---
title: "CASS 15 Daily Safeguarding Reconciliation Calculator"
method: POST
path: "/v1/tools/calculate_cass15_safeguarding_reconciliation"
tags: ["CASS 15", "safeguarding", "reconciliation", "FCA", "e-money", "payment institutions", "PS25/12"]
---

# CASS 15 Daily Safeguarding Reconciliation Calculator

`POST /v1/tools/calculate_cass15_safeguarding_reconciliation`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/calculate_cass15_safeguarding_reconciliation`
- Auth: none declared

Computes the CASS 15.8 internal and external safeguarding reconciliation for a UK payments/e-money firm: per-customer build-up floored at zero (15.8.31R), unallocated funds included in the requirement, safeguarding resource by component (15.8.26R), shortfall/excess verdict per currency, and same-day rectification note (15.8.50R). Client-side. Works offline. Zero PII.

**Tool URL:** https://ainumbers.co/tools/634-cass15-safeguarding-reconciliation-calc.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `asOfDate` string
  - `tolerance` string

## Response `200`

Successful tool execution result

- object
  - `perCurrency` unknown[]: Per-currency requirement, resource, difference and verdict
    - unknown

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)