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Fraud scoring API

Stop the fraud ring, not the customer

Tallyguard scores every payment, signup and payout against the network of accounts around it — and explains each decision your analysts need to defend.

Inline, not after the fact

A decision before the payment settles

Where the time goes in a single scoring call, relative to the whole request.

Before → After, trending down
Receive eventEnrich device & accountGraph lookupScore & explain

Platform

Everything a risk team runs on

Linked-account graph

Shared devices, cards and addresses connect accounts that look unrelated on their own.

Reason codes

Every score comes with the signals behind it, in words.

Rules next to models

Write hard rules for policy; let the model handle the rest.

Case queue

Borderline events go to analysts with the evidence already gathered.

Feedback loop

Chargebacks and analyst decisions retrain your tenant's model.

Developers

One call at checkout

Send the event, get a decision and the reasons behind it.

curl https://api.tallyguard.dev/v1/score \
  -H "Authorization: Bearer $TG_KEY" \
  -d event=payment -d amount=12900 \
  -d account=acct_219 -d device=dev_7f2

Pricing

Pay per scored event

Estimated bill$160.00/moGrowth rate
50k events / mo
02M+
  • Free events

    Free

  • Growth

    $0.004/unit

  • Scale

    $0.0025/unit

  • Volume

    $0.0015/unit

FAQ

Questions from risk and engineering

Type a word and the list narrows in real time — no page reload, no dead ends.

Start in sandbox

Score your first event in a minute

Sandbox keys are free and never touch live money.

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Read the docs
Tallyguard

Fraud scoring for payments, signups and payouts.

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