diff --git a/.changeset/flat-countries-clap.md b/.changeset/flat-countries-clap.md
index ccd779a2b5..9c962b04a3 100644
--- a/.changeset/flat-countries-clap.md
+++ b/.changeset/flat-countries-clap.md
@@ -2,4 +2,4 @@
 '@backstage/repo-tools': minor
 ---
 
-Adds 2 new commands `repo schema openapi check` and `package schema openapi check`. `repo schema openapi check` is intended to power a new breaking changes check on pull requests and the package level command allows plugin developers to quickly see new API breaking changes.They're intended to be used in complement with the existing `repo schema openapi verify` command to validate your OpenAPI spec against a variety of things.
+Adds 2 new commands `repo schema openapi diff` and `package schema openapi diff`. `repo schema openapi diff` is intended to power a new breaking changes check on pull requests and the package level command allows plugin developers to quickly see new API breaking changes. They're intended to be used in complement with the existing `repo schema openapi verify` command to validate your OpenAPI spec against a variety of things.
diff --git a/packages/repo-tools/src/commands/index.ts b/packages/repo-tools/src/commands/index.ts
index 3fa16aa512..83266ea9f9 100644
--- a/packages/repo-tools/src/commands/index.ts
+++ b/packages/repo-tools/src/commands/index.ts
@@ -80,12 +80,12 @@ function registerPackageCommand(program: Command) {
     );
 
   openApiCommand
-    .command('check')
+    .command('diff')
     .option('--ignore', 'Ignore linting failures and only log the results.')
     .option('--json', 'Output the results as JSON')
-    .option('--since <ref>', 'Check the API against a specific ref')
+    .option('--since <ref>', 'Diff the API against a specific ref')
     .action(
-      lazy(() => import('./package/schema/openapi/check').then(m => m.command)),
+      lazy(() => import('./package/schema/openapi/diff').then(m => m.command)),
     );
 }
 
@@ -144,17 +144,17 @@ function registerRepoCommand(program: Command) {
     );
 
   openApiCommand
-    .command('check')
+    .command('diff')
     .description(
-      'Check the repository against a specific ref, will run all package `check:api` scripts.',
+      'Diff the repository against a specific ref, will run all package `diff` scripts.',
     )
     .option(
       '--since <ref>',
-      'Check the API against a specific ref',
+      'Diff the API against a specific ref',
       'origin/master',
     )
     .action(
-      lazy(() => import('./repo/schema/openapi/check').then(m => m.command)),
+      lazy(() => import('./repo/schema/openapi/diff').then(m => m.command)),
     );
 }
 
diff --git a/packages/repo-tools/src/commands/package/schema/openapi/check.ts b/packages/repo-tools/src/commands/package/schema/openapi/diff.ts
similarity index 100%
rename from packages/repo-tools/src/commands/package/schema/openapi/check.ts
rename to packages/repo-tools/src/commands/package/schema/openapi/diff.ts
diff --git a/packages/repo-tools/src/commands/repo/schema/openapi/check.ts b/packages/repo-tools/src/commands/repo/schema/openapi/diff.ts
similarity index 90%
rename from packages/repo-tools/src/commands/repo/schema/openapi/check.ts
rename to packages/repo-tools/src/commands/repo/schema/openapi/diff.ts
index 95bd4dffed..02f3db0c43 100644
--- a/packages/repo-tools/src/commands/repo/schema/openapi/check.ts
+++ b/packages/repo-tools/src/commands/repo/schema/openapi/diff.ts
@@ -54,9 +54,7 @@ export async function command(opts: OptionValues) {
     );
   }
 
-  const checkablePackages = packages.filter(
-    e => e.packageJson.scripts?.['check:api'],
-  );
+  const checkablePackages = packages.filter(e => e.packageJson.scripts?.diff);
 
   try {
     const outputs = {
@@ -70,7 +68,7 @@ export async function command(opts: OptionValues) {
       const sinceCommands = since ? ['--since', since] : [];
       const { stdout } = await exec(
         'yarn',
-        ['check:api', '--ignore', '--json', ...sinceCommands],
+        ['diff', '--ignore', '--json', ...sinceCommands],
         {
           cwd: pkg.dir,
         },
@@ -81,12 +79,10 @@ export async function command(opts: OptionValues) {
       outputs.noop.push(...(result.noop ?? []));
     }
 
-    for (const pkg of packages.filter(
-      e => !e.packageJson.scripts?.['check:api'],
-    )) {
+    for (const pkg of packages.filter(e => !e.packageJson.scripts?.diff)) {
       outputs.warning?.push({
         apiName: `${pkg.dir}/`,
-        warning: 'No check:api script found in package.json',
+        warning: 'No diff script found in package.json',
       });
     }
 
diff --git a/plugins/catalog-backend/package.json b/plugins/catalog-backend/package.json
index 058b9318d7..04a7778926 100644
--- a/plugins/catalog-backend/package.json
+++ b/plugins/catalog-backend/package.json
@@ -42,8 +42,8 @@
   ],
   "scripts": {
     "build": "backstage-cli package build",
-    "check:api": "backstage-repo-tools package schema openapi check",
     "clean": "backstage-cli package clean",
+    "diff": "backstage-repo-tools package schema openapi diff",
     "fuzz": "backstage-repo-tools package schema openapi fuzz --exclude-checks response_schema_conformance",
     "generate": "backstage-repo-tools package schema openapi generate --server --client-package packages/catalog-client",
     "lint": "backstage-cli package lint",