Merge branch 'main' into feat/aws-assume-role-setup

Author: VisargD

src/providers/anthropic/api.ts

@@ -2,14 +2,20 @@ import { ProviderAPIConfig } from '../types';
 
 const AnthropicAPIConfig: ProviderAPIConfig = {
   getBaseURL: () => 'https://api.anthropic.com/v1',
-  headers: ({ providerOptions, fn }) => {
+  headers: ({ providerOptions, fn, gatewayRequestBody }) => {
     const headers: Record<string, string> = {
       'X-API-Key': `${providerOptions.apiKey}`,
     };
 
+    // Accept anthropic_beta and anthropic_version in body to support enviroments which cannot send it in headers.
     const betaHeader =
-      providerOptions?.['anthropicBeta'] ?? 'messages-2023-12-15';
-    const version = providerOptions?.['anthropicVersion'] ?? '2023-06-01';
+      providerOptions?.['anthropicBeta'] ??
+      gatewayRequestBody?.['anthropic_beta'] ??
+      'messages-2023-12-15';
+    const version =
+      providerOptions?.['anthropicVersion'] ??
+      gatewayRequestBody?.['anthropic_version'] ??
+      '2023-06-01';
 
     if (fn === 'chatComplete') {
       headers['anthropic-beta'] = betaHeader;

src/types/requestBody.ts

@@ -317,6 +317,9 @@ export interface Params {
   };
   // Google Vertex AI specific
   safety_settings?: any;
+  // Anthropic specific
+  anthropic_beta?: string;
+  anthropic_version?: string;
 }
 
 interface Examples {