diff --git a/lib/common/http-client.ts b/lib/common/http-client.ts
index a8bc49acb3..dabbf62a0d 100644
--- a/lib/common/http-client.ts
+++ b/lib/common/http-client.ts
@@ -113,6 +113,7 @@ export class HttpClient implements Server.IHttpClient {
 			method: options.method,
 			proxy: false,
 			httpAgent: agent,
+			data: options.body,
 		}).catch((err) => {
 			this.$logger.trace("An error occurred while sending the request:", err);
 			if (err.response) {
diff --git a/lib/services/apple-portal/apple-portal-application-service.ts b/lib/services/apple-portal/apple-portal-application-service.ts
index aea5ad7f93..1893b79e1e 100644
--- a/lib/services/apple-portal/apple-portal-application-service.ts
+++ b/lib/services/apple-portal/apple-portal-application-service.ts
@@ -23,11 +23,9 @@ export class ApplePortalApplicationService
 		let result: IApplePortalApplicationSummary[] = [];
 
 		for (const account of user.associatedAccounts) {
-			const contentProviderId = account.contentProvider.contentProviderId;
-			const dsId = user.sessionToken.dsId;
+			const contentProviderId = account.contentProvider.contentProviderPublicId;
 			const applications = await this.getApplicationsByProvider(
-				contentProviderId,
-				dsId
+				contentProviderId
 			);
 			result = result.concat(applications.summaries);
 		}
@@ -36,20 +34,18 @@ export class ApplePortalApplicationService
 	}
 
 	public async getApplicationsByProvider(
-		contentProviderId: number,
-		dsId: string
+		contentProviderId: string
 	): Promise<IApplePortalApplication> {
 		const webSessionCookie = await this.$applePortalSessionService.createWebSession(
-			contentProviderId,
-			dsId
+			contentProviderId
 		);
 		const response = await this.$httpClient.httpRequest({
 			url:
 				"https://appstoreconnect.apple.com/WebObjects/iTunesConnect.woa/ra/apps/manageyourapps/summary/v2",
 			method: "GET",
-			body: JSON.stringify({
+			body: {
 				contentProviderId,
-			}),
+			},
 			headers: {
 				"Content-Type": "application/json",
 				Cookie: webSessionCookie,
diff --git a/lib/services/apple-portal/apple-portal-session-service.ts b/lib/services/apple-portal/apple-portal-session-service.ts
index e17c1c5c29..7fad35e8ed 100644
--- a/lib/services/apple-portal/apple-portal-session-service.ts
+++ b/lib/services/apple-portal/apple-portal-session-service.ts
@@ -79,19 +79,24 @@ export class ApplePortalSessionService implements IApplePortalSessionService {
 		return result;
 	}
 
-	public async createWebSession(
-		contentProviderId: number,
-		dsId: string
-	): Promise<string> {
+	public async createWebSession(contentProviderId: string): Promise<string> {
 		const webSessionResponse = await this.$httpClient.httpRequest({
 			url:
-				"https://appstoreconnect.apple.com/WebObjects/iTunesConnect.woa/ra/v1/session/webSession",
+				"https://appstoreconnect.apple.com/olympus/v1/providerSwitchRequests",
 			method: "POST",
-			body: JSON.stringify({
-				contentProviderId,
-				dsId,
-				ipAddress: null,
-			}),
+			body: {
+				data: {
+					type: "providerSwitchRequests",
+					relationships: {
+						provider: {
+							data: {
+								type: "providers",
+								id: contentProviderId,
+							},
+						},
+					},
+				},
+			},
 			headers: {
 				Accept: "application/json, text/plain, */*",
 				"Accept-Encoding": "gzip, deflate, br",
@@ -132,7 +137,7 @@ export class ApplePortalSessionService implements IApplePortalSessionService {
 			try {
 				await this.loginCore(credentials);
 			} catch (err) {
-				const statusCode = err && err.response && err.response.statusCode;
+				const statusCode = err && err.response && err.response.status;
 				result.areCredentialsValid = statusCode !== 401 && statusCode !== 403;
 				result.isTwoFactorAuthenticationEnabled = statusCode === 409;
 
@@ -177,11 +182,11 @@ For more details how to set up your environment, please execute "tns publish ios
 			"X-Apple-Widget-Key": loginConfig.authServiceKey,
 			Accept: "application/json, text/javascript",
 		};
-		const body = JSON.stringify({
+		const body = {
 			accountName: credentials.username,
 			password: credentials.password,
 			rememberMe: true,
-		});
+		};
 
 		const loginResponse = await this.$httpClient.httpRequest({
 			url: loginUrl,
@@ -244,11 +249,11 @@ For more details how to set up your environment, please execute "tns publish ios
 			await this.$httpClient.httpRequest({
 				url: `https://idmsa.apple.com/appleauth/auth/verify/trusteddevice/securitycode`,
 				method: "POST",
-				body: JSON.stringify({
+				body: {
 					securityCode: {
 						code: token.toString(),
 					},
-				}),
+				},
 				headers: { ...headers, "Content-Type": "application/json" },
 			});
 
diff --git a/lib/services/apple-portal/definitions.d.ts b/lib/services/apple-portal/definitions.d.ts
index 8c50e4f661..f8ee4a5558 100644
--- a/lib/services/apple-portal/definitions.d.ts
+++ b/lib/services/apple-portal/definitions.d.ts
@@ -1,7 +1,7 @@
 import { ICredentials } from "../../common/declarations";
 
 interface IApplePortalSessionService {
-	createWebSession(contentProviderId: number, dsId: string): Promise<string>;
+	createWebSession(contentProviderId: string): Promise<string>;
 	createUserSession(
 		credentials: ICredentials,
 		opts?: IAppleCreateUserSessionOptions
@@ -19,8 +19,7 @@ interface IApplePortalApplicationService {
 		user: IApplePortalUserDetail
 	): Promise<IApplePortalApplicationSummary[]>;
 	getApplicationsByProvider(
-		contentProviderId: number,
-		dsId: string
+		contentProviderId: string
 	): Promise<IApplePortalApplication>;
 	getApplicationByBundleId(
 		user: IApplePortalUserDetail,