diff --git a/src/types/types.ts b/src/types/types.ts
index 7406b88c0..5660935b7 100644
--- a/src/types/types.ts
+++ b/src/types/types.ts
@@ -366,6 +366,7 @@ export type OpenAiEmbedder = {
   documentTemplate?: string;
   dimensions?: number;
   distribution?: Distribution;
+  url?: string;
 };
 
 export type HuggingFaceEmbedder = {
@@ -388,12 +389,10 @@ export type RestEmbedder = {
   apiKey?: string;
   dimensions?: number;
   documentTemplate?: string;
-  inputField?: string[] | null;
-  inputType?: 'text' | 'textArray';
-  query?: Record<string, any> | null;
-  pathToEmbeddings?: string[] | null;
-  embeddingObject?: string[] | null;
   distribution?: Distribution;
+  request: Record<string, any>;
+  response: Record<string, any>;
+  headers?: Record<string, string>;
 };
 
 export type OllamaEmbedder = {
@@ -403,6 +402,7 @@ export type OllamaEmbedder = {
   model?: string;
   documentTemplate?: string;
   distribution?: Distribution;
+  dimensions?: number;
 };
 
 export type Embedder =
diff --git a/tests/embedders.test.ts b/tests/embedders.test.ts
index 73d58745c..68d927d9c 100644
--- a/tests/embedders.test.ts
+++ b/tests/embedders.test.ts
@@ -118,6 +118,7 @@ describe.each([{ permission: 'Master' }, { permission: 'Admin' }])(
             mean: 0.7,
             sigma: 0.3,
           },
+          url: 'https://api.openai.com/v1/embeddings',
         },
       };
       const task: EnqueuedTask = await client
@@ -169,17 +170,25 @@ describe.each([{ permission: 'Master' }, { permission: 'Admin' }])(
           dimensions: 1536,
           documentTemplate:
             "A movie titled '{{doc.title}}' whose description starts with {{doc.overview|truncatewords: 20}}",
-          inputField: ['input'],
-          inputType: 'textArray',
-          query: {
-            model: 'text-embedding-ada-002',
-          },
-          pathToEmbeddings: ['data'],
-          embeddingObject: ['embedding'],
           distribution: {
             mean: 0.7,
             sigma: 0.3,
           },
+          request: {
+            model: 'text-embedding-3-small',
+            input: ['{{text}}', '{{..}}'],
+          },
+          response: {
+            data: [
+              {
+                embedding: '{{embedding}}',
+              },
+              '{{..}}',
+            ],
+          },
+          headers: {
+            'Custom-Header': 'CustomValue',
+          },
         },
       };
       const task: EnqueuedTask = await client
@@ -197,7 +206,7 @@ describe.each([{ permission: 'Master' }, { permission: 'Admin' }])(
       });
     });
 
-    test.skip(`${permission} key: Update embedders with 'ollama' source`, async () => {
+    test(`${permission} key: Update embedders with 'ollama' source`, async () => {
       const client = await getClient(permission);
       const newEmbedder: Embedders = {
         default: {
@@ -210,6 +219,7 @@ describe.each([{ permission: 'Master' }, { permission: 'Admin' }])(
             mean: 0.7,
             sigma: 0.3,
           },
+          dimensions: 512,
         },
       };
       const task: EnqueuedTask = await client