diff --git a/types/forge-apis/forge-apis-tests.ts b/types/forge-apis/forge-apis-tests.ts
index 91037adfc94464..15d23cfe5b9c13 100644
--- a/types/forge-apis/forge-apis-tests.ts
+++ b/types/forge-apis/forge-apis-tests.ts
@@ -11,10 +11,14 @@ import {
     ItemsApi,
     ObjectsApi,
     ProjectsApi,
+    setDebug,
     UserProfileApi,
     VersionsApi,
 } from "forge-apis";
 
+// $ExpectType void
+setDebug(true);
+
 const authToken: AuthToken = {
     access_token: "",
     expires_in: 0,
diff --git a/types/forge-apis/index.d.ts b/types/forge-apis/index.d.ts
index e8c65973be57fb..191b06f5083808 100644
--- a/types/forge-apis/index.d.ts
+++ b/types/forge-apis/index.d.ts
@@ -15,6 +15,11 @@
 
 /// <reference types="node" />
 
+/**
+ * Optionally enable debugging, which sets `isDebugMode` on the shared `ApiClient` instance.
+ */
+export function setDebug(isDebug: boolean): void;
+
 /**
  * https://forge.autodesk.com/en/docs/oauth/v2/developers_guide/scopes
  */
diff --git a/types/sharetribe-flex-integration-sdk/index.d.ts b/types/sharetribe-flex-integration-sdk/index.d.ts
index 39bc42df7d789d..4d1e7814c28973 100644
--- a/types/sharetribe-flex-integration-sdk/index.d.ts
+++ b/types/sharetribe-flex-integration-sdk/index.d.ts
@@ -240,6 +240,80 @@ export interface Message {
     relationships: MessageRelationships;
 }
 
+/**
+ * Lifecycle state of a file resource
+ */
+export type FileState = "pendingUpload" | "pendingVerification" | "available" | "verificationFailed";
+
+/**
+ * A single automatic verification check performed on a file (e.g. `{ type: "malwareScan", result: "success" }`)
+ */
+export interface FileVerificationCheck {
+    type: string;
+    result: string;
+}
+
+/**
+ * File attributes
+ */
+export interface FileAttributes {
+    name: string;
+    size: number;
+    state: FileState;
+    verificationChecks: FileVerificationCheck[];
+    requiredVerificationChecks: string[];
+    createdAt: string;
+    stateUpdatedAt: string;
+    deleted: boolean;
+}
+
+/**
+ * File relationships
+ */
+export interface FileRelationships {
+    owner: {
+        data: ResourceReference;
+    };
+    marketplace: {
+        data: ResourceReference;
+    };
+}
+
+/**
+ * File resource
+ */
+export interface File {
+    id: UUID;
+    type: "file";
+    attributes: FileAttributes;
+    relationships: FileRelationships;
+}
+
+/**
+ * File attachment relationships. The `message` relationship is only present when the file is attached to a message.
+ */
+export interface FileAttachmentRelationships {
+    file: {
+        data: ResourceReference;
+    };
+    message?: {
+        data: ResourceReference;
+    };
+}
+
+/**
+ * File attachment resource (links a file to a transaction message)
+ */
+export interface FileAttachment {
+    id: UUID;
+    type: "fileAttachment";
+    attributes: {
+        scope: "public";
+        deleted: boolean;
+    };
+    relationships: FileAttachmentRelationships;
+}
+
 /**
  * Event attributes
  */
@@ -527,6 +601,13 @@ export interface IntegrationSdk {
             },
             options?: PerRequestOptions,
         ) => Promise<MutationResponse<User>>;
+        /**
+         * Mark a user's email as verified. The email must match the user's primary email or pending email.
+         */
+        verifyEmail: (
+            params: { id: UUID | string; email: string },
+            options?: PerRequestOptions,
+        ) => Promise<MutationResponse<User>>;
     };
 
     listings: {
@@ -742,6 +823,55 @@ export interface IntegrationSdk {
         show: (params: { id: UUID | string } & BaseQueryParams) => Promise<ShowResponse<StockReservation>>;
     };
 
+    messages: {
+        /**
+         * Query messages. Either `transactionId` or `ids` must be provided.
+         */
+        query: (
+            params:
+                & (
+                    | { transactionId: UUID | string; ids?: Array<UUID | string> }
+                    | { transactionId?: UUID | string; ids: Array<UUID | string> }
+                )
+                & PaginationParams
+                & BaseQueryParams,
+        ) => Promise<QueryResponse<Message>>;
+    };
+
+    files: {
+        /**
+         * Query files
+         */
+        query: (
+            params?:
+                & {
+                    ids?: Array<UUID | string>;
+                    messageId?: UUID | string;
+                    ownerId?: UUID | string;
+                    createdAtStart?: Date | string;
+                    createdAtEnd?: Date | string;
+                }
+                & PaginationParams
+                & BaseQueryParams,
+        ) => Promise<QueryResponse<File>>;
+    };
+
+    fileAttachments: {
+        /**
+         * Query file attachments
+         */
+        query: (
+            params?:
+                & {
+                    ids?: Array<UUID | string>;
+                    fileIds?: Array<UUID | string>;
+                    messageId?: UUID | string;
+                }
+                & PaginationParams
+                & BaseQueryParams,
+        ) => Promise<QueryResponse<FileAttachment>>;
+    };
+
     /**
      * Revoke authentication token
      */
diff --git a/types/sharetribe-flex-integration-sdk/package.json b/types/sharetribe-flex-integration-sdk/package.json
index 90be71f1ea2376..c740f577329982 100644
--- a/types/sharetribe-flex-integration-sdk/package.json
+++ b/types/sharetribe-flex-integration-sdk/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/sharetribe-flex-integration-sdk",
-    "version": "1.11.9999",
+    "version": "1.13.9999",
     "projects": [
         "https://github.com/sharetribe/flex-integration-sdk-js"
     ],
diff --git a/types/sharetribe-flex-integration-sdk/sharetribe-flex-integration-sdk-tests.ts b/types/sharetribe-flex-integration-sdk/sharetribe-flex-integration-sdk-tests.ts
index 97ad6c98a6d747..c2b00c9012596e 100644
--- a/types/sharetribe-flex-integration-sdk/sharetribe-flex-integration-sdk-tests.ts
+++ b/types/sharetribe-flex-integration-sdk/sharetribe-flex-integration-sdk-tests.ts
@@ -110,5 +110,48 @@ sdk.stockAdjustments.create({
     const adjustmentId: string = response.data.data.id.uuid;
 });
 
+// Mark a user's email as verified (added in integration-sdk 1.12)
+sdk.users.verifyEmail({
+    id: "user-id",
+    email: "test@example.com",
+}).then((response) => {
+    const userId: string = response.data.data.id.uuid;
+});
+
+// Query messages by transaction or by ids (added in integration-sdk 1.13)
+sdk.messages.query({ transactionId: "transaction-id" }).then((response) => {
+    const firstMessage = response.data.data[0];
+    if (firstMessage) {
+        const content: string = firstMessage.attributes.content;
+    }
+});
+sdk.messages.query({ ids: ["message-id"], include: ["sender"] }).then((response) => {
+    const totalPages: number = response.data.meta.totalPages;
+});
+
+// Query files with the supported filters (added in integration-sdk 1.13)
+sdk.files.query({
+    ownerId: "user-id",
+    messageId: "message-id",
+    ids: ["file-id"],
+    createdAtStart: new Date("2024-01-01T00:00:00.000Z"),
+    createdAtEnd: "2024-12-31T23:59:59.000Z",
+    include: ["owner"],
+}).then((response) => {
+    const firstFile = response.data.data[0];
+    if (firstFile) {
+        const state: string = firstFile.attributes.state;
+        const ownerRef: string = firstFile.relationships.owner.data.id.uuid;
+    }
+});
+
+// Query file attachments by message or file ids (added in integration-sdk 1.13)
+sdk.fileAttachments.query({ messageId: "message-id", fileIds: ["file-id"], include: ["file"] }).then((response) => {
+    const firstAttachment = response.data.data[0];
+    if (firstAttachment) {
+        const scope: "public" = firstAttachment.attributes.scope;
+    }
+});
+
 const rateLimiterConfig = util.prodQueryLimiterConfig;
 const rateLimiter = util.createRateLimiter(rateLimiterConfig);
diff --git a/types/sharetribe-flex-sdk/index.d.ts b/types/sharetribe-flex-sdk/index.d.ts
index aa0cef162657e6..d2514c8ba23b10 100644
--- a/types/sharetribe-flex-sdk/index.d.ts
+++ b/types/sharetribe-flex-sdk/index.d.ts
@@ -544,6 +544,100 @@ export interface StripeCustomer {
     attributes: StripeCustomerAttributes;
 }
 
+/**
+ * Lifecycle state of a file resource
+ */
+export type FileState = "pendingUpload" | "pendingVerification" | "available" | "verificationFailed";
+
+/**
+ * Attributes of a file owned by the current user
+ */
+export interface OwnFileAttributes {
+    name: string;
+    size: number;
+    state: FileState;
+    createdAt: string;
+    stateUpdatedAt: string;
+}
+
+/**
+ * A file owned by the current user
+ */
+export interface OwnFile {
+    id: UUID;
+    type: "ownFile";
+    attributes: OwnFileAttributes;
+}
+
+/**
+ * Attributes of a file accessible to the current user (e.g. attached to a transaction)
+ */
+export interface FileAttributes {
+    name: string;
+    size: number;
+    state: FileState;
+    deleted: boolean;
+}
+
+/**
+ * A file accessible to the current user (e.g. attached to a transaction)
+ */
+export interface File {
+    id: UUID;
+    type: "file";
+    attributes: FileAttributes;
+}
+
+/**
+ * A presigned upload target returned by `sdk.fileUploads.create()`
+ */
+export interface FileUpload {
+    id: UUID;
+    type: "fileUpload";
+    attributes: {
+        fileId: UUID;
+        url: string;
+        method: string;
+        headers: Record<string, string>;
+        expiresAt: string;
+    };
+}
+
+/**
+ * A short-lived download URL for a file owned by the current user
+ */
+export interface OwnFileDownload {
+    id: UUID;
+    type: "ownFileDownload";
+    attributes: {
+        fileId: UUID;
+        url: string;
+        expiresAt: string;
+    };
+}
+
+/**
+ * A short-lived download URL for a file accessible to the current user
+ */
+export interface FileDownload {
+    id: UUID;
+    type: "fileDownload";
+    attributes: {
+        fileId: UUID;
+        url: string;
+        expiresAt: string;
+    };
+}
+
+/**
+ * File metadata extracted by `file.metadata()`, suitable for `sdk.ownFiles.create()`
+ */
+export interface FileMetadata {
+    name: string;
+    mimeType: string;
+    size: number;
+}
+
 /**
  * Common query parameters for GET requests
  */
@@ -1182,6 +1276,61 @@ export interface MarketplaceSdk {
         queryAssets: (params?: PaginationParams) => Promise<QueryResponse>;
     };
 
+    ownFiles: {
+        /**
+         * Register a file with the Marketplace API (first step of the upload flow)
+         */
+        create: (
+            params: { name: string; mimeType: string; size: number },
+            queryParams?: { expand?: boolean },
+            opts?: PerRequestOptions,
+        ) => Promise<MutationResponse<OwnFile>>;
+        /**
+         * Show a file owned by the current user
+         */
+        show: (params: { id: UUID | string } & BaseQueryParams) => Promise<ShowResponse<OwnFile>>;
+    };
+
+    files: {
+        /**
+         * Show a file accessible to the current user
+         */
+        show: (params: { id: UUID | string } & BaseQueryParams) => Promise<ShowResponse<File>>;
+    };
+
+    fileUploads: {
+        /**
+         * Request a presigned upload URL for a registered file
+         */
+        create: (
+            params: { fileId: UUID | string },
+            queryParams?: { expand?: boolean },
+            opts?: PerRequestOptions,
+        ) => Promise<MutationResponse<FileUpload>>;
+    };
+
+    ownFileDownloads: {
+        /**
+         * Request a short-lived download URL for a file owned by the current user
+         */
+        create: (
+            params: { fileId: UUID | string },
+            queryParams?: { expand?: boolean },
+            opts?: PerRequestOptions,
+        ) => Promise<MutationResponse<OwnFileDownload>>;
+    };
+
+    fileDownloads: {
+        /**
+         * Request a short-lived download URL for a file accessible to the current user
+         */
+        create: (
+            params: { fileId: UUID | string },
+            queryParams?: { expand?: boolean },
+            opts?: PerRequestOptions,
+        ) => Promise<MutationResponse<FileDownload>>;
+    };
+
     /**
      * Authentication methods
      */
@@ -1222,3 +1371,44 @@ export interface SdkConfig {
  * @returns Configured SDK instance
  */
 export function createInstance(config: SdkConfig): MarketplaceSdk;
+
+/**
+ * Query string utilities
+ */
+export namespace util {
+    /**
+     * Serialize an object into a Sharetribe query string fragment, e.g. `{ a: "foo", b: 150 }` => `"a:foo;b:150"`.
+     * Used for parameters such as `meta_*` query filters.
+     */
+    function objectQueryString(obj: Record<string, unknown>): string;
+    /**
+     * Serialize query parameters into a URL query string, handling Sharetribe types such as `UUID` and `LatLng`.
+     * Parameters may be passed as a string, an object, or an array combining the two.
+     */
+    function queryString(
+        params: string | Record<string, unknown> | Array<string | Record<string, unknown>>,
+    ): string;
+}
+
+/**
+ * Helpers for the file upload flow
+ */
+export namespace file {
+    /**
+     * Extract the metadata needed for `sdk.ownFiles.create()` from a browser `File` object.
+     * @param file - A browser `File` object, e.g. from an `<input type="file">` element
+     */
+    function metadata(file: unknown): FileMetadata;
+    /**
+     * Upload a file directly to cloud storage using a presigned URL obtained from
+     * `sdk.fileUploads.create()`. This bypasses the SDK interceptor pipeline.
+     * @returns A promise that resolves when the upload is complete
+     */
+    function upload(params: {
+        url: string;
+        file: unknown;
+        method?: string;
+        headers?: Record<string, string>;
+        onUploadProgress?: (progressEvent: unknown) => void;
+    }): Promise<unknown>;
+}
diff --git a/types/sharetribe-flex-sdk/package.json b/types/sharetribe-flex-sdk/package.json
index 628a81767a35b4..64a82346dfd49c 100644
--- a/types/sharetribe-flex-sdk/package.json
+++ b/types/sharetribe-flex-sdk/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/sharetribe-flex-sdk",
-    "version": "1.22.9999",
+    "version": "1.24.9999",
     "projects": [
         "https://github.com/sharetribe/flex-sdk-js"
     ],
diff --git a/types/sharetribe-flex-sdk/sharetribe-flex-sdk-tests.ts b/types/sharetribe-flex-sdk/sharetribe-flex-sdk-tests.ts
index 1fb9a73a25fd19..294e0f2b12838f 100644
--- a/types/sharetribe-flex-sdk/sharetribe-flex-sdk-tests.ts
+++ b/types/sharetribe-flex-sdk/sharetribe-flex-sdk-tests.ts
@@ -1,4 +1,13 @@
-import { createInstance, Marketplace, ShowResponse } from "sharetribe-flex-sdk";
+import {
+    createInstance,
+    file,
+    FileUpload,
+    Marketplace,
+    MutationResponse,
+    OwnFile,
+    ShowResponse,
+    util,
+} from "sharetribe-flex-sdk";
 
 const sdk = createInstance({ clientId: "client-id" });
 
@@ -11,3 +20,25 @@ sdk.assetByAlias({ path: "/assets", alias: "logo" }).then((result: { status?: nu
     const status: number | undefined = result.status;
     const data: unknown = result.data;
 });
+
+// File upload flow (added in flex-sdk 1.24)
+const meta = file.metadata("file-like-object");
+const fileName: string = meta.name;
+
+sdk.ownFiles.create({ name: meta.name, mimeType: meta.mimeType, size: meta.size }).then(
+    (response: MutationResponse<OwnFile>) => {
+        const fileId = response.data.data.id;
+        return sdk.fileUploads.create({ fileId }).then((uploadResponse: MutationResponse<FileUpload>) => {
+            const { method, url, headers } = uploadResponse.data.data.attributes;
+            return file.upload({ method, url, headers, file: "file-like-object" });
+        });
+    },
+);
+
+sdk.fileDownloads.create({ fileId: "a5d04285-07da-4fa0-b80b-ebabb8bac9e5" }).then(response => {
+    const downloadUrl: string = response.data.data.attributes.url;
+});
+
+// Query string utilities (added in flex-sdk 1.23)
+const qs: string = util.queryString({ ok: true });
+const oqs: string = util.objectQueryString({ a: "foo", b: 150 });