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Custom Shopify apps

Custom Shopify Apps

We build private and custom Shopify apps for the workflows your store already runs on — embedded in the admin, backed by the GraphQL Admin API, and secured properly from day one.

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Overview

Apps built for your operation

When a workflow lives in spreadsheets, manual steps or an app that almost fits, a custom app closes the gap. We build private and custom apps that extend the Shopify admin and connect to the systems your team already uses.

We're engineers first. That means session-token auth, verified HMAC webhooks, sensible rate-limit handling and code your team can read — not a fragile script that breaks the next time Shopify ships an update.

Discuss your project

Fits your workflow

The app is shaped around how your team actually works, so it removes manual steps instead of adding new ones.

Secure by design

Session-token auth, HMAC-verified webhooks and least-privilege scopes are built in, not bolted on later.

Maintainable

Clean, documented code against the GraphQL Admin API so the app survives Shopify's API version cycle.

What's included

What the engagement covers

Private & custom app development
Admin extensions with App Bridge & Polaris
GraphQL Admin API integration
App proxies for storefront-facing endpoints
Session-token auth & HMAC webhook verification
Remix or React where it fits the app

Technologies

  • Shopify
  • GraphQL Admin API
  • App Bridge
  • Polaris
  • Remix
  • TypeScript
Process

How we deliver

  1. Discover & scope

    We map the workflow, the data and the Shopify scopes involved, then agree a scope with clear milestones.

  2. Build & integrate

    We build the app against the GraphQL Admin API, wire up webhooks and integrate the systems it needs to talk to.

  3. Test & harden

    We test edge cases, verify webhook signatures, handle rate limits and confirm auth holds up under real use.

  4. Ship & support

    We deploy, monitor and support the app, and keep it current as Shopify's API versions move forward.

Use cases

Where this helps most

Internal operations tool

An embedded admin app that automates a manual back-office process your team runs every day.

System integration

A custom app that syncs orders, inventory or customers between Shopify and an ERP, PIM or internal service.

Storefront logic via app proxy

A secure app-proxy endpoint that serves custom logic or data to the storefront without exposing credentials.

FAQ

Custom Shopify Apps

What's the difference between a custom and a public app?
A custom or private app is built for a single store and installed directly, without going through the App Store review. It's the right fit when the app only needs to serve your own business.
How do you keep the app secure?
We use Shopify's session-token auth for embedded apps, verify every webhook with its HMAC signature, and request only the API scopes the app actually needs.
Will the app break when Shopify updates its API?
We build against a pinned GraphQL Admin API version and track Shopify's release notes, so we can migrate deliberately before a version is deprecated rather than reacting to a broken app.
Explore more

Related services

Public Shopify AppsPublic Shopify apps built to pass review — OAuth, billing and webhooks.Private Shopify AppsCustom, single-store Shopify apps — dashboards, automation and feeds.Ecommerce IntegrationsConnect your store to ERP, POS and feeds — reliable data sync that holds up.
Let's build

Ready to start with custom shopify apps?

Tell us about your store and your goals. We'll come back with a clear, honest plan and a transparent quote.

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Custom Shopify App Development | EcomLabs