diff --git a/types/ltijs/lib/Provider/Provider.d.ts b/types/ltijs/lib/Provider/Provider.d.ts
index b25eb1022b12f0..cfe6dc53603f31 100644
--- a/types/ltijs/lib/Provider/Provider.d.ts
+++ b/types/ltijs/lib/Provider/Provider.d.ts
@@ -18,11 +18,10 @@ export interface DeploymentOptions {
 }
 
 export interface ProviderOptions {
-    appUrl?: string | undefined;
-    loginUrl?: string | undefined;
-    sessionTimeoutUrl?: string | undefined;
-    invalidTokenUrl?: string | undefined;
-    keysetUrl?: string | undefined;
+    appRoute?: string | undefined;
+    loginRoute?: string | undefined;
+    keysetRoute?: string | undefined;
+    dynregRoute?: string | undefined;
     https?: boolean | undefined;
     ssl?: {
         key: string;
@@ -35,15 +34,47 @@ export interface ProviderOptions {
     cookies?: {
         secure?: boolean | undefined;
         sameSite?: string | undefined;
+        domain?: string | undefined;
     } | undefined;
+    devMode?: boolean | undefined;
+    ltiaas?: boolean | undefined;
+    tokenMaxAge?: number | undefined;
+    dynReg?: {
+        url: string;
+        name: string;
+        logo?: string | undefined;
+        description?: string | undefined;
+        redirectUris?: string[] | undefined;
+        customParameters?: any;
+        autoActivate?: boolean | undefined;
+        useDeepLinking?: boolean | undefined;
+    } | undefined;
+
+    /**
+     * @deprecated Use `appRoute` property instead.
+     */
+    appUrl?: string | undefined;
+    /**
+     * @deprecated Use `loginRoute` property instead.
+     */
+    loginUrl?: string | undefined;
+    /**
+     * @deprecated Use `keysetRoute` property instead.
+     */
+    keysetUrl?: string | undefined;
+}
+
+export interface RequestCallback {
+    // eslint-disable-next-line @typescript-eslint/no-invalid-void-type
+    (request: Request, response: Response, next: NextFunction): Response | void;
 }
 
-export interface OnConnectCallback {
+export interface TokenRequestCallback {
     // eslint-disable-next-line @typescript-eslint/no-invalid-void-type
-    (connection: IdToken, request: Request, response: Response, next: NextFunction): Response | void;
+    (token: IdToken, request: Request, response: Response, next: NextFunction): Response | void;
 }
 
-export interface UnregisteredPlatformCallback {
+export interface FinalRequestCallback {
     // eslint-disable-next-line @typescript-eslint/no-invalid-void-type
     (request: Request, response: Response): Response | void;
 }
@@ -58,6 +89,13 @@ export interface RedirectOptions {
     ignoreRoot?: boolean | undefined;
 }
 
+export type GetPlatformFunction = (
+    url: string,
+    clientId?: string,
+    ENCRYPTIONKEY?: string,
+    Database?: Database,
+) => Promise<Platform[] | Platform | false>;
+
 declare class Provider {
     app: Express;
 
@@ -72,34 +110,53 @@ declare class Provider {
 
     close(): Promise<boolean>;
 
-    onConnect(_connectCallback: OnConnectCallback, options?: OnConnectOptions): true;
+    onConnect(_connectCallback: TokenRequestCallback, options?: OnConnectOptions): true;
 
-    onDeepLinking(_connectCallback: OnConnectCallback, options?: OnConnectOptions): true;
+    onDeepLinking(_deepLinkingCallback: TokenRequestCallback): true;
 
-    onUnregisteredPlatform(_unregisteredPlatformCallback: UnregisteredPlatformCallback): true;
+    onDynamicRegistration(_dynamicRegistrationCallback: RequestCallback): true;
 
-    loginUrl(): string;
+    onSessionTimeout(_sessionTimeoutCallback: FinalRequestCallback): true;
 
-    appUrl(): string;
+    onInvalidToken(_invalidTokenCallback: FinalRequestCallback): true;
 
-    sessionTimeoutUrl(): string;
+    onUnregisteredPlatform(_unregisteredPlatformCallback: FinalRequestCallback): true;
 
-    invalidTokenUrl(): string;
+    appRoute(): string;
 
-    keysetUrl(): string;
+    loginRoute(): string;
+
+    keysetRoute(): string;
+
+    dynRegRoute(): string;
 
     whitelist(...urls: Array<string | { route: string; method: string }>): true;
 
-    registerPlatform(config: PlatformConfig): Promise<Platform | false>;
+    registerPlatform(
+        platform: PlatformConfig,
+        getPlatform?: GetPlatformFunction,
+        ENCRYPTIONKEY?: string,
+        Database?: Database,
+    ): Promise<Platform>;
 
-    getPlatform(url: string): Promise<Platform[] | false>;
-    getPlatform(url: string, clientId: string): Promise<Platform | false>;
+    getPlatform(
+        url: string,
+        clientId?: string,
+        ENCRYPTIONKEY?: string,
+        Database?: Database,
+    ): Promise<Platform[] | Platform | false>;
 
-    deletePlatform(url: string, clientId: string): Promise<boolean>;
+    updatePlatformById(platformId: string, platformInfo: PlatformConfig): Promise<Platform>;
 
-    getAllPlatforms(): Promise<Platform[] | false>;
+    deletePlatform(url: string, clientId: string): Promise<true>;
+
+    getAllPlatforms(): Promise<Platform[]>;
 
     redirect(response: Response, path: string, options?: RedirectOptions): void;
+
+    appUrl(): string;
+    loginUrl(): string;
+    keysetUrl(): string;
 }
 
 declare const defaultProvider: Provider;
diff --git a/types/ltijs/ltijs-tests.ts b/types/ltijs/ltijs-tests.ts
index 287aeddc19b53a..6d93e955bdc27b 100644
--- a/types/ltijs/ltijs-tests.ts
+++ b/types/ltijs/ltijs-tests.ts
@@ -50,11 +50,9 @@ const ltiAdvanced = Provider.setup(
         },
     },
     {
-        appUrl: "/",
-        loginUrl: "/login",
-        sessionTimeoutUrl: "/sessionTimeout",
-        invalidTokenUrl: "/invalidToken",
-        keysetUrl: "/keys",
+        appRoute: "/",
+        loginRoute: "/login",
+        keysetRoute: "/keys",
         staticPath: "/views",
         https: true,
         ssl: {
@@ -72,7 +70,6 @@ const ltiAdvanced = Provider.setup(
 // $ExpectType true
 ltiMinimal.onConnect(
     (connection, request, response) => {
-        console.log(connection.endpoint);
         ltiMinimal.redirect(response, "/main");
     },
     {
@@ -104,7 +101,7 @@ ltiMinimal.deploy(deploymentOptions);
 // $ExpectType Promise<true | undefined>
 ltiAdvanced.deploy({ port: 4040, silent: true });
 
-// $ExpectType Promise<false | Platform>
+// $ExpectType Promise<Platform>
 ltiAdvanced.registerPlatform({
     url: "https://platform.url",
     name: "Platform Name",
@@ -167,13 +164,17 @@ ltiAdvanced.app.get("/any", (request: Request, response: Response) => {
 ltiAdvanced.getPlatform("https://platform.url").then(async (platform) => {
     if (!platform) return;
 
+    const p = Array.isArray(platform) ? platform[0] : platform;
+
     // $expectType string | boolean
-    const name = await platform?.[0]?.platformName();
+    const name = await p.platformName();
 });
 
 ltiAdvanced.getPlatform("https://platform.url", "123").then(async (platform) => {
     if (!platform) return;
 
+    const p = Array.isArray(platform) ? platform[0] : platform;
+
     // $expectType string | boolean
-    const name = await platform.platformName();
+    const name = await p.platformName();
 });
diff --git a/types/ltijs/package.json b/types/ltijs/package.json
index 66719300b89f9f..0ca5b6737cca46 100644
--- a/types/ltijs/package.json
+++ b/types/ltijs/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/ltijs",
-    "version": "4.0.9999",
+    "version": "5.9.9999",
     "projects": [
         "https://cvmcosta.github.io/ltijs"
     ],