diff --git a/.github/workflows/build-rest-api.yml b/.github/workflows/build-rest-api.yml
new file mode 100644
index 0000000..5ce1d45
--- /dev/null
+++ b/.github/workflows/build-rest-api.yml
@@ -0,0 +1,48 @@
+# SPDX-FileCopyrightText: 2026 Canonical Ltd
+# SPDX-License-Identifier: GPL-3.0-only
+
+name: Prepare the REST OpenAPI Specification
+on:
+  repository_dispatch:
+    types: [api-updated]
+
+jobs:
+  process-specification:
+    runs-on: ubuntu-latest
+    name: Bundle REST API documentation
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          repository: canonical/snapd
+          path: ./snapd
+          fetch-depth: 0
+          ref: master
+
+      - name: Check Licensing/Copyright Compliance
+        uses: docker://fsfe/reuse
+        with:
+          entrypoint: /bin/sh
+          args: -c "cd docs/api && reuse lint"
+
+      - name: Lint API specification
+        uses: docker://redocly/cli
+        with:
+          args: lint ./docs/api/openapi.yaml
+
+      - name: Bundle OpenAPI to JSON
+        uses: docker://redocly/cli
+        with:
+          args: bundle ./docs/api/openapi.yaml --output ./docs/api/openapi.json --ext json
+
+      - name: Store generated JSON artifact
+        uses: actions/upload-artifact@v6
+        with:
+          name: openapi-spec
+          path: docs/api/openapi.json
+
+      #- name: Trigger RTD build
+      #  run: |
+      #      curl -X POST -H "Authorization: Bearer ${{ secrets.RTD_PAT }}" \
+      #      https://read-the-docs.com \
diff --git a/docs/jobs/pre-build-job.sh b/docs/jobs/pre-build-job.sh
index 8e11788..3bb41df 100644
--- a/docs/jobs/pre-build-job.sh
+++ b/docs/jobs/pre-build-job.sh
@@ -1,10 +1,9 @@
 #!/bin/bash
 
 # Configuration
-REPO="canonical/snapd"
-# Ensure this matches the actual filename of your YAML workflow in the snapd repo
-WORKFLOW="build-documentation.yaml" 
-ARTIFACT_NAME="openapi-spec" # Updated to match the new GitHub Action output
+REPO="canonical/snap-docs"
+WORKFLOW="build-rest-api.yml" 
+ARTIFACT_NAME="openapi-spec"
 TARGET_DIR="${SOURCEDIR}/_html_extra/reference/api"
 
 mkdir -p "${TARGET_DIR}"
@@ -15,6 +14,7 @@ RUN_IDS=$(gh run list \
   -R "${REPO}" \
   --workflow "${WORKFLOW}" \
   --status success \
+  --branch master \
   --limit 100 \
   --json databaseId \
   -q '.[].databaseId')