Shopify apps & integrations.

Private apps, public apps, checkout extensions, Shopify Functions, and ERP/3PL/CRM pipes — built where Shopify's defaults stop and your business logic begins. TypeScript-first, Polaris-compliant, and battle-tested at Plus scale.

webhook.tsshop.tsfn.rs

// orders/paid webhook
export async function action({ request }) {
  const { shop, payload } = await authenticate(request);
  await queue.add("sync-order", {
    shop, orderId: payload.id,
  });
  return 200;
}

Merchant dashboard Live

98.7%

1.2k/s

0 err

RemixApp framework

FunctionsCheckout / discount

GraphQLAdmin + Storefront

SOC-2Ready infra

  1. Private & custom apps

    Internal tools, ops dashboards, merchandising utilities — scoped to one store, deployed on your infra or ours. Polaris UI, Remix backend, no shortcuts.

    RemixPolarisTypeScript

  2. Public Shopify App Store apps

    Launch-ready App Store submissions with billing (recurring + usage), partner listing, review flow, and support tooling. We've shipped apps that passed review on the first submit.

    Billing APIReview-readyListings

  3. Checkout extensions

    Upsells, custom fields, validation logic, delivery rules — built on Shopify's new Checkout Extensibility, not the deprecated Scripts.

    UI ExtensionsFunctionsPost-purchase

  4. Shopify Functions

    Custom discount logic, delivery customizations, payment customizations — compiled to WebAssembly, executed on Shopify's edge, zero middleware latency.

    Rust / ASWasmEdge

  5. ERP / OMS / 3PL integrations

    NetSuite, SAP, Shiphero, ShipStation, Odoo, Microsoft Dynamics — bi-directional sync with replay, retries, dead-letter queues, and full observability.

    Bi-directionalEvent-drivenObservable

  6. Webhooks & event infrastructure

    Idempotent consumers, retries with backoff, dead-letter queues, audit trails. The boring stuff that keeps Plus brands online during peak traffic.

    BullMQPostgresOpenTelemetry

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