---
title: "Create Reconciliation Rule"
method: POST
path: "/reconciliation_rules"
---

# Create Reconciliation Rule

`POST /reconciliation_rules`

## Request

- Base URL: `https://app.moderntreasury.com/api`
- URL: `https://app.moderntreasury.com/api/reconciliation_rules`
- Auth: HTTP basic

Create a reconciliation_rule.

## Request body

- object
  - `name` string, required: The name of the reconciliation rule
  - `description` string, required: The description of the reconciliation rule
  - `status` 'active' | 'inactive'
  - `object_a_type` 'expected_payment' | 'transaction', required
  - `object_a_cardinality` 'one' | 'many', required
  - `object_a_grouping` string[]
  - `object_b_type` 'expected_payment' | 'transaction', required
  - `object_b_cardinality` 'one' | 'many', required
  - `object_b_grouping` string[]
  - `conditions` string, json, required: `{"value": [{"value": ..}, ..], "operator": string, "field": string }`
  - `use_net_reconciliation` boolean
  - `amount_variance_type` 'percentage' | 'fixed'
  - `amount_variance_threshold` integer
  - `amount_variance_mark_as_reconciled` boolean

## Response `201`

201

- object

## Other responses

- `400`: 400

## Changes

- **2026-11-03** `e31c6638c72e`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/modern-treasury/apis/modern-treasury-api/changes/reconciliation_rules/post.md)

---

[API](https://skmtc.dev/modern-treasury/apis/modern-treasury-api.md) - [All operations](https://skmtc.dev/modern-treasury/apis/modern-treasury-api/llms.txt) - [OpenAPI document](https://skmtc.dev/modern-treasury/apis/modern-treasury-api/revisions/e31c6638c72e?raw)