---
title: "Arc StableFX RFQ Economics Model"
method: POST
path: "/v1/tools/model_arc_stablefx_rfq"
tags: ["TODO_TAGS_REVIEW"]
---

# Arc StableFX RFQ Economics Model

`POST /v1/tools/model_arc_stablefx_rfq`

## Request

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

Quantify Herstatt risk elimination and FX spread savings from Arc StableFX 24/7 atomic PvP settlement vs non-CLS bilateral FX. Methodology: BIS (Allsopp et al. 1996) Herstatt credit cost proxy via counterparty spread. PFMI P12 atomic settlement; BIS FX Global Code P35 netting.

**Tool URL:** https://ainumbers.co/chaingraph/art-44-arc-stablefx-model.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `cls_annual_fee_usd` unknown
  - `daily_fx_volume_usd` unknown
  - `herstatt_spread_bps` unknown
  - `impl_months` unknown
  - `non_cls_bilateral_bps` unknown
  - `stablefx_fee_bps` unknown
  - `trading_days` unknown

## Response `200`

Successful tool execution result

- object
  - `verdict` string
  - `compliance_flags` string[]

---

[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)