---
title: "ACH Fraud Monitoring Procedure Builder"
method: POST
path: "/v1/tools/build_ach_fraud_monitoring_procedures"
tags: ["nacha", "ach", "fraud monitoring", "phase 2", "credit entry", "odfi", "rdfi", "originator", "tpsp", "tps", "compliance", "2026"]
---

# ACH Fraud Monitoring Procedure Builder

`POST /v1/tools/build_ach_fraud_monitoring_procedures`

## Request

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

Nacha Phase 2 (effective 2026-06-22): generates role-specific credit-entry fraud monitoring procedures, risk-based tiering worksheet, and annual-review schedule for Originators, TPSPs, TPSs, ODFIs, and RDFIs. Policy Mandate export. Zero PII.

**Tool URL:** https://ainumbers.co/tools/492-ach-fraud-monitoring-procedure-builder.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `roles` unknown[], required: ACH participant roles: Originator, TPSP, TPS, ODFI, RDFI
    - unknown
  - `volume_tier` string: Annual credit entry volume tier: low, mid, high
  - `annual_credit_volume` number: Annual credit entry dollar volume
  - `risk_appetite` string: Risk appetite: conservative, moderate, aggressive

## Response `200`

Successful tool execution result

- object
  - `required_procedures` unknown[]
    - unknown
  - `risk_tier` string
  - `review_schedule` 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)