FINANCE

Re-approval routing when a new invoice's FX drift exceeds tolerance

When an invoice is finalized in a foreign currency, recomputes the booked amount against the live rate and, if the variance breaches policy, opens a re-approval task and writes…

CategoryFinance
Enginesim
Difficultyintermediate
Triggerwebhook
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerInvoice finalized webhookHTTP webhook
  • ActionRecompute amount at live FX rateStripeStripe
  • LogicBranch on variance vs policy tolerance
  • ActionOpen re-approval task for controllerAirtableAirtable
  • OutputStream FX exception to BigQueryGoogle BigQueryBigQuery

What it does

At the moment a foreign invoice is issued, it checks whether the FX rate used to book it has moved far enough from the live rate to require human sign-off. Within-tolerance invoices pass straight through; out-of-tolerance ones are halted and routed for re-approval, with the exception logged for analytics.

When to use it

Use this when invoices are sometimes created with stale or quoted rates and you need a control that catches material mispricing at issue time rather than at reconciliation. Good for teams enforcing an FX variance policy with an audit trail.

How it works

  1. 1A webhook fires when an invoice is finalized in a non-base currency.
  2. 2The flow recomputes the home-currency amount at the live rate and measures variance against the booked rate.
  3. 3A decision branch checks the variance against the policy tolerance.
  4. 4If within tolerance, the invoice is auto-confirmed and the run ends.
  5. 5If over tolerance, an Airtable re-approval task is created and assigned to the controller.
  6. 6The exception record is streamed to BigQuery for variance reporting.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect StripeCustomers, subscriptions, payments.
  2. 2
    Connect AirtableBases, tables, views, automations.
  3. 3
    Connect BigQueryDatasets, queries, schemas.
  4. 4
    Connect HTTP webhookTrigger any URL on agent actions.
  5. 5
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  6. 6
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  7. 7
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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