---
title: "Update Bill Split"
method: PATCH
path: "/api/banking/bill-splits/{split_id}"
tags: ["Banking"]
---

# Update Bill Split

`PATCH /api/banking/bill-splits/{split_id}`

## Request

- Base URL: `https://api.earmarkiq.app` (the document declares no server; this is the origin it was published from)
- URL: `https://api.earmarkiq.app/api/banking/bill-splits/{split_id}`
- Auth: HTTP bearer

Update a bill split's percentage or label.

## Path parameters

- `split_id` string, uuid, required

## Request body

- BillSplitUpdateRequest
  - `user_share_pct` integer, nullable
  - `label` string, nullable

## Response `200`

Successful Response

- BillSplitResponse
  - `id` string, required
  - `merchant_name` string, required
  - `user_share_pct` integer, required
  - `label` string, nullable, required
  - `created_at` string, required
  - `updated_at` string, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/earmarkiq/apis/earmark-api.md) · [All operations](https://skmtc.dev/earmarkiq/apis/earmark-api/llms.txt) · [OpenAPI document](https://skmtc.dev/earmarkiq/apis/earmark-api/revisions/4a2c41907105?raw)