diff --git a/jjb/pipeline/xos-synchronizer-update.groovy b/jjb/pipeline/xos-synchronizer-update.groovy
new file mode 100644
index 0000000..1c8a43d
--- /dev/null
+++ b/jjb/pipeline/xos-synchronizer-update.groovy
@@ -0,0 +1,351 @@
+// Copyright 2017-present Open Networking Foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Run XOS api tests after changing the containers to use the `candidate`
+// parent, which may include synchronizer changes
+
+CORE_CONTAINER="null"
+
+pipeline {
+
+    /* no label, executor is determined by JJB */
+    agent {
+        label "${params.executorNode}"
+    }
+
+  stages {
+
+    stage('repo') {
+      steps {
+        checkout(changelog: false, \
+          poll: false,
+          scm: [$class: 'RepoScm', \
+            manifestRepositoryUrl: "${params.manifestUrl}", \
+            manifestBranch: "${params.manifestBranch}", \
+            currentBranch: true, \
+            destinationDir: 'cord', \
+            forceSync: true,
+            resetFirst: true, \
+            quiet: true, \
+            jobs: 4, \
+            showAllChanges: true] \
+          )
+      }
+    }
+
+    stage('patch') {
+      steps {
+        sh """
+           #!/usr/bin/env bash
+           set -eu -o pipefail
+
+           VERSIONFILE="" # file path to file containing version number
+           NEW_VERSION="" # version number found in VERSIONFILE
+           releaseversion=0
+
+           function read_version {
+             if [ -f "VERSION" ]
+             then
+               NEW_VERSION=\$(head -n1 "VERSION")
+               VERSIONFILE="VERSION"
+             elif [ -f "package.json" ]
+             then
+               NEW_VERSION=\$(python -c 'import json,sys;obj=json.load(sys.stdin); print obj["version"]' < package.json)
+               VERSIONFILE="package.json"
+             else
+               echo "ERROR: No versioning file found!"
+               exit 1
+             fi
+           }
+
+           # check if the version is a released version
+           function check_if_releaseversion {
+             if [[ "\$NEW_VERSION" =~ ^([0-9]+)\\.([0-9]+)\\.([0-9]+)\$ ]]
+             then
+               echo "Version string '\$NEW_VERSION' in '\$VERSIONFILE' is a SemVer released version!"
+               releaseversion=1
+             else
+               echo "Version string '\$NEW_VERSION' in '\$VERSIONFILE' is not a SemVer released version, skipping."
+             fi
+           }
+
+           pushd cord
+           PROJECT_PATH=\$(xmllint --xpath "string(//project[@name=\\\"${gerritProject}\\\"]/@path)" .repo/manifest.xml)
+           repo download "\$PROJECT_PATH" "${gerritChangeNumber}/${gerritPatchsetNumber}"
+
+           pushd \$PROJECT_PATH
+           echo "Existing git tags:"
+           git tag -n
+
+           read_version
+           check_if_releaseversion
+
+           # perform checks if a released version
+           if [ "\$releaseversion" -eq "1" ]
+           then
+             git config --global user.email "apitest@opencord.org"
+             git config --global user.name "API Test"
+
+             git tag -a "\$NEW_VERSION" -m "Tagged for api test on Gerrit patchset: ${gerritChangeNumber}"
+
+             echo "Tags including new tag:"
+             git tag -n
+
+           fi
+           popd
+           popd
+           """
+      }
+    }
+    stage('candiate tag') {
+      steps {
+        sh """
+           XOS_MAJOR=\$(cut -b 1 cord/orchestration/xos/VERSION)
+           for df in cord/orchestration/xos_services/*/Dockerfile.synchronizer cord/orchestration/profiles/*/Dockerfile.synchronizer
+           do
+             sed -i "s/^FROM\\(.*\\):\${XOS_MAJOR}.*\$/FROM\\1:candidate/" "\$df"
+           done
+           """
+      }
+    }
+
+    stage('prep') {
+      parallel {
+
+        stage('images') {
+          steps {
+            sh '''
+               pushd cord/automation-tools/developer
+               mkdir ib_logs
+               ./imagebuilder.py -l ib_logs -a ib_actions.yml -g ib_graph.dot -f ../../helm-charts/examples/filter-images.yaml
+               popd
+               '''
+            archiveArtifacts artifacts: 'cord/automation-tools/developer/ib_actions.yml, cord/automation-tools/developer/ib_graph.dot, cord/automation-tools/developer/ib_logs/*', fingerprint: true
+          }
+        }
+
+        stage('minikube') {
+          steps {
+            /* see https://github.com/kubernetes/minikube/#linux-continuous-integration-without-vm-support */
+            sh '''
+               export MINIKUBE_WANTUPDATENOTIFICATION=false
+               export MINIKUBE_WANTREPORTERRORPROMPT=false
+               export CHANGE_MINIKUBE_NONE_USER=true
+               export MINIKUBE_HOME=$HOME
+               mkdir -p $HOME/.kube || true
+               touch $HOME/.kube/config
+               export KUBECONFIG=$HOME/.kube/config
+               sudo -E /usr/bin/minikube start --vm-driver=none
+               '''
+            script {
+              timeout(3) {
+                waitUntil {
+                  sleep 5
+                  def kc_ret = sh script: "kubectl get po", returnStatus: true
+                  return (kc_ret == 0);
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+
+    stage('helm') {
+      steps {
+        sh '''
+           helm init
+           sleep 60
+           helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com/
+           '''
+      }
+    }
+
+    stage('build') {
+      steps {
+        sh """
+           #!/usr/bin/env bash
+           set -eu -o pipefail
+
+           helm_install_args='-f examples/image-tag-candidate.yaml -f examples/imagePullPolicy-IfNotPresent.yaml -f examples/api-test-values.yaml'
+           basesleep=300
+           extrasleep=60
+
+           pushd cord/helm-charts
+
+           helm dep up xos-core
+           helm install \${helm_install_args} xos-core -n xos-core
+
+           # Pick which chart(s) to load depending on the project being tested
+           # In regex, please list repos in same order as requirements.yaml in the chart(s) loaded!
+
+           if [[ "$GERRIT_PROJECT" =~ ^(rcord|onos-service|fabric|olt-service|vsg-hw|vrouter)\$ ]]; then
+             helm dep update xos-profiles/rcord-lite
+             helm install \${helm_install_args} xos-profiles/rcord-lite -n rcord-lite
+             extrasleep=300
+
+           elif [[ "$GERRIT_PROJECT" =~ ^(vMME|vspgwc|vspgwu|vHSS|hss_db|internetemulator|sdn-controller|epc-service|mcord|progran)\$ ]]; then
+             helm dep update xos-profiles/base-openstack
+             helm dep update xos-profiles/mcord
+             helm install \${helm_install_args} xos-profiles/base-openstack -n base-openstack
+             helm install \${helm_install_args} xos-profiles/mcord -n mcord
+             extrasleep=900
+
+           elif [[ "$GERRIT_PROJECT" =~ ^(openstack|vtn-service|exampleservice|addressmanager)\$ ]]; then
+             # NOTE: onos-service is included in base-openstack, but tested w/rcord-lite chart
+
+             helm dep update xos-profiles/base-openstack
+             helm dep update xos-profiles/demo-exampleservice
+             helm install \${helm_install_args} xos-profiles/base-openstack -n base-openstack
+             helm install \${helm_install_args} xos-profiles/demo-exampleservice -n demo-exampleservice
+
+           elif [[ "$GERRIT_PROJECT" =~ ^(kubernetes-service|simpleexampleservice)\$ ]]; then
+             helm dep update xos-profiles/base-kubernetes
+             helm dep update xos-profiles/demo-simpleexampleservice
+             helm install \${helm_install_args} xos-profiles/base-kubernetes -n base-kubernetes
+             helm install \${helm_install_args} xos-profiles/demo-simpleexampleservice -n demo-simpleexampleservice
+
+           elif [[ "$GERRIT_PROJECT" =~ ^(hippie-oss)\$ ]]; then
+             helm dep update xos-services/hippie-oss
+             helm install \${helm_install_args} xos-services/hippie-oss -n hippie-oss
+
+           elif [[ "$GERRIT_PROJECT" =~ ^(xos|xos-tosca|cord-tester|helm-charts)\$ ]]; then
+             echo "No additional charts to install for testing $GERRIT_PROJECT"
+
+           else
+             echo "Couldn't find a chart to test project: $GERRIT_PROJECT!"
+             exit 1
+           fi
+
+           # sleep to wait for services to load
+           sleep "\$basesleep"
+           sleep "\$extrasleep"
+
+           echo "# Checking helm deployments"
+           kubectl get pods
+           helm list
+
+           for hchart in \$(helm list -q);
+           do
+             echo "## 'helm status' for chart: \${hchart} ##"
+             helm status "\${hchart}"
+           done
+
+           popd
+           """
+      }
+    }
+
+    stage('setup') {
+      steps {
+        sh """
+           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')
+
+           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xosapitests.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xosapitests.xtarget
+           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xosserviceapitests.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xosserviceapitests.xtarget
+           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xoslibrary.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xoslibrary.xtarget
+           docker exec -i \$CORE_CONTAINER /bin/bash -c "xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xosapitests.xtarget /opt/xos/core/models/core.xproto" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/XOSCoreAPITests.robot
+
+           # create additional testing files if services are loaded
+           if ! [[ "$GERRIT_PROJECT" =~ ^(xos|xos-tosca|cord-tester|helm-charts)\$ ]]; then
+             export testname=_service_api.robot
+             export library=_library.robot
+
+             SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
+             echo \$SERVICES
+
+             for i in \$SERVICES; do bash -c "docker exec -i \$CORE_CONTAINER /bin/bash -c 'xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xosserviceapitests.xtarget /opt/xos/dynamic_services/\$i/\$i.xproto /opt/xos/core/models/core.xproto'" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/\$i\$testname; done
+
+             for i in \$SERVICES; do bash -c "docker exec -i \$CORE_CONTAINER /bin/bash -c 'xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xoslibrary.xtarget /opt/xos/dynamic_services/\$i/\$i.xproto /opt/xos/core/models/core.xproto'" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/\$i\$library; done
+           fi
+           """
+      }
+    }
+
+    stage('test') {
+      steps {
+        sh """
+           pushd cord/test/cord-tester/src/test/cord-api/Tests
+
+           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')
+           CHAM_CONTAINER=\$(docker ps | grep k8s_xos-chameleon | awk '{print \$1}')
+           XOS_CHAMELEON=\$(docker exec \$CHAM_CONTAINER ip a | grep -oE "([0-9]{1,3}\\.){3}[0-9]{1,3}\\b" | grep 172)
+
+           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Properties/
+           sed -i \"s/^\\(SERVER_IP = \\).*/\\1\'\$XOS_CHAMELEON\'/\" RestApiProperties.py
+           sed -i \"s/^\\(SERVER_PORT = \\).*/\\1\'9101\'/\" RestApiProperties.py
+           sed -i \"s/^\\(XOS_USER = \\).*/\\1\'admin@opencord.org\'/\" RestApiProperties.py
+           sed -i \"s/^\\(XOS_PASSWD = \\).*/\\1\'letmein\'/\" RestApiProperties.py
+           sed -i \"s/^\\(PASSWD = \\).*/\\1\'letmein\'/\" RestApiProperties.py
+
+           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests
+           pybot -d Log -T -e TenantWithContainer -e Port -e ControllerImages -e ControllerNetwork -e ControllerSlice -e ControllerUser XOSCoreAPITests.robot  || true
+
+           # do additional tests if services are loaded
+           if ! [[ "$GERRIT_PROJECT" =~ ^(xos|xos-tosca|cord-tester|helm-charts)\$ ]]; then
+             export testname=_service_api.robot
+             export library=_library.robot
+             SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
+             echo \$SERVICES
+
+             for i in \$SERVICES; do bash -c "pybot -d Log -T -e AddressManagerServiceInstance -v TESTLIBRARY:\$i\$library \$i\$testname"; sleep 2; done || true
+           fi
+
+           popd
+           """
+      }
+    }
+
+    stage('Publish') {
+      steps {
+        sh """
+           if [ -d RobotLogs ]; then rm -r RobotLogs; fi; mkdir RobotLogs
+           cp -r $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/Log/*ml ./RobotLogs
+           """
+
+        step([$class: 'RobotPublisher',
+            disableArchiveOutput: false,
+            logFileName: 'RobotLogs/log*.html',
+            otherFiles: '',
+            outputFileName: 'RobotLogs/output*.xml',
+            outputPath: '.',
+            passThreshold: 95,
+            reportFileName: 'RobotLogs/report*.html',
+            unstableThreshold: 0]);
+      }
+    }
+
+  }
+
+  post {
+    always {
+      sh '''
+         kubectl get pods --all-namespaces
+
+         echo "# removing helm deployments"
+         kubectl get pods
+         helm list
+
+         for hchart in \$(helm list -q);
+         do
+           echo "## Purging chart: \${hchart} ##"
+           helm delete --purge "\${hchart}"
+         done
+
+         sudo minikube delete
+         '''
+         step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "suchitra@opennetworking.org, you@opennetworking.org, kailash@opennetworking.org", sendToIndividuals: false])
+    }
+  }
+}
diff --git a/jjb/verify/xos.yaml b/jjb/verify/xos.yaml
index e25218d..fdf135b 100644
--- a/jjb/verify/xos.yaml
+++ b/jjb/verify/xos.yaml
@@ -19,7 +19,9 @@
           dependency-jobs: 'verify_xos_tag-collision'
       - 'xos-unit-test':
           dependency-jobs: 'verify_xos_sonarqube'
-      - 'api-test':
+      - 'synchronizer-update':
           dependency-jobs: 'verify_xos_unit-test'
+      - 'api-test':
+          dependency-jobs: 'verify_xos_synchronizer-update'
           pipeline_script: 'all-xos-api-test-helm.groovy'
 
diff --git a/jjb/xos-synchronizer-update.yaml b/jjb/xos-synchronizer-update.yaml
new file mode 100644
index 0000000..f433860
--- /dev/null
+++ b/jjb/xos-synchronizer-update.yaml
@@ -0,0 +1,62 @@
+---
+# CORD API tests through synchronizer updates
+
+- job-template:
+    id: synchronizer-update
+    name: 'verify_{project}_synchronizer-update'
+    description: |
+      Created by {id} job-template from ci-management/jjb/xos-synchronizer-update.yaml
+
+    triggers:
+      - cord-infra-gerrit-trigger-patchset:
+          gerrit-server-name: '{gerrit-server-name}'
+          project-regexp: '^{project}$'
+          branch-regexp: '{branch-regexp}'
+          file-include-regexp: '{all-files-regexp}'
+          dependency-jobs: '{dependency-jobs}'
+
+    properties:
+      - cord-infra-properties:
+          build-days-to-keep: '{build-days-to-keep}'
+          artifact-num-to-keep: '{artifact-num-to-keep}'
+
+    wrappers:
+      - lf-infra-wrappers:
+          build-timeout: '60'
+          jenkins-ssh-credential: '{jenkins-ssh-credential}'
+
+    parameters:
+      - string:
+         name: executorNode
+         default: 'ubuntu16.04-basebuild-4c-8g'
+         description: 'Name of the Jenkins node to run the job on'
+
+      - string:
+         name: manifestUrl
+         default: '{gerrit-server-url}/{cord-repo-manifest}'
+         description: 'URL to the repo manifest'
+
+      - string:
+         name: manifestBranch
+         default: '$GERRIT_BRANCH'
+         description: 'Name of the repo branch to use'
+
+      - string:
+         name: gerritProject
+         default: '$GERRIT_PROJECT'
+         description: 'Name of the Gerrit project'
+
+      - string:
+         name: gerritChangeNumber
+         default: '$GERRIT_CHANGE_NUMBER'
+         description: 'Changeset number in Gerrit'
+
+      - string:
+         name: gerritPatchsetNumber
+         default: '$GERRIT_PATCHSET_NUMBER'
+         description: 'PatchSet number in Gerrit'
+
+    project-type: pipeline
+    concurrent: true
+
+    dsl: !include-raw-escape: pipeline/xos-synchronizer-update.groovy