diff --git a/connect/curators/curator.service.ts b/connect/curators/curator.service.ts
index cf28ceff..52516530 100644
--- a/connect/curators/curator.service.ts
+++ b/connect/curators/curator.service.ts
@@ -12,7 +12,7 @@ export class CuratorService {
   }
 
   public getCurators(properties: EnvProperties, communityId: string): Observable<Curator[]> {
-    let url: string = properties.adminToolsAPIURL + '/' + communityId + '/curator';
+    let url: string = properties.adminToolsAPIURL + communityId + '/curator';
     return this.http.get<Curator[]>((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url);
   }
 
diff --git a/monitor/services/resources.service.ts b/monitor/services/resources.service.ts
index 8884ed22..657e6bca 100644
--- a/monitor/services/resources.service.ts
+++ b/monitor/services/resources.service.ts
@@ -68,7 +68,7 @@ export class ResourcesService {
   }
   
   public isPagesEnabled() {
-    let url = properties.adminToolsAPIURL + "/monitor/monitor/pages";
+    let url = properties.adminToolsAPIURL + "monitor/monitor/pages";
     return this.http.get<Page[]>((properties.useLongCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url)
       .pipe(map(pages => {
         let result = this.routes.map(() => false);
diff --git a/monitor/services/stakeholder.service.ts b/monitor/services/stakeholder.service.ts
index ba7bf5bb..65b8a403 100644
--- a/monitor/services/stakeholder.service.ts
+++ b/monitor/services/stakeholder.service.ts
@@ -57,7 +57,7 @@ export class StakeholderService {
   getStakeholder(alias: string, shouldUpdate: boolean = false): Observable<Stakeholder> {
     if (!this.stakeholderSubject.value || this.stakeholderSubject.value.alias !== alias || shouldUpdate) {
       this.promise = new Promise<void>((resolve, reject) => {
-        this.sub = this.http.get<Stakeholder>(properties.monitorServiceAPIURL + '/stakeholder/' + encodeURIComponent(alias), CustomOptions.registryOptions()).pipe(map(stakeholder => {
+        this.sub = this.http.get<Stakeholder>(properties.monitorServiceAPIURL + 'stakeholder/' + encodeURIComponent(alias), CustomOptions.registryOptions()).pipe(map(stakeholder => {
           return HelperFunctions.copy(Stakeholder.checkIsUpload(stakeholder));
         })).subscribe(stakeholder => {
           this.stakeholderSubject.next(stakeholder);
@@ -74,7 +74,7 @@ export class StakeholderService {
   getChildStakeholder(parent: string, type: string, child: string, shouldUpdate: boolean = false): Observable<Stakeholder> {
     if (!this.stakeholderSubject.value || this.stakeholderSubject.value.alias !== child || shouldUpdate) {
       this.promise = new Promise<void>((resolve, reject) => {
-        this.sub = this.http.get<Stakeholder>(properties.monitorServiceAPIURL + '/stakeholder/' + encodeURIComponent(parent) + '/' + type + '/' + encodeURIComponent(child), CustomOptions.registryOptions()).pipe(map(stakeholder => {
+        this.sub = this.http.get<Stakeholder>(properties.monitorServiceAPIURL + 'stakeholder/' + encodeURIComponent(parent) + '/' + type + '/' + encodeURIComponent(child), CustomOptions.registryOptions()).pipe(map(stakeholder => {
           return HelperFunctions.copy(Stakeholder.checkIsUpload(stakeholder));
         })).subscribe(stakeholder => {
           this.stakeholderSubject.next(stakeholder);
@@ -91,7 +91,7 @@ export class StakeholderService {
   getResearcherStakeholder(orcid, name, results, shouldUpdate: boolean = false): Observable<Stakeholder> {
     if (!this.stakeholderSubject.value || this.stakeholderSubject.value.alias !== orcid || shouldUpdate) {
       this.promise = new Promise<void>((resolve, reject) => {
-        this.sub = this.http.get<Stakeholder>(properties.monitorServiceAPIURL + '/stakeholder/' + encodeURIComponent("researcher"), CustomOptions.registryOptions()).pipe(map(stakeholder => {
+        this.sub = this.http.get<Stakeholder>(properties.monitorServiceAPIURL + 'stakeholder/' + encodeURIComponent("researcher"), CustomOptions.registryOptions()).pipe(map(stakeholder => {
           return HelperFunctions.copy(Stakeholder.checkIsUpload(stakeholder));
         })).subscribe(stakeholder => {
           stakeholder.index_id = orcid;
@@ -123,19 +123,19 @@ export class StakeholderService {
   }
 
   getAlias(url: string): Observable<string[]> {
-    return this.http.get<Stakeholder[]>(url + '/stakeholder/alias', CustomOptions.registryOptions()).pipe(map(stakeholders => {
+    return this.http.get<Stakeholder[]>(url + 'stakeholder/alias', CustomOptions.registryOptions()).pipe(map(stakeholders => {
       return HelperFunctions.copy(stakeholders);
     }));
   }
 
   getStakeholders(url: string, type: string = null, defaultId: string = null): Observable<(Stakeholder & StakeholderInfo)[]> {
-    return this.http.get<Stakeholder[]>(url + '/stakeholder' + ((type) ? ('?type=' + type) : (defaultId?'?defaultId=' + defaultId:'')) + ((type && defaultId) ? ('&defaultId=' + defaultId) : ''), CustomOptions.registryOptions()).pipe(map(stakeholders => {
+    return this.http.get<Stakeholder[]>(url + 'stakeholder' + ((type) ? ('?type=' + type) : (defaultId?'?defaultId=' + defaultId:'')) + ((type && defaultId) ? ('&defaultId=' + defaultId) : ''), CustomOptions.registryOptions()).pipe(map(stakeholders => {
       return HelperFunctions.copy(Stakeholder.checkIsUpload(stakeholders));
     }));
   }
 
   getMyStakeholders(url: string, type: string = null): Observable<ManageStakeholders> {
-    return this.http.get<ManageStakeholders>(url + '/my-stakeholder' + ((type) ? ('?type=' + type) : ''), CustomOptions.registryOptions()).pipe(map(manageStakeholder => {
+    return this.http.get<ManageStakeholders>(url + 'my-stakeholder' + ((type) ? ('?type=' + type) : ''), CustomOptions.registryOptions()).pipe(map(manageStakeholder => {
       return HelperFunctions.copy({
         templates: Stakeholder.checkIsUpload(manageStakeholder.templates),
         standalone: Stakeholder.checkIsUpload(manageStakeholder.standalone),
@@ -155,20 +155,20 @@ export class StakeholderService {
       umbrella: umbrella,
       standalone: standalone
     }
-    return this.http.post<Stakeholder>(url + '/build-stakeholder', buildStakeholder, CustomOptions.registryOptions()).pipe(map(stakeholder => {
+    return this.http.post<Stakeholder>(url + 'build-stakeholder', buildStakeholder, CustomOptions.registryOptions()).pipe(map(stakeholder => {
       return HelperFunctions.copy(Stakeholder.checkIsUpload(stakeholder));
     }));
   }
 
   changeVisibility(url: string, path: string[], visibility: Visibility, propagate: boolean = false): Observable<any> {
-    return this.http.post<Visibility>(url + '/' + path.join('/') + '/change-visibility' + '?visibility=' + visibility + (propagate ? '&propagate=true' : ''), null, CustomOptions.registryOptions());
+    return this.http.post<Visibility>(url + path.join('/') + '/change-visibility' + '?visibility=' + visibility + (propagate ? '&propagate=true' : ''), null, CustomOptions.registryOptions());
   }
 
   saveElement(url: string, element: any, path: string[] = [], isFull: boolean = false): Observable<any> {
     if (element.alias && element.alias.startsWith('/')) {
       element.alias = element.alias.slice(1);
     }
-    return this.http.post<any>(url + ((path.length > 0) ? '/' : '') + path.join('/') +
+    return this.http.post<any>(url + path.join('/') +
         '/save' + (isFull ? '/full' : ''), element, CustomOptions.registryOptions()).pipe(map(element => {
       if (path.length === 0) {
         return HelperFunctions.copy(Stakeholder.checkIsUpload(element));
@@ -179,7 +179,7 @@ export class StakeholderService {
   }
 
   saveBulkElements(url: string, indicators, path: string[] = []): Observable<any> {
-    return this.http.post<any>(url + ((path.length > 0) ? '/' : '') + path.join('/') +
+    return this.http.post<any>(url + path.join('/') +
         '/save-bulk', indicators, CustomOptions.registryOptions()).pipe(map(element => {
       if (path.length === 0) {
         return HelperFunctions.copy(Stakeholder.checkIsUpload(element));
@@ -190,7 +190,7 @@ export class StakeholderService {
   }
 
   saveSection(url: string, element: any, path: string[] = [], index: number = -1): Observable<Section> {
-    return this.http.post<Section>(url + ((path.length > 0) ? '/' : '') + path.join('/') +
+    return this.http.post<Section>(url + path.join('/') +
         '/save/' + index, element, CustomOptions.registryOptions()).pipe(map(element => {
       return HelperFunctions.copy(element);
     }));
@@ -201,27 +201,27 @@ export class StakeholderService {
     if (childrenAction) {
       params = "?children=" + childrenAction;
     }
-    return this.http.delete<any>(url + '/' + path.join('/') + '/delete' + params, CustomOptions.registryOptions());
+    return this.http.delete<any>(url + path.join('/') + '/delete' + params, CustomOptions.registryOptions());
   }
 
   reorderElements(url: string, path: string[], ids: string[]): Observable<any> {
-    return this.http.post<any>(url + '/' + path.join('/') + '/reorder', ids, CustomOptions.registryOptions());
+    return this.http.post<any>(url + path.join('/') + '/reorder', ids, CustomOptions.registryOptions());
   }
 
   reorderIndicators(url: string, path: string[], indicators: string[]): Observable<Indicator[]> {
-    return this.http.post<Indicator[]>(url + '/' + path.join('/') + '/reorder', indicators, CustomOptions.registryOptions()).pipe(map(indicators => {
+    return this.http.post<Indicator[]>(url + path.join('/') + '/reorder', indicators, CustomOptions.registryOptions()).pipe(map(indicators => {
       return HelperFunctions.copy(indicators);
     }));
   }
 
   moveIndicator(url: string, path: string[], moveIndicator: MoveIndicator): Observable<SubCategory> {
-    return this.http.post<SubCategory>(url + '/' + path.join('/') + '/moveIndicator', moveIndicator, CustomOptions.registryOptions()).pipe(map(subCategory => {
+    return this.http.post<SubCategory>(url + path.join('/') + '/moveIndicator', moveIndicator, CustomOptions.registryOptions()).pipe(map(subCategory => {
       return HelperFunctions.copy(subCategory);
     }));
   }
 
   updateUmbrella(url: string, id: string, update: UpdateUmbrella): Observable<Umbrella> {
-    return this.http.post<Umbrella>(url + '/' + id + '/umbrella', update, CustomOptions.registryOptions()).pipe(map(umbrella => {
+    return this.http.post<Umbrella>(url + id + '/umbrella', update, CustomOptions.registryOptions()).pipe(map(umbrella => {
       return HelperFunctions.copy(umbrella);
     }));
   }
diff --git a/services/customization.service.ts b/services/customization.service.ts
index e4dd4933..c95a1cc3 100644
--- a/services/customization.service.ts
+++ b/services/customization.service.ts
@@ -26,19 +26,19 @@ export class CustomizationService {
 
     saveLayout(properties: EnvProperties, pid: string, layout: Layout, portalType = null): Observable<Layout> {
         CustomizationService.removeNulls(layout);
-        return this.http.post<Layout>(properties.adminToolsAPIURL + '/' + (portalType?portalType: properties.adminToolsPortalType) + '/'
+        return this.http.post<Layout>(properties.adminToolsAPIURL + (portalType?portalType: properties.adminToolsPortalType) + '/'
           + pid + '/layout', layout, CustomOptions.getAuthOptionsWithBody());
     }
     deleteLayout(properties: EnvProperties, pid: string,  portalType = null): Observable<Layout> {
-        return this.http.delete<Layout>(properties.adminToolsAPIURL + '/' + (portalType?portalType: properties.adminToolsPortalType) + '/'
+        return this.http.delete<Layout>(properties.adminToolsAPIURL + (portalType?portalType: properties.adminToolsPortalType) + '/'
           + pid + '/layout',  CustomOptions.getAuthOptionsWithBody());
     }
     getLayout(properties: EnvProperties, pid: string): Observable<Layout> {
-        return this.http.get<Layout>(properties.adminToolsAPIURL+"/" + properties.adminToolsPortalType + '/'
+        return this.http.get<Layout>(properties.adminToolsAPIURL + properties.adminToolsPortalType + '/'
           + pid + '/layout');
     }
     getLayouts(properties: EnvProperties): Observable<Layout[]> {
-        return this.http.get<Layout[]>(properties.adminToolsAPIURL+'/community/layouts');
+        return this.http.get<Layout[]>(properties.adminToolsAPIURL + 'community/layouts');
     }
     mockLayout(): any {
         return this.http.get('./assets/customizationOptions.json') ;
diff --git a/services/plugins.service.ts b/services/plugins.service.ts
index ad6e9bd9..38af2426 100644
--- a/services/plugins.service.ts
+++ b/services/plugins.service.ts
@@ -43,7 +43,7 @@ export class PluginsService {
   }
 
   countPluginTemplatePerPageForAllPortals(api: string) {
-    return this.http.get(api + '/pluginTemplate/page/count');
+    return this.http.get(api + 'pluginTemplate/page/count');
   }
 
   getPluginsByPage(api: string, pid: string, pageId: string) {
@@ -66,11 +66,11 @@ export class PluginsService {
     return this.http.post(api + 'community/' + community + '/plugin/status/' + id, status, CustomOptions.getAuthOptionsWithBody());
   }
   getPluginById(api: string, id: string) {
-    return this.http.get<Plugin>(api + '/plugin/'  + id);
+    return this.http.get<Plugin>(api + 'plugin/'  + id);
   }
 
   getPluginTemplateById(api: string, id: string) {
-    return this.http.get<PluginTemplate>(api + '/pluginTemplates/'  + id);
+    return this.http.get<PluginTemplate>(api + 'pluginTemplates/'  + id);
   }
 
 }
diff --git a/utils/configuration/configuration.service.ts b/utils/configuration/configuration.service.ts
index 43f804bb..c5edcd36 100644
--- a/utils/configuration/configuration.service.ts
+++ b/utils/configuration/configuration.service.ts
@@ -35,7 +35,7 @@ export class ConfigurationService {
   
   public initPortal(properties: EnvProperties, pid: string) {
     if (pid == null || this.portal?.getValue()?.static) return;
-    let url = properties.adminToolsAPIURL + "/" + properties.adminToolsPortalType + "/" + pid + "/full";
+    let url = properties.adminToolsAPIURL + properties.adminToolsPortalType + "/" + pid + "/full";
     this.promise = new Promise<void>(resolve => {
       this.sub = this.http.get<Portal>(/*(properties.useLongCache) ? (properties.cacheUrl + encodeURIComponent(url) + (properties.forceCacheReload?'&forceReload=true':'')) :*/ url).subscribe(
           (portal: Portal) => {
diff --git a/utils/email/email.service.ts b/utils/email/email.service.ts
index 2dab2857..95bcf4ed 100644
--- a/utils/email/email.service.ts
+++ b/utils/email/email.service.ts
@@ -16,22 +16,22 @@ export class EmailService {
     }
     
     notifyManagers(pid: string, role: "manager" | "subscriber", email: Email) {
-        return this.http.post(properties.adminToolsAPIURL + '/notifyManagers/' + pid + '/' + role, email, CustomOptions.getAuthOptions())
+        return this.http.post(properties.adminToolsAPIURL + 'notifyManagers/' + pid + '/' + role, email, CustomOptions.getAuthOptions())
     }
     
     notifyNewManager(email: Email) {
-        return this.http.post(properties.adminToolsAPIURL + '/notifyNewManager', email, CustomOptions.getAuthOptions())
+        return this.http.post(properties.adminToolsAPIURL + 'notifyNewManager', email, CustomOptions.getAuthOptions())
     }
 
     sendEmail(properties: EnvProperties, email: Email) {
-        return this.http.post(properties.adminToolsAPIURL + "/sendMail/", email, CustomOptions.registryOptions());
+        return this.http.post(properties.adminToolsAPIURL + "sendMail/", email, CustomOptions.registryOptions());
     }
 
     contact(properties: EnvProperties, email: Email, recaptcha: string = null):Observable<boolean> {
         const data: EmailRecaptcha = new EmailRecaptcha();
         data.email = email;
         data.recaptcha = recaptcha;
-        return this.http.post<boolean>(properties.adminToolsAPIURL + '/contact', data);
+        return this.http.post<boolean>(properties.adminToolsAPIURL + 'contact', data);
     }
 
 }
diff --git a/utils/helper/helper.service.ts b/utils/helper/helper.service.ts
index 639f913b..3d5c621d 100644
--- a/utils/helper/helper.service.ts
+++ b/utils/helper/helper.service.ts
@@ -19,9 +19,9 @@ export class HelperService {
 
     let url = properties.adminToolsAPIURL;
     if (div) {
-      url += '/divhelpcontent?active=true&community=' + communityId + '&page=' + router + '&div=' + div;
+      url += 'divhelpcontent?active=true&community=' + communityId + '&page=' + router + '&div=' + div;
     } else {
-      url += '/pagehelpcontent?active=true&community=' + communityId + '&page=' + router + '&position=' + position;
+      url += 'pagehelpcontent?active=true&community=' + communityId + '&page=' + router + '&position=' + position;
       if (before) {
         url += '&before=' + before;
       }
@@ -42,7 +42,7 @@ export class HelperService {
     if (typeof properties.useHelpTexts == "undefined" || properties.useHelpTexts) {
       let page_route: string = router.split('?')[0].substring(0);
       let url = properties.adminToolsAPIURL;
-      url += '/' + portalType + '/' + portal + '/pagehelpcontent/grouped?active=true&page=' +
+      url += portalType + '/' + portal + '/pagehelpcontent/grouped?active=true&page=' +
           ((page_route.indexOf("/" + portal + "/") != -1) ? ("/" + page_route.split("/" + portal + "/")[1]) : page_route);
       return this.http.get(/*(properties.useLongCache) ? (properties.cacheUrl + encodeURIComponent(url)+ (properties.forceCacheReload?'&forceReload=true':'')) :*/ url);
     } else {
@@ -60,7 +60,7 @@ export class HelperService {
     if (typeof properties.useHelpTexts == "undefined" || properties.useHelpTexts) {
       let page_route: string = router.split('?')[0].substring(0);
       let url = properties.adminToolsAPIURL;
-      url += '/' + properties.adminToolsPortalType + '/' + communityId + '/divhelpcontent/grouped?active=true&page=' +
+      url += properties.adminToolsPortalType + '/' + communityId + '/divhelpcontent/grouped?active=true&page=' +
           ((page_route.indexOf("/" + communityId + "/") != -1) ? ("/" + page_route.split("/" + communityId + "/")[1]) : page_route);
       return this.http.get((properties.useLongCache) ? (properties.cacheUrl + encodeURIComponent(url) + (properties.forceCacheReload ? '&forceReload=true' : '')) : url);
     } else {
diff --git a/utils/properties/environments/environment.ts b/utils/properties/environments/environment.ts
index 8f0b7308..94f0cea2 100644
--- a/utils/properties/environments/environment.ts
+++ b/utils/properties/environments/environment.ts
@@ -116,7 +116,7 @@ export let commonDev: EnvProperties = {
   cookieDomain: ".di.uoa.gr",
   feedbackmail: "kostis30fylloy@gmail.com",
   cacheUrl: "http://dl170.madgik.di.uoa.gr:3000/get?url=",
-  monitorServiceAPIURL: "http://mpagasas.di.uoa.gr:19380/uoa-monitor-service",
+  monitorServiceAPIURL: "http://mpagasas.di.uoa.gr:19380/uoa-monitor-service/",
   adminToolsAPIURL: "http://duffy.di.uoa.gr:19280/uoa-admin-tools/",
   datasourcesAPI: "https://beta.services.openaire.eu/openaire/ds/api/",
   contextsAPI: "https://dev-openaire.d4science.org/openaire/context",
@@ -152,7 +152,7 @@ export let commonTest: EnvProperties = {
   loginServiceURL: " https://services.openaire.eu/login-service/",
   cacheUrl: "https://explore.openaire.eu/cache/get?url=",
   datasourcesAPI: "https://services.openaire.eu/openaire/ds/api/",
-  monitorServiceAPIURL: "https://services.openaire.eu/uoa-monitor-service",
+  monitorServiceAPIURL: "https://services.openaire.eu/uoa-monitor-service/",
   adminToolsAPIURL: "https://services.openaire.eu/uoa-admin-tools/",
   contextsAPI: "https://services.openaire.eu/openaire/context",
   communityAPI: "https://services.openaire.eu/openaire/community/",
@@ -181,7 +181,7 @@ export let commonBeta: EnvProperties = {
   loginServiceURL: "https://beta.services.openaire.eu/login-service/",
   cacheUrl: "https://demo.openaire.eu/cache/get?url=",
   datasourcesAPI: "https://beta.services.openaire.eu/openaire/ds/api/",
-  monitorServiceAPIURL: "https://beta.services.openaire.eu/uoa-monitor-service",
+  monitorServiceAPIURL: "https://beta.services.openaire.eu/uoa-monitor-service/",
   adminToolsAPIURL: "https://beta.services.openaire.eu/uoa-admin-tools/",
   contextsAPI: "https://beta.services.openaire.eu/openaire/context",
   communityAPI: "https://beta.services.openaire.eu/openaire/community/",
@@ -220,7 +220,7 @@ export let commonProd: EnvProperties = {
   loginServiceURL: "https://services.openaire.eu/login-service/",
   cacheUrl: "https://explore.openaire.eu/cache/get?url=",
   datasourcesAPI: "https://services.openaire.eu/openaire/ds/api/",
-  monitorServiceAPIURL: "https://services.openaire.eu/uoa-monitor-service",
+  monitorServiceAPIURL: "https://services.openaire.eu/uoa-monitor-service/",
   adminToolsAPIURL: "https://services.openaire.eu/uoa-admin-tools/",
   contextsAPI: "https://services.openaire.eu/openaire/context",
   communityAPI: "https://services.openaire.eu/openaire/community/",