---
title: "Settlement Efficiency Rate Calculator & AST Benchmark"
method: POST
path: "/v1/tools/370_settlement_efficiency_rate_calculator"
---

# Settlement Efficiency Rate Calculator & AST Benchmark

`POST /v1/tools/370_settlement_efficiency_rate_calculator`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/370_settlement_efficiency_rate_calculator`
- Auth: none declared

Calculate your firm's Settlement Efficiency Rate (SER) by fail cause, benchmark against the UK AST target of 98% by value, and map the improvement trajectory to July-September 2027. Client-side. Zero PII.

**Tool URL:** https://ainumbers.co/tools/370-settlement-efficiency-rate-calculator.html
**AP2/Policy Mandate export:** yes

## Request body

- object

## Response `200`

Successful tool execution result

- object

---

[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)