---
title: "Get Sync Source"
method: GET
path: "/api/connections/{id}/modelsync/source"
tags: ["Model Sync"]
---

# Get Sync Source

`GET /api/connections/{id}/modelsync/source`

Describes the source configuration available on a connection for use as a model sync source.

Use this endpoint before creating a model to understand what configuration is
available. Once you have a configuration, resolve the fields available for
sync mapping with
[`GET /api/connections/{id}/modelsync/source/fields`](../../../../../api-reference/model-sync/get-source-fields).

## Path parameters

- `id` string, uuid, required — Unique identifier of the connection.

## Query parameters

- `params` object — Query parameters used to incrementally refine a dependent source configuration. Keys correspond to configuration fields returned by previous calls to this endpoint.

## Headers

- `X-Polytomic-Version` string

## Response `200`

OK

- GetSyncSourceMetaEnvelope
  - `data` SyncSourceMetaResponse
    - `configuration` object — Additional configuration fields available for this source, keyed by field name.
    - `items` object, nullable — Map of configuration item name to its metadata (available values, required-one-of groups).
    - `requires_one_of` string[], nullable — Configuration items where exactly one must be selected by the caller.

## Other responses

- `400` — Bad Request
- `403` — Forbidden
- `404` — Not Found
- `500` — Internal Server Error

---

[API](https://skmtc.net/polytomic/apis/polytomic-api.md) · [All operations](https://skmtc.net/polytomic/apis/polytomic-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/polytomic/polytomic-api/versions/5e9bcd4cfb2d/schema)