---
title: LegacyInteroperability - GraphQL Admin
description: >-
  Interoperability metadata for types that directly correspond to a REST Admin
  API resource.

  For example, on the Product type, LegacyInteroperability returns metadata for

  the corresponding [Product

  object](https://shopify.dev/api/admin-graphql/latest/objects/product) in the

  REST Admin API.
api_version: 2026-10
source_url:
  html: >-
    https://shopify.dev/docs/api/admin-graphql/latest/interfaces/LegacyInteroperability
  md: >-
    https://shopify.dev/docs/api/admin-graphql/latest/interfaces/LegacyInteroperability.md
api_name: admin
api_type: graphql
type: interface
---

# Legacy​Interoperability

interface

Interoperability metadata for types that directly correspond to a REST Admin API resource. For example, on the Product type, LegacyInteroperability returns metadata for the corresponding [Product object](https://shopify.dev/api/admin-graphql/latest/objects/product) in the REST Admin API.

## Fields

* legacy​Resource​Id

  [Unsigned​Int64!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/UnsignedInt64)

  non-null

  The ID of the corresponding resource in the REST Admin API.

***

##### Variables

```json
{
	"legacyResourceId": ""
}
```

##### Schema

```graphql
interface LegacyInteroperability {
  legacyResourceId: UnsignedInt64!
}
```