diff --git a/testcase-01/Jenkinsfile b/testcase-01/Jenkinsfile
index 32e2b99..2447a09 100644
--- a/testcase-01/Jenkinsfile
+++ b/testcase-01/Jenkinsfile
@@ -52,10 +52,13 @@ node() {
     // To run the integration tests when using APIcast SaaS instances, we need
     // to fetch the proxy definition to extract the staging public url
     def proxy = service.readProxy("sandbox")
-    sh """set -e +x
-    curl -f -k -w "ListBeers: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/beer -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "GetBeer: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/beer/Weissbier -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "FindBeersByStatus: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/beer/findByStatus/available -H 'api-key: ${service.applications[0].userkey}'
+    def userkey = service.applications[0].userkey
+    sh """set -e
+    echo "Public Staging Base URL is ${proxy.sandbox_endpoint}"
+    echo "userkey is ${userkey}"
+    curl -sfk -w "ListBeers: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/beer -H 'api-key: ${userkey}'
+    curl -sfk -w "GetBeer: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/beer/Weissbier -H 'api-key: ${userkey}'
+    curl -sfk -w "FindBeersByStatus: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/beer/findByStatus/available -H 'api-key: ${userkey}'
     """
   }
 
diff --git a/testcase-02/Jenkinsfile b/testcase-02/Jenkinsfile
index 2a1ad2e..6f8652d 100644
--- a/testcase-02/Jenkinsfile
+++ b/testcase-02/Jenkinsfile
@@ -58,10 +58,11 @@ node() {
         endpoint: service.environment.productionPublicBaseURL,
         sandbox_endpoint: service.environment.stagingPublicBaseURL
     ]
-    sh """set -e +x
-    curl -f -k -w "ListBeers: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/beer
-    curl -f -k -w "GetBeer: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/beer/Weissbier
-    curl -f -k -w "FindBeersByStatus: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/beer/findByStatus/available
+    sh """set -e
+    echo "Public Staging Base URL is ${proxy.sandbox_endpoint}"
+    curl -sfk -w "ListBeers: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/beer
+    curl -sfk -w "GetBeer: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/beer/Weissbier
+    curl -sfk -w "FindBeersByStatus: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/beer/findByStatus/available
     """
   }
 
diff --git a/testcase-03/Jenkinsfile b/testcase-03/Jenkinsfile
index 5c0952b..a112f1f 100644
--- a/testcase-03/Jenkinsfile
+++ b/testcase-03/Jenkinsfile
@@ -54,7 +54,24 @@ node() {
   }
 
   stage("Run integration tests") {
-    // NOT IMPLEMENTED (YET)
+    def proxy = service.readProxy("sandbox")
+    def tokenEndpoint = getTokenEndpoint(params.OIDC_ISSUER_ENDPOINT)
+    def clientId = service.applications[0].clientId
+    def clientSecret = service.applications[0].clientSecret
+    sh """set -e
+    echo "token endpoint is ${tokenEndpoint}"
+    echo "Public Staging Base URL is ${proxy.sandbox_endpoint}"
+    echo "client_id=${clientId}"
+    echo "client_secret=${clientSecret}"
+    curl -sfk "${tokenEndpoint}" -d client_id="${clientId}" -d client_secret="${clientSecret}" -d scope=openid -d grant_type=client_credentials -o response.json
+    curl -sLfk https://github.com/stedolan/jq/releases/download/jq-1.6/jq-linux64 -o /tmp/jq
+    chmod 755 /tmp/jq
+    TOKEN="\$(/tmp/jq -r .access_token response.json)"
+    echo "Received access_token '\$TOKEN'"
+    curl -sfk -w "ListBeers: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/v1/beer -H "Authorization: Bearer \$TOKEN"
+    curl -sfk -w "GetBeer: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/v1/beer/Weissbier -H "Authorization: Bearer \$TOKEN"
+    curl -sfk -w "FindBeersByStatus: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/v1/beer/findByStatus/available -H "Authorization: Bearer \$TOKEN"
+    """
   }
 
   stage("Promote to production") {
@@ -62,3 +79,8 @@ node() {
   }
 
 }
+
+def getTokenEndpoint(String oidcIssuerEndpoint) {
+   def m = (oidcIssuerEndpoint =~ /(https?:\/\/)[^:]+:[^@]+@(.*)/)
+   return "${m[0][1]}${m[0][2]}/protocol/openid-connect/token"
+}
diff --git a/testcase-04/Jenkinsfile b/testcase-04/Jenkinsfile
index 52677a7..8c3d50b 100644
--- a/testcase-04/Jenkinsfile
+++ b/testcase-04/Jenkinsfile
@@ -50,10 +50,13 @@ node() {
     // To run the integration tests when using APIcast SaaS instances, we need
     // to fetch the proxy definition to extract the staging public url
     def proxy = service.readProxy("sandbox")
-    sh """set -e +x
-    curl -f -k -w "GetLocation: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/location -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "GetTimeframe: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/timeframe -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "GetParticipants: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/participants -H 'api-key: ${service.applications[0].userkey}'
+    def userkey = service.applications[0].userkey
+    sh """set -e
+    echo "Public Staging Base URL is ${proxy.sandbox_endpoint}"
+    echo "userkey is ${userkey}"
+    curl -sfk -w "ListBeers: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/location -H 'api-key: ${userkey}'
+    curl -sfk -w "GetBeer: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/timeframe -H 'api-key: ${userkey}'
+    curl -sfk -w "FindBeersByStatus: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/participants -H 'api-key: ${userkey}'
     """
 
     // Promote to production
@@ -98,10 +101,13 @@ node() {
     // To run the integration tests when using APIcast SaaS instances, we need
     // to fetch the proxy definition to extract the staging public url
     def proxy = service.readProxy("sandbox")
-    sh """set -e +x
-    curl -f -k -w "GetLocation: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/location -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "GetTimeframe: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/timeframe -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "GetParticipants: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/participants -H 'api-key: ${service.applications[0].userkey}'
+    def userkey = service.applications[0].userkey
+    sh """set -e
+    echo "Public Staging Base URL is ${proxy.sandbox_endpoint}"
+    echo "userkey is ${userkey}"
+    curl -sfk -w "ListBeers: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/location -H 'api-key: ${userkey}'
+    curl -sfk -w "GetBeer: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/timeframe -H 'api-key: ${userkey}'
+    curl -sfk -w "FindBeersByStatus: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/participants -H 'api-key: ${userkey}'
     """
 
     // Promote to production
@@ -146,10 +152,13 @@ node() {
     // To run the integration tests when using APIcast SaaS instances, we need
     // to fetch the proxy definition to extract the staging public url
     def proxy = service.readProxy("sandbox")
-    sh """set -e +x
-    curl -f -k -w "GetLocation: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/location -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "GetTimeframe: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/timeframe -H 'api-key: ${service.applications[0].userkey}'
-    curl -f -k -w "GetParticipants: %{http_code}\n" -o /dev/null -s ${proxy.sandbox_endpoint}/api/participants -H 'api-key: ${service.applications[0].userkey}'
+    def userkey = service.applications[0].userkey
+    sh """set -e
+    echo "Public Staging Base URL is ${proxy.sandbox_endpoint}"
+    echo "userkey is ${userkey}"
+    curl -sfk -w "ListBeers: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/location -H 'api-key: ${userkey}'
+    curl -sfk -w "GetBeer: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/timeframe -H 'api-key: ${userkey}'
+    curl -sfk -w "FindBeersByStatus: %{http_code}\n" -o /dev/null ${proxy.sandbox_endpoint}/api/participants -H 'api-key: ${userkey}'
     """
 
     // Promote to production