FlowRelay

FlowRelay for Shopify Flow

Reliable external events into Shopify Flow.

FlowRelay gives Shopify operators a governed event front door: authenticated JSON intake, normalized Flow handoff, 30-day event history, replay, and support-safe diagnostics.

View launch pricing See reliability scope
Receipt Delivered
Source
WMS order update
Trigger
External order event
Auth
HMAC verified
Outcome
Handed to Shopify Flow

Delivered means FlowRelay handed the trigger to Shopify Flow. Downstream Flow actions remain inside Shopify.

The narrow job FlowRelay owns

Keep business workflows native to Shopify Flow while making the inbound event boundary observable, replayable, and supportable.

1

Create an endpoint

Choose a semantic Shopify Flow trigger, auth mode, source label, and simple payload mappings.

2

Send signed JSON

Outside systems send events to a FlowRelay URL using HMAC-SHA256 or a static header secret.

3

Start Shopify Flow

FlowRelay validates and normalizes the event, then attempts the app-built Flow trigger handoff.

4

Keep the receipt

Operators get searchable 30-day history, stable outcomes, replay context, and redacted diagnostics.

Built for recoverable operations

FlowRelay is not a workflow builder or generic iPaaS. It is the reliable event intake layer for Shopify Flow: the place to prove what arrived, what passed auth, which endpoint config was active, and what recovery action is available.