diff --git a/ui/app/services/path-help.js b/ui/app/services/path-help.js
index 8e51da5a5..1b2f94142 100644
--- a/ui/app/services/path-help.js
+++ b/ui/app/services/path-help.js
@@ -13,6 +13,7 @@ import fieldToAttrs from 'vault/utils/field-to-attrs';
 import { resolve, reject } from 'rsvp';
 import { debug } from '@ember/debug';
 import { dasherize, capitalize } from '@ember/string';
+import { computed } from '@ember/object'; // eslint-disable-line
 import { singularize } from 'ember-inflector';
 import { withModelValidations } from 'vault/decorators/model-validations';
 
@@ -270,7 +271,7 @@ export default Service.extend({
       },
 
       urlForCreateRecord(modelType, snapshot) {
-        const { id } = snapshot;
+        const id = snapshot.record.mutableId; // computed property that returns either id or private settable _id value
         const path = createPath.path.slice(1, createPath.path.indexOf('{') - 1);
         return `${this.buildURL()}/${apiPath}${path}/${id}`;
       },
@@ -279,6 +280,17 @@ export default Service.extend({
         const path = deletePath.path.slice(1, deletePath.path.indexOf('{') - 1);
         return `${this.buildURL()}/${apiPath}${path}/${id}`;
       },
+
+      createRecord(store, type, snapshot) {
+        return this._super(...arguments).then((response) => {
+          // if the server does not return an id and one has not been set on the model we need to set it manually from the mutableId value
+          if (!response?.id && !snapshot.record.id) {
+            snapshot.record.id = snapshot.record.mutableId;
+            snapshot.id = snapshot.record.id;
+          }
+          return response;
+        });
+      },
     });
   },
 
@@ -302,7 +314,8 @@ export default Service.extend({
             const validations = fieldGroups.reduce((obj, element) => {
               if (element.default) {
                 element.default.forEach((v) => {
-                  obj[v.name] = [{ type: 'presence', message: `${v.name} can't be black` }];
+                  const key = v.options.fieldValue || v.name;
+                  obj[key] = [{ type: 'presence', message: `${v.name} can't be blank` }];
                 });
               }
               return obj;
@@ -315,6 +328,18 @@ export default Service.extend({
       } catch (err) {
         // eat the error, fieldGroups is computed in the model definition
       }
+      // attempting to set the id prop on a model will trigger an error
+      // this computed will be used in place of the the id fieldValue -- see openapi-to-attrs
+      newModel.reopen({
+        mutableId: computed('id', '_id', {
+          get() {
+            return this._id || this.id;
+          },
+          set(key, value) {
+            return (this._id = value);
+          },
+        }),
+      });
       newModel.reopenClass({ merged: true });
       owner.unregister(modelName);
       owner.register(modelName, newModel);
diff --git a/ui/app/utils/openapi-to-attrs.js b/ui/app/utils/openapi-to-attrs.js
index 633a46339..4672e1471 100644
--- a/ui/app/utils/openapi-to-attrs.js
+++ b/ui/app/utils/openapi-to-attrs.js
@@ -29,7 +29,7 @@ export const expandOpenApiProps = function (props) {
       editType,
       helpText: description,
       possibleValues: prop['enum'],
-      fieldValue: isId ? 'id' : null,
+      fieldValue: isId ? 'mutableId' : null,
       fieldGroup: group || 'default',
       readOnly: isId,
       defaultValue: value || null,
diff --git a/ui/lib/core/addon/templates/components/field-group-show.hbs b/ui/lib/core/addon/templates/components/field-group-show.hbs
index a9d50800a..f82c0e389 100644
--- a/ui/lib/core/addon/templates/components/field-group-show.hbs
+++ b/ui/lib/core/addon/templates/components/field-group-show.hbs
@@ -3,7 +3,7 @@
     {{#each-in fieldGroup as |group fields|}}
       {{#if (or (eq group "default") (eq group "Options"))}}
         {{#each fields as |attr|}}
-          {{#if (not-eq attr.options.fieldValue "id")}}
+          {{#if (not (includes attr.options.fieldValue (array "id" "mutableId")))}}
             <InfoTableRow
               @alwaysRender={{this.showAllFields}}
               @label={{capitalize (or attr.options.label (humanize (dasherize attr.name)))}}
diff --git a/ui/tests/unit/services/path-helper-test.js b/ui/tests/unit/services/path-helper-test.js
new file mode 100644
index 000000000..42f339b6e
--- /dev/null
+++ b/ui/tests/unit/services/path-helper-test.js
@@ -0,0 +1,73 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+import { setupMirage } from 'ember-cli-mirage/test-support';
+
+const openapiStub = {
+  openapi: {
+    components: {
+      schemas: {
+        UsersRequest: {
+          type: 'object',
+          properties: {
+            password: {
+              description: 'Password for the user',
+              type: 'string',
+              'x-vault-displayAttrs': { sensitive: true },
+            },
+          },
+        },
+      },
+    },
+    paths: {
+      '/users/{username}': {
+        post: {
+          requestBody: {
+            content: {
+              'application/json': {
+                schema: { $ref: '#/components/schemas/UsersRequest' },
+              },
+            },
+          },
+        },
+        parameters: [
+          {
+            description: 'Username for this user.',
+            in: 'path',
+            name: 'username',
+            required: true,
+            schema: { type: 'string' },
+          },
+        ],
+        'x-vault-displayAttrs': { itemType: 'User', action: 'Create' },
+      },
+    },
+  },
+};
+
+module('Unit | Service | path-help', function (hooks) {
+  setupTest(hooks);
+  setupMirage(hooks);
+
+  hooks.beforeEach(function () {
+    this.pathHelp = this.owner.lookup('service:path-help');
+    this.store = this.owner.lookup('service:store');
+  });
+
+  test('it should generate model with mutableId', async function (assert) {
+    assert.expect(2);
+
+    this.server.get('/auth/userpass/', () => openapiStub);
+    this.server.get('/auth/userpass/users/example', () => openapiStub);
+    this.server.post('/auth/userpass/users/test', () => {
+      assert.ok(true, 'POST request made to correct endpoint');
+      return;
+    });
+
+    const modelType = 'generated-user-userpass';
+    await this.pathHelp.getNewModel(modelType, 'userpass', 'auth/userpass/', 'user');
+    const model = this.store.createRecord(modelType);
+    model.set('mutableId', 'test');
+    await model.save();
+    assert.equal(model.get('id'), 'test', 'model id is set to mutableId value on save success');
+  });
+});