diff --git a/fern/apis/fdr/generators.yml b/fern/apis/fdr/generators.yml
index ff1c6fc868..cb29babb4c 100644
--- a/fern/apis/fdr/generators.yml
+++ b/fern/apis/fdr/generators.yml
@@ -14,7 +14,7 @@ groups:
           noOptionalProperties: true
           useBrandedStringAliases: true
       - name: fernapi/fern-typescript-node-sdk
-        version: 0.40.5
+        version: 0.42.7
         output:
           location: local-file-system
           path: ../../../packages/fdr-sdk/src/client/generated
@@ -27,7 +27,7 @@ groups:
           neverThrowErrors: true
           timeoutInSeconds: infinity
       - name: fernapi/fern-typescript-node-sdk
-        version: 0.40.5
+        version: 0.42.7
         output:
           location: local-file-system
           path: ../../../packages/parsers/src/client/generated
diff --git a/packages/fdr-sdk/src/client/generated/Client.ts b/packages/fdr-sdk/src/client/generated/Client.ts
index f758e62ab6..d0a001be8b 100644
--- a/packages/fdr-sdk/src/client/generated/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/Client.ts
@@ -29,6 +29,8 @@ export declare namespace FernRegistryClient {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/api/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/api/client/Client.ts
index 7979ba9a24..e9c2fb734a 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/api/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/api/client/Client.ts
@@ -19,6 +19,8 @@ export declare namespace Api {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/client/Client.ts
index 057c18ed27..eb45a32244 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace V1 {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/read/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/read/client/Client.ts
index 9eb0de79f0..3a0955ee55 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/read/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/read/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Read {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -48,6 +50,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/register/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/register/client/Client.ts
index c89cdea059..7752d24312 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/register/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/api/resources/v1/resources/register/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Register {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -558,6 +560,7 @@ export class Register {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/diff/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/diff/client/Client.ts
index 5a96962c67..982deee7d2 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/diff/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/diff/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Diff {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -55,6 +57,7 @@ export class Diff {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             queryParameters: _queryParams,
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docs/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docs/client/Client.ts
index 5b95377074..7792b4704a 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docs/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docs/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Docs {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/client/Client.ts
index f464ecc561..c2bf4d6eef 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace V1 {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/read/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/read/client/Client.ts
index 7d53f6d9c6..270e86bc5c 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/read/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/read/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Read {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -53,6 +55,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -109,6 +112,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/write/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/write/client/Client.ts
index 1c5ef567dc..272d624b68 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/write/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v1/resources/write/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Write {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -57,6 +59,7 @@ export class Write {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -432,6 +435,7 @@ export class Write {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/client/Client.ts
index 841cd22fc1..893943eac2 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace V2 {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/read/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/read/client/Client.ts
index edfbda233b..96dd198b06 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/read/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/read/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Read {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -50,6 +52,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -107,6 +110,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -167,6 +171,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -228,6 +233,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -307,6 +313,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             queryParameters: _queryParams,
@@ -367,6 +374,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -426,6 +434,7 @@ export class Read {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/write/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/write/client/Client.ts
index 7c43bc7c6b..6f79369d80 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/write/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docs/resources/v2/resources/write/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Write {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -69,6 +71,7 @@ export class Write {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -147,6 +150,7 @@ export class Write {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -535,6 +539,7 @@ export class Write {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -592,6 +597,7 @@ export class Write {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -649,6 +655,7 @@ export class Write {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/docsCache/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/docsCache/client/Client.ts
index 4cdc13432f..417fbc59a3 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/docsCache/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/docsCache/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace DocsCache {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -50,6 +52,7 @@ export class DocsCache {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/generators/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/generators/client/Client.ts
index ddc6ec48e0..cfc012c0d1 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/generators/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/generators/client/Client.ts
@@ -22,6 +22,8 @@ export declare namespace Generators {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -77,6 +79,7 @@ export class Generators {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -129,6 +132,7 @@ export class Generators {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -176,6 +180,7 @@ export class Generators {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -218,6 +223,7 @@ export class Generators {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/cli/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/cli/client/Client.ts
index 16b824dcf2..6562c643a4 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/cli/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/cli/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Cli {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -58,6 +60,7 @@ export class Cli {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -124,6 +127,7 @@ export class Cli {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -169,6 +173,7 @@ export class Cli {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -256,6 +261,7 @@ export class Cli {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -301,6 +307,7 @@ export class Cli {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -373,6 +380,7 @@ export class Cli {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             queryParameters: _queryParams,
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/versions/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/versions/client/Client.ts
index b0c67b5392..17a5d6b541 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/versions/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/generators/resources/versions/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Versions {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -64,6 +66,7 @@ export class Versions {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -135,6 +138,7 @@ export class Versions {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -216,6 +220,7 @@ export class Versions {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -278,6 +283,7 @@ export class Versions {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -352,6 +358,7 @@ export class Versions {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             queryParameters: _queryParams,
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/git/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/git/client/Client.ts
index 23b26d0bf9..a4b373dc3d 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/git/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/git/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Git {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -57,6 +59,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -107,6 +110,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -179,6 +183,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -228,6 +233,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -278,6 +284,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -330,6 +337,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -412,6 +420,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -463,6 +472,7 @@ export class Git {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/sdks/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/sdks/client/Client.ts
index 52f09c170f..b30cfebb43 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/sdks/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/sdks/client/Client.ts
@@ -19,6 +19,8 @@ export declare namespace Sdks {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/sdks/resources/versions/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/sdks/resources/versions/client/Client.ts
index 68f376ec0e..78c2be463c 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/sdks/resources/versions/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/sdks/resources/versions/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Versions {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -62,6 +64,7 @@ export class Versions {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/snippets/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/snippets/client/Client.ts
index 60f1651ea4..8c21d9f777 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/snippets/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/snippets/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Snippets {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -55,6 +57,7 @@ export class Snippets {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -130,6 +133,7 @@ export class Snippets {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             queryParameters: _queryParams,
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/snippetsFactory/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/snippetsFactory/client/Client.ts
index 4a7666bcb9..4c9476bf14 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/snippetsFactory/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/snippetsFactory/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace SnippetsFactory {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -71,6 +73,7 @@ export class SnippetsFactory {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/templates/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/templates/client/Client.ts
index 0e4aceee70..19f09a08c3 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/templates/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/templates/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Templates {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -102,6 +104,7 @@ export class Templates {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -199,6 +202,7 @@ export class Templates {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -257,6 +261,7 @@ export class Templates {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/api/resources/tokens/client/Client.ts b/packages/fdr-sdk/src/client/generated/api/resources/tokens/client/Client.ts
index b347bd98f9..bc123d31ad 100644
--- a/packages/fdr-sdk/src/client/generated/api/resources/tokens/client/Client.ts
+++ b/packages/fdr-sdk/src/client/generated/api/resources/tokens/client/Client.ts
@@ -20,6 +20,8 @@ export declare namespace Tokens {
         maxRetries?: number;
         /** A hook to abort the request. */
         abortSignal?: AbortSignal;
+        /** Additional headers to include in the request. */
+        headers?: Record<string, string>;
     }
 }
 
@@ -53,6 +55,7 @@ export class Tokens {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
@@ -101,6 +104,7 @@ export class Tokens {
                 "X-Fern-Language": "JavaScript",
                 "X-Fern-Runtime": core.RUNTIME.type,
                 "X-Fern-Runtime-Version": core.RUNTIME.version,
+                ...requestOptions?.headers,
             },
             contentType: "application/json",
             requestType: "json",
diff --git a/packages/fdr-sdk/src/client/generated/core/fetcher/Fetcher.ts b/packages/fdr-sdk/src/client/generated/core/fetcher/Fetcher.ts
index d67bc04210..b8f23717b6 100644
--- a/packages/fdr-sdk/src/client/generated/core/fetcher/Fetcher.ts
+++ b/packages/fdr-sdk/src/client/generated/core/fetcher/Fetcher.ts
@@ -21,7 +21,7 @@ export declare namespace Fetcher {
         withCredentials?: boolean;
         abortSignal?: AbortSignal;
         requestType?: "json" | "file" | "bytes";
-        responseType?: "json" | "blob" | "sse" | "streaming" | "text";
+        responseType?: "json" | "blob" | "sse" | "streaming" | "text" | "arrayBuffer";
         duplex?: "half";
     }
 
diff --git a/packages/fdr-sdk/src/client/generated/core/fetcher/requestWithRetries.ts b/packages/fdr-sdk/src/client/generated/core/fetcher/requestWithRetries.ts
index ff5dc3bbab..8d5af9d5a8 100644
--- a/packages/fdr-sdk/src/client/generated/core/fetcher/requestWithRetries.ts
+++ b/packages/fdr-sdk/src/client/generated/core/fetcher/requestWithRetries.ts
@@ -1,6 +1,13 @@
-const INITIAL_RETRY_DELAY = 1;
-const MAX_RETRY_DELAY = 60;
+const INITIAL_RETRY_DELAY = 1000; // in milliseconds
+const MAX_RETRY_DELAY = 60000; // in milliseconds
 const DEFAULT_MAX_RETRIES = 2;
+const JITTER_FACTOR = 0.2; // 20% random jitter
+
+function addJitter(delay: number): number {
+    // Generate a random value between -JITTER_FACTOR and +JITTER_FACTOR
+    const jitterMultiplier = 1 + (Math.random() * 2 - 1) * JITTER_FACTOR;
+    return delay * jitterMultiplier;
+}
 
 export async function requestWithRetries(
     requestFn: () => Promise<Response>,
@@ -10,8 +17,13 @@ export async function requestWithRetries(
 
     for (let i = 0; i < maxRetries; ++i) {
         if ([408, 409, 429].includes(response.status) || response.status >= 500) {
-            const delay = Math.min(INITIAL_RETRY_DELAY * Math.pow(2, i), MAX_RETRY_DELAY);
-            await new Promise((resolve) => setTimeout(resolve, delay));
+            // Calculate base delay using exponential backoff (in milliseconds)
+            const baseDelay = Math.min(INITIAL_RETRY_DELAY * Math.pow(2, i), MAX_RETRY_DELAY);
+
+            // Add jitter to the delay
+            const delayWithJitter = addJitter(baseDelay);
+
+            await new Promise((resolve) => setTimeout(resolve, delayWithJitter));
             response = await requestFn();
         } else {
             break;
diff --git a/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/StringOrStringList.ts b/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/StringOrStringList.ts
new file mode 100644
index 0000000000..889dcc09ae
--- /dev/null
+++ b/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/StringOrStringList.ts
@@ -0,0 +1,5 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+
+export type StringOrStringList = string | string[];
diff --git a/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/WithMetadataConfig.ts b/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/WithMetadataConfig.ts
index c3003f1cc1..2fcc58fe74 100644
--- a/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/WithMetadataConfig.ts
+++ b/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/WithMetadataConfig.ts
@@ -23,4 +23,5 @@ export interface WithMetadataConfig {
     "twitter:card": FernRegistry.docs.latest.TwitterCardSetting | undefined;
     noindex: boolean | undefined;
     nofollow: boolean | undefined;
+    keywords: FernRegistry.docs.latest.StringOrStringList | undefined;
 }
diff --git a/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/index.ts b/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/index.ts
index 94b0b71bca..5018117b38 100644
--- a/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/index.ts
+++ b/packages/parsers/src/client/generated/api/resources/docs/resources/latest/resources/seo/types/index.ts
@@ -1,4 +1,5 @@
 export * from "./WithMetadataConfig";
+export * from "./StringOrStringList";
 export * from "./WithJsonLdBreadcrumbs";
 export * from "./JsonLdBreadcrumbListElement";
 export * from "./JsonLdBreadcrumbList";
diff --git a/packages/ui/fern-docs-search-server/package.json b/packages/ui/fern-docs-search-server/package.json
index d8c0777b07..d269fbdaf0 100644
--- a/packages/ui/fern-docs-search-server/package.json
+++ b/packages/ui/fern-docs-search-server/package.json
@@ -68,7 +68,6 @@
     "eslint": "^8.56.0",
     "organize-imports-cli": "^0.10.0",
     "prettier": "^3.3.2",
-    "server-only": "^0.0.1",
     "stylelint": "^16.1.0",
     "typescript": "5.4.3",
     "vitest": "^2.1.4"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7a0e2e5047..997cf51a96 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -2417,9 +2417,6 @@ importers:
       prettier:
         specifier: ^3.3.2
         version: 3.3.2
-      server-only:
-        specifier: ^0.0.1
-        version: 0.0.1
       stylelint:
         specifier: ^16.1.0
         version: 16.5.0(typescript@5.4.3)