diff --git a/.github/workflows/check-ui-api-types.yml b/.github/workflows/check-ui-api-types.yml
index 597daebd720..02543d67a82 100644
--- a/.github/workflows/check-ui-api-types.yml
+++ b/.github/workflows/check-ui-api-types.yml
@@ -2,18 +2,19 @@ name: Check UI API Types Sync
 
 on:
   pull_request:
-    paths:
-      - "litellm/proxy/**"
-      - "litellm/types/**"
-      - "ui/litellm-dashboard/src/lib/http/schema.d.ts"
-      - "ui/litellm-dashboard/scripts/gen-api-types.mjs"
-      - "ui/litellm-dashboard/package.json"
-      - "ui/litellm-dashboard/package-lock.json"
-      - ".github/workflows/check-ui-api-types.yml"
+    branches:
+      - main
+      - litellm_internal_staging
+      - litellm_oss_staging
+      - "litellm_**"
 
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   check-sync:
     name: Verify schema.d.ts matches the proxy OpenAPI spec
@@ -24,18 +25,39 @@ jobs:
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
         with:
           persist-credentials: false
+          fetch-depth: 2
+
+      - name: Detect changes that can affect the generated types
+        id: changes
+        run: |
+          set -euo pipefail
+          if ! base="$(git rev-parse --verify --quiet HEAD^2 >/dev/null && git rev-parse HEAD^1)"; then
+            echo "Not a pull request merge commit, running the full check."
+            echo "relevant=true" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+          files="$(git diff --name-only "$base" HEAD)"
+          if grep -Eq '^(litellm/(proxy|types)/|ui/litellm-dashboard/(src/lib/http/schema\.d\.ts|scripts/gen-api-types\.mjs|package(-lock)?\.json)$|\.github/workflows/check-ui-api-types\.yml$)' <<< "$files"; then
+            echo "relevant=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "No proxy, types or generator changes in this pull request, nothing to verify."
+            echo "relevant=false" >> "$GITHUB_OUTPUT"
+          fi
 
       - name: Set up Python
+        if: steps.changes.outputs.relevant == 'true'
         uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: "3.12"
 
       - name: Set up uv
+        if: steps.changes.outputs.relevant == 'true'
         uses: ./.github/actions/setup-uv-with-retries
         with:
           version: "0.10.9"
 
       - name: Cache uv dependencies
+        if: steps.changes.outputs.relevant == 'true'
         uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: |
@@ -46,14 +68,17 @@ jobs:
             ${{ runner.os }}-uv-
 
       - name: Install backend dependencies
+        if: steps.changes.outputs.relevant == 'true'
         run: .github/scripts/uv_sync_with_retries.sh --frozen --group ci --group proxy-dev --extra google --extra proxy --extra semantic-router
 
       - name: Generate Prisma client
+        if: steps.changes.outputs.relevant == 'true'
         env:
           PRISMA_BINARY_CACHE_DIR: ${{ runner.temp }}/prisma-cache
         run: uv run --no-sync prisma generate --schema litellm/proxy/schema.prisma
 
       - name: Set up Node.js
+        if: steps.changes.outputs.relevant == 'true'
         uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
         with:
           node-version-file: ui/litellm-dashboard/.nvmrc
@@ -61,16 +86,19 @@ jobs:
           cache-dependency-path: ui/litellm-dashboard/package-lock.json
 
       - name: Install dashboard dependencies
+        if: steps.changes.outputs.relevant == 'true'
         working-directory: ui/litellm-dashboard
         run: npm ci
 
       - name: Regenerate types from the live spec
+        if: steps.changes.outputs.relevant == 'true'
         working-directory: ui/litellm-dashboard
         env:
           LITELLM_PYTHON: "uv run --no-sync python"
         run: npm run gen:api
 
       - name: Fail if types are stale
+        if: steps.changes.outputs.relevant == 'true'
         run: |
           if ! git diff --exit-code -- ui/litellm-dashboard/src/lib/http/schema.d.ts; then
             echo "::error file=ui/litellm-dashboard/src/lib/http/schema.d.ts::Generated API types are out of sync with the proxy OpenAPI spec."