---
title: "Preview a transformation against an existing entity"
method: GET
path: "/organizations/{orgId}/integrationtransformations/systems"
tags: ["IntegrationTransformations"]
---

# Preview a transformation against an existing entity

`GET /organizations/{orgId}/integrationtransformations/systems`

## Request

- Base URL: `https://api.m3ter.com`
- URL: `https://api.m3ter.com/organizations/{orgId}/integrationtransformations/systems`
- Auth: OAuth 2
  - Authorization code: `https://m3ter.auth.us-east-1.amazoncognito.com/oauth2/authorize`, token URL `https://m3ter.auth.us-east-1.amazoncognito.com/oauth2/token`
  - Client credentials, token URL `/oauth/token`
- TypeScript: <https://skmtc.dev/m3ter-com/apis/m3ter-api/docs/organizations/:orgId/integrationtransformations/systems/get.ts> (a function with typed inputs; its response is checked against the schema)

Create a new transformation

## Path parameters

- `orgId` string, required

## Response `200`

Return the list of supported systems

- SupportedSystemsResponse: List of supported systems
  - `systems` SystemResponse[], required
    - `identifier` string: System name
    - `displayName` string: User friendly display name
    - `validationSupported` boolean: Whether or not m3ter supports validation of requests for this system. Requests will need to made without validation
    - `supportedAuthTypes` AuthType[]: List of supported auth types

## Other responses

- `4XX`: Error message
- `5XX`: Error message

## Changes

- **2026-10-16** `85c514abc692`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/m3ter-com/apis/m3ter-api/changes/organizations/:orgId/integrationtransformations/systems/get.md)

---

[API](https://skmtc.dev/m3ter-com/apis/m3ter-api.md) - [All operations](https://skmtc.dev/m3ter-com/apis/m3ter-api/llms.txt) - [OpenAPI document](https://skmtc.dev/m3ter-com/apis/m3ter-api/revisions/85c514abc692?raw)