How should we roll this out for production?
Use a representative event first, confirm the FlowRelay receipt and matching Shopify Flow trigger, then move live traffic with the rollback path still available.
Migration
Move a custom webhook receiver into FlowRelay.
Custom receiver code often looks cheap until the person responsible for a failed handoff has to reconstruct intent from logs, deploy history, and tribal knowledge.
Why it matters
The hidden cost is confidence, not code.
A custom receiver may already work, but the team still has to ask who owns replay, which setting was live, what changed, and how support can help without seeing secrets.
What FlowRelay adds
FlowRelay makes the handoff easier to see.
Move one event path behind a FlowRelay endpoint, keep Shopify Flow as the workflow engine, and use receipt facts to compare behavior before widening the change.
Evidence to check
Before and after responsibility table
Use the comparison to show what stops depending on memory and what becomes visible.
Before
Receiver code, deploy logs, sender retries, and developer memory carry the explanation.
That can work, but it is fragile when the original owner is unavailable.
After
Endpoint settings, receipt facts, replay context, and diagnostics are visible in FlowRelay.
The event path becomes easier for store teams and partners to understand.
Rollback
The old receiver path and owner remain named until the FlowRelay path is checked.
A reversible change lowers the perceived cost of starting.
How to start
Move receiver paths with a clear rollout.
A good migration keeps each sender, trigger, receipt, and rollback path easy to explain.
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01
Inventory the current receiver
Record the current URL, owner, sender, workflow target, volume, failure behavior, how you checked it, and rollback path.
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02
Create the matching endpoint
Match the Shopify Flow trigger family and authentication mode without changing downstream workflow logic yet.
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03
Connect the Flow trigger
Enable or check the matching Shopify Flow workflow with a harmless test action or controlled pilot branch.
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04
Send a representative event
Use a representative event to confirm authentication, mapping, Flow readiness, and the receipt your team will rely on.
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05
Open live traffic
Move production traffic when the sender, Flow trigger, owner, receipt, and rollback path are all understood.
Endpoint inventory
Some endpoint inventory is manual.
Moving an existing receiver has one unavoidable piece of work: finding the current path. FlowRelay gives you a cleaner receiver once you know which sender should use it, but it cannot automatically discover webhook URLs buried in apps, automation tools, serverless functions, middleware routes, or private repos.
- Find where the sender posts today.
- Confirm who owns the sender and current receiver.
- Keep the current receiver available until the FlowRelay receipt matches the expected event.
Questions
Common questions.
Does moving the receiver move the workflow logic?
No. FlowRelay should handle intake while Shopify Flow continues to own workflow rules and actions.