FINANCE

Catch first-time merchant charges that skip normal vendors

Detects when a department's card hits a merchant it has never used before, checks the charge against the department's envelope headroom in Snowflake.

CategoryFinance
Enginesim
Difficultyintermediate
Triggerwebhook
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerStripe card charge postedStripeStripe
  • ActionCheck merchant history + envelope headroom in SnowflakeSnowflakeSnowflake
  • LogicPass only first-time merchants for the department
  • ActionLook up merchant category and legitimacy contextBraveBrave Search
  • OutputPost new-vendor charge to Teams review channelMicrosoft Teams

What it does

Most off-pattern spend is not a huge number, it is a charge at a merchant the department has never used. This workflow flags first-time-merchant charges, the classic signal for a misrouted card, a rogue subscription, or a fraud probe, and brings them to a human with the context needed to clear or escalate.

When to use it

Use it when your anomaly rules based on amount alone miss the small-but-novel charges. It is ideal for teams with a stable approved-vendor list per department who want eyes on anything outside it.

How it works

  1. 1A Stripe webhook fires on each new card charge.
  2. 2The workflow queries Snowflake to check whether this department has ever charged this merchant before and how much envelope headroom remains this month.
  3. 3A logic step passes through only first-time merchants for that department.
  4. 4An enrichment step does a quick web lookup on the merchant name to add category and legitimacy context.
  5. 5The charge posts to a Microsoft Teams review channel with the merchant context, department, and remaining envelope so a reviewer can approve or escalate.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect StripeCustomers, subscriptions, payments.
  2. 2
    Connect SnowflakeWarehouses, queries, shares.
  3. 3
    Connect Brave SearchWeb, news, image, video search.
  4. 4
    Connect Microsoft TeamsChannels, chats, files.
  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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