Real-time circuit breaker for automated transfers, disbursements, and loan payouts in fintech operations.
This page is for VP Engineering, Heads of Risk, and Operations Leads at fintech companies that run automated outbound payment flows — disbursements, loan payouts, wallet transfers, vendor payments, or any programmatic movement of funds.
If your team is responsible for systems that move money automatically — and your main concern is operational error containment and financial exposure control — this is relevant.
For product fundamentals (what RCL is, how rules work, how shadow mode operates), see Docs. This page covers how RCL applies specifically to fintech operations.
| Risk class | What happens | Blast radius |
|---|---|---|
| Duplicate payment bug | A code defect or race condition causes the same disbursement to execute multiple times | Loss doubles with every duplicate; cascades until the bug is caught |
| Velocity anomaly from system error | An upstream system sends a flood of payment requests due to a queue retry loop or batch processing error | Cumulative exposure grows every second; no natural stopping point without a circuit breaker |
| Daily exposure creep | Individual transactions are normal, but a single recipient accumulates far more than expected over the day | Not visible in per-transaction checks; only shows up in daily reconciliation |
| New recipient anomaly | A recently added recipient (vendor, borrower, user) receives disproportionate volume with no historical baseline | No benchmark to compare against; manual detection is unreliable |
RCL does not detect the intent behind these risks. It limits blast radius by flagging anomalies in amount, velocity, and daily exposure before money moves.
Payment authorized RCL evaluates Transfer executes
[Your Application] ──→ [ Froddy RCL ] ──→ [Banking API / Ledger]
evaluates in ms
allow / hold / block
RCL sits between your application layer (after the payment is authorized by business logic) and the banking API, ledger entry, or wallet transfer. One API call before each outbound payment. In shadow mode, your payment flow continues uninterrupted — RCL observes and logs.
Anomalous single disbursement. A loan payout of $95,000 is triggered for a borrower whose approved amount is $15,000 — a potential data error or calculation bug. → Caught by: R-COHORT (single transaction anomaly)
Duplicate payment cascade. A retry loop generates 40 identical $500 transfers to the same recipient in 20 minutes. → Caught by: R-VEL (velocity spike)
Daily exposure concentration. A vendor who normally receives $5,000/day accumulates $60,000 in automated payments by mid-afternoon — no one notices until end-of-day reconciliation. → Caught by: R-CEIL (daily ceiling)
New recipient, high volume immediately. A user added to the system 3 days ago has already received $30,000 in transfers, while the median for established users is $2,000/week. → Caught by: R-CEIL (daily ceiling)
Wallet drain pattern. A compromised account submits rapid small withdrawals — 25 transfers of $200 each within one hour — attempting to drain funds before detection. → Caught by: R-VEL (velocity spike)
These are starting points — shadow mode exists to validate them against your actual traffic.
| Rule | Parameter | Suggested start | Why |
|---|---|---|---|
| R-COHORT | hold_usd |
$25,000 | Above typical single disbursement; adjust to your product's transaction profile |
| R-COHORT | block_usd |
$100,000 | Safety net for clearly anomalous amounts |
| R-CEIL | daily_ceiling_usd |
$50,000 | Reasonable daily cap per recipient; override for high-volume vendors |
| R-VEL | max_count / window |
15 txns / 1h | Most legitimate recipients don't receive 15+ payments per hour |
| R-DEDUP | max_entities |
4 | Less critical than CPA/iGaming; relevant if your platform routes payments from shared system accounts |
Product defaults for reference: R-COHORT hold $25K / block $100K, R-CEIL $50K, R-VEL 20/1h, R-DEDUP 3 entities. See /docs Rules Reference.
Note: Fintech is a broad category. A lending platform, a neobank, and a B2B payment automation tool have very different transaction profiles. Expect the first 2–3 days of shadow mode to require significant threshold adjustment.
Scenario A → ALLOW
Vendor_203 receives a $3,500 payment. Daily total is $12,000, well below the ceiling. One of 4 payments today — normal velocity.
Result: all rules pass → allow. Transfer proceeds normally.
Scenario B → HOLD
User_1892 receives a $28,000 disbursement — their largest to date. The hold threshold is $25,000.
Result: R-COHORT triggers → hold-for-review. In shadow mode this is logged and an alert is sent. With active enforcement (available by arrangement), the transfer would be queued for review.
Scenario C → BLOCK
A retry bug generates 35 transfers to Vendor_077 in 12 minutes. Normal rate is 2/day. The block threshold is 30 (max_count 15 × block_multiplier 2).
Result: R-VEL triggers → block. In shadow mode this is logged. With active enforcement (available by arrangement), the transfers would be stopped — the cascade is contained.
A pilot is particularly timely when:
Integration details: API Reference
entity_id (recipient ID), amount, event_id per transaction; device_hash optional (relevant for user-facing platforms)RCL is a circuit breaker for payment execution risk, not a replacement for your compliance, underwriting, or reconciliation infrastructure. See What RCL Does — and What It Doesn't.
| Resource | Link |
|---|---|
| Product documentation | froddy.io/docs |
| API reference | froddy.io/api |
| Interactive demo | froddy.io/demo |
Ready to evaluate? Request a pilot or try the demo.