SERVICE

card-transaction-intelligence

Xynaptic Card Transaction Intelligence — bring the card transactions (with merchant + country when available): we detect fraud patterns — impossible geo-velocity, small-amount card testing, amount vs history outliers, CNP patterns. POST body: { transactions: [{date, amount, merchant?, country?, channel?}], cardholder_country?: FR }. Each flag has a severity; informational only.

$0.02 per call · /v1/card-transaction-intelligence

Call it

curl -s https://api.xynaptic.io/v1/card-transaction-intelligence \
  -H "Accept: application/json"

# -> 402 Payment Required (x402 challenge: price, payTo, networks)
# -> sign the payment, retry with PAYMENT-SIGNATURE -> 200

What you get back

{
  "service": "card-transaction-intelligence",
  "transactions": [
    {
      "date": "2026-09-01",
      "amount": 1
    },
    {
      "date": "2026-09-01",
      "amount": 1.5
    }
  ],
  "flags": [
    {
      "type": "card_testing",
      "severity": "critical"
    }
  ],
  "summary": "1 flag: testing pattern detected."
}