INVOICE PROCESSING
Nightly Three-Way Reconciliation Sweep in Snowflake
Runs every night to reconcile the day's received invoices against PO and receipt records in Snowflake, classifies each into clean, price-variance, or quantity-variance buckets.
How it runs
The automated pipeline, trigger to output.
- TriggerNightly schedule fires the reconciliation sweep
- ActionPull day's invoices, POs, and receipts from SnowflakeSnowflake
- LogicBucket each line: clean, price var, qty var, no-receipt
- ActionWrite disposition tags to Snowflake results tableSnowflake
- OutputPost bucketed summary and detail to SlackSlack
What it does
Processes the entire day's invoices in one scheduled batch instead of one at a time. It pulls unmatched invoices, PO lines, and receipts from Snowflake, runs the three-way comparison across the whole set, and tags every invoice with a clear disposition so the AP team starts each morning with a triaged worklist.
When to use it
Use this when invoice volume is high enough that real-time matching is noisy, and your invoices, POs, and receipts are already warehoused in Snowflake. Great for a morning standup that needs yesterday's exception totals.
How it works
- 1A nightly schedule triggers the sweep.
- 2Snowflake returns the day's pending invoice lines joined to their POs and receipts.
- 3A logic step buckets each line as clean match, price variance, quantity variance, or no-receipt.
- 4Disposition tags are written back to a reconciliation results table in Snowflake.
- 5A summary with counts and total variance dollars per bucket is posted to Slack.
- 6The detailed exception list is delivered to the AP channel as a threaded breakdown.
Set it up
What you configure once, before turning it on.
- 1Connect SnowflakeWarehouses, queries, shares.
- 2Connect SlackChannels, DMs, threads, mentions.
- 3Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
- 4Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
- 5Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.
More Invoice Processing workflows
Catch duplicate invoices as they hit your AP inbox
Watches your accounts-payable Gmail inbox for incoming invoice emails, fingerprints each one, and routes likely duplicates to a review label instead of into the approval queue.
Gate invoice approvals on a duplicate cross-check
When an approver clicks Approve in your AP system, a webhook re-validates the invoice against paid history in Postgres and Stripe charges.
Nightly audit that flags duplicate payments already made
Runs every night to scan the last 90 days of Stripe payments against your Postgres invoice ledger.
Block duplicate Stripe payouts before they send
When a new vendor invoice is queued for payment in Stripe, cross-check it against your paid-invoice history in Postgres and halt any payout that matches an already-paid invoice.
Agent that codes Front invoices to GL accounts and drafts a bill
An agent reads each Front vendor invoice, assigns GL account codes per line item using your chart of accounts and past coding history.
Detect duplicate Front invoices and archive originals to S3
Parses each Front vendor invoice, checks it against a history table for duplicates, archives the source PDF to S3 with a normalized key, and alerts AP when a duplicate is caught.
Run it inside a business
This workflow drops into a full company template. Import the org, and this is one of the playbooks its agents run.

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