---
title: "Upsert Transaction Cost"
method: PUT
path: "/expenses/transaction_costs"
---

# Upsert Transaction Cost

`PUT /expenses/transaction_costs`

## Headers

- `Authorization` string, nullable
- `X-User-Id` string, nullable

## Cookies

- `session_id` string, nullable

## Request body

- TransactionCostInput
  - `datasource_id` integer, required
  - `payment_method` string, required
  - `rate` number
  - `flat_fee` number
  - `currency` string, required

## Response `200`

Successful Response

- TransactionCostSchema
  - `id` integer, required
  - `datasource_id` integer, required
  - `payment_method` string, required
  - `rate` number, required
  - `flat_fee` number, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/runconverge/apis/fastapi.md) · [All operations](https://skmtc.dev/runconverge/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/runconverge/fastapi/revisions/1452e350bd1d/schema)