diff --git a/spec/src/modules/recommendations.js b/spec/src/modules/recommendations.js
index 623db82f..863f68e9 100644
--- a/spec/src/modules/recommendations.js
+++ b/spec/src/modules/recommendations.js
@@ -232,6 +232,26 @@ describe(`ConstructorIO - Recommendations${bundledDescriptionSuffix}`, () => {
       });
     });
 
+    it('Should return a response with valid itemIds, and fmtOptions', (done) => {
+      const hiddenFields = ['testField', 'hiddenField2'];
+      const fmtOptions = { hidden_fields: hiddenFields };
+      const { recommendations } = new ConstructorIO({
+        apiKey: testApiKey,
+        fetch: fetchSpy,
+      });
+
+      recommendations.getRecommendations(podId, { itemIds, fmtOptions }).then((res) => {
+        const requestedUrlParams = helpers.extractUrlParamsFromFetch(fetchSpy);
+
+        expect(res).to.have.property('request').to.be.an('object');
+        expect(res).to.have.property('response').to.be.an('object');
+        expect(res).to.have.property('result_id').to.be.an('string');
+        expect(res.request.fmt_options.hidden_fields).to.eql(hiddenFields);
+        expect(requestedUrlParams.fmt_options).to.have.property('hidden_fields').to.eql(hiddenFields);
+        done();
+      });
+    });
+
     it('Should return a response with valid itemIds, and numResults', (done) => {
       const numResults = 2;
       const { recommendations } = new ConstructorIO({
diff --git a/src/modules/recommendations.js b/src/modules/recommendations.js
index 8c2dfe0f..1ea7af7f 100644
--- a/src/modules/recommendations.js
+++ b/src/modules/recommendations.js
@@ -36,6 +36,7 @@ function createRecommendationsUrl(podId, parameters, options) {
       variationsMap,
       hiddenFields,
       preFilterExpression,
+      fmtOptions,
     } = parameters;
 
     // Pull num results number from parameters
@@ -63,6 +64,11 @@ function createRecommendationsUrl(podId, parameters, options) {
       queryParams.filters = filters;
     }
 
+    // Pull format options from parameters
+    if (fmtOptions) {
+      queryParams.fmt_options = fmtOptions;
+    }
+
     // Pull hidden fields from parameters
     if (hiddenFields) {
       if (queryParams.fmt_options) {
@@ -117,6 +123,7 @@ class Recommendations {
    * @param {object} [parameters.filters] - Key / value mapping of filters used to refine results
    * @param {object} [parameters.variationsMap] - The variations map object to aggregate variations. Please refer to https://docs.constructor.com/reference/shared-variations-mapping for details
    * @param {object} [parameters.preFilterExpression] - Faceting expression to scope search results. Please refer to https://docs.constructor.com/reference/configuration-collections
+   * @param {object} [parameters.fmtOptions] - An object containing options to format different aspects of the response. Please refer to https://docs.constructor.com/reference/v1-recommendations-get-pod-results for details
    * @param {string[]} [parameters.hiddenFields] - Hidden metadata fields to return
    * @param {object} [networkParameters] - Parameters relevant to the network request
    * @param {number} [networkParameters.timeout] - Request timeout (in milliseconds)
diff --git a/src/types/recommendations.d.ts b/src/types/recommendations.d.ts
index 5c0a997a..9e0cd33c 100644
--- a/src/types/recommendations.d.ts
+++ b/src/types/recommendations.d.ts
@@ -1,4 +1,4 @@
-import { ConstructorClientOptions, NetworkParameters, VariationsMap, FilterExpression } from '.';
+import { ConstructorClientOptions, NetworkParameters, VariationsMap, FilterExpression, FmtOptions } from '.';
 import EventDispatcher from './event-dispatcher';
 
 export default Recommendations;
@@ -12,6 +12,7 @@ export interface RecommendationsParameters {
   variationsMap?: VariationsMap;
   hiddenFields?: string[];
   preFilterExpression?: FilterExpression;
+  fmtOptions?: FmtOptions;
 }
 
 declare class Recommendations {