diff --git a/package.json b/package.json
index 39a5d23..51d9969 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "cohere-ai",
-    "version": "7.3.0",
+    "version": "7.4.0",
     "private": false,
     "repository": "https://github.com/cohere-ai/cohere-typescript",
     "main": "./index.js",
diff --git a/src/Client.ts b/src/Client.ts
index 368b1cf..e9016b2 100644
--- a/src/Client.ts
+++ b/src/Client.ts
@@ -44,7 +44,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             body: {
                 ...(await serializers.ChatStreamRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" })),
@@ -87,7 +87,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: {
@@ -148,7 +148,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.GenerateRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
@@ -217,7 +217,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.EmbedRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
@@ -280,7 +280,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.RerankRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
@@ -339,7 +339,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.ClassifyRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
@@ -402,7 +402,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.DetectLanguageRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
@@ -458,7 +458,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.SummarizeRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
@@ -516,7 +516,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.TokenizeRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
@@ -579,7 +579,7 @@ export class CohereClient {
                 Authorization: await this._getAuthorizationHeader(),
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-SDK-Name": "cohere-ai",
-                "X-Fern-SDK-Version": "7.3.0",
+                "X-Fern-SDK-Version": "7.4.0",
             },
             contentType: "application/json",
             body: await serializers.DetokenizeRequest.jsonOrThrow(request, { unrecognizedObjectKeys: "strip" }),
diff --git a/src/api/types/ChatDocument.ts b/src/api/types/ChatDocument.ts
index 62d55e7..2adb94e 100644
--- a/src/api/types/ChatDocument.ts
+++ b/src/api/types/ChatDocument.ts
@@ -9,7 +9,4 @@
  * passed to the model.
  *
  */
-export interface ChatDocument {
-    /** Unique identifier for this document. */
-    id?: string;
-}
+export type ChatDocument = Record<string, string>;
diff --git a/src/serialization/client/requests/ChatRequest.ts b/src/serialization/client/requests/ChatRequest.ts
index 797a2f0..e885eac 100644
--- a/src/serialization/client/requests/ChatRequest.ts
+++ b/src/serialization/client/requests/ChatRequest.ts
@@ -27,7 +27,7 @@ export const ChatRequest: core.serialization.Schema<serializers.ChatRequest.Raw,
             .optional(),
         searchQueriesOnly: core.serialization.property("search_queries_only", core.serialization.boolean().optional()),
         documents: core.serialization
-            .list(core.serialization.lazyObject(async () => (await import("../..")).ChatDocument))
+            .list(core.serialization.lazy(async () => (await import("../..")).ChatDocument))
             .optional(),
         citationQuality: core.serialization.property(
             "citation_quality",
diff --git a/src/serialization/client/requests/ChatStreamRequest.ts b/src/serialization/client/requests/ChatStreamRequest.ts
index 226b491..4c72310 100644
--- a/src/serialization/client/requests/ChatStreamRequest.ts
+++ b/src/serialization/client/requests/ChatStreamRequest.ts
@@ -27,7 +27,7 @@ export const ChatStreamRequest: core.serialization.Schema<serializers.ChatStream
             .optional(),
         searchQueriesOnly: core.serialization.property("search_queries_only", core.serialization.boolean().optional()),
         documents: core.serialization
-            .list(core.serialization.lazyObject(async () => (await import("../..")).ChatDocument))
+            .list(core.serialization.lazy(async () => (await import("../..")).ChatDocument))
             .optional(),
         citationQuality: core.serialization.property(
             "citation_quality",
diff --git a/src/serialization/types/ChatDocument.ts b/src/serialization/types/ChatDocument.ts
index de1dabc..e702352 100644
--- a/src/serialization/types/ChatDocument.ts
+++ b/src/serialization/types/ChatDocument.ts
@@ -6,13 +6,9 @@ import * as serializers from "..";
 import * as Cohere from "../../api";
 import * as core from "../../core";
 
-export const ChatDocument: core.serialization.ObjectSchema<serializers.ChatDocument.Raw, Cohere.ChatDocument> =
-    core.serialization.object({
-        id: core.serialization.string().optional(),
-    });
+export const ChatDocument: core.serialization.Schema<serializers.ChatDocument.Raw, Cohere.ChatDocument> =
+    core.serialization.record(core.serialization.string(), core.serialization.string());
 
 export declare namespace ChatDocument {
-    interface Raw {
-        id?: string | null;
-    }
+    type Raw = Record<string, string>;
 }
diff --git a/src/serialization/types/ChatSearchResultsEvent.ts b/src/serialization/types/ChatSearchResultsEvent.ts
index ea97a2b..2ae866d 100644
--- a/src/serialization/types/ChatSearchResultsEvent.ts
+++ b/src/serialization/types/ChatSearchResultsEvent.ts
@@ -15,9 +15,7 @@ export const ChatSearchResultsEvent: core.serialization.ObjectSchema<
             "search_results",
             core.serialization.list(core.serialization.lazyObject(async () => (await import("..")).ChatSearchResult))
         ),
-        documents: core.serialization.list(
-            core.serialization.lazyObject(async () => (await import("..")).ChatDocument)
-        ),
+        documents: core.serialization.list(core.serialization.lazy(async () => (await import("..")).ChatDocument)),
     })
     .extend(core.serialization.lazyObject(async () => (await import("..")).ChatStreamEvent));
 
diff --git a/src/serialization/types/NonStreamedChatResponse.ts b/src/serialization/types/NonStreamedChatResponse.ts
index ddc3c6d..1888363 100644
--- a/src/serialization/types/NonStreamedChatResponse.ts
+++ b/src/serialization/types/NonStreamedChatResponse.ts
@@ -16,7 +16,7 @@ export const NonStreamedChatResponse: core.serialization.ObjectSchema<
         .list(core.serialization.lazyObject(async () => (await import("..")).ChatCitation))
         .optional(),
     documents: core.serialization
-        .list(core.serialization.lazyObject(async () => (await import("..")).ChatDocument))
+        .list(core.serialization.lazy(async () => (await import("..")).ChatDocument))
         .optional(),
     searchQueries: core.serialization.property(
         "search_queries",