag Gate for that enforcement.

Operations

B2B Verification Workflow

A manual or automated process to review and tag new accounts as B2B within the Shopify admin, so they unlock collection access immediately.

Shopify Flow + admin custom columns

Shopify Flow editor: When → Then flow

Trigger: Customer created or updated (by staff in admin)
Condition: Customer.email contains specific domain (e.g., @yourb2bpartner.com) OR customer added to a specific group/tag
Then: Tag customer with "b2b"
Alternative: Trigger a Shopify admin notification for manual review → Staff reviews → Tags customer in admin directly

For semi-automated: Trigger on order > X value from new customer → Assign "b2b" tag → Send approval email to staff.

Pure automation (domain-based tagging) is fast but may mis-tag. Manual review is slower but safer. Hybrid (threshold-based notification) balances both.

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