diff --git a/fittrackee_client/src/components/Administration/AdminUsers.vue b/fittrackee_client/src/components/Administration/AdminUsers.vue
index bf4a56d6..022f2f07 100644
--- a/fittrackee_client/src/components/Administration/AdminUsers.vue
+++ b/fittrackee_client/src/components/Administration/AdminUsers.vue
@@ -7,8 +7,8 @@
           {{ $t('admin.BACK_TO_ADMIN') }}
         </button>
         <AdminUsersSelects
-          :sort="sort"
-          :order_by="order_by"
+          :sort="sortList"
+          :order_by="orderByList"
           :query="query"
           @updateSelect="reloadUsers"
         />
@@ -135,6 +135,7 @@
   import { IPagination, TPaginationPayload } from '@/types/api'
   import { IUserProfile } from '@/types/user'
   import { useStore } from '@/use/useStore'
+  import { getQuery, sortList } from '@/utils/api'
   import { getDateWithTZ } from '@/utils/dates'
 
   export default defineComponent({
@@ -149,14 +150,16 @@
       const route = useRoute()
       const router = useRouter()
 
-      const sort: string[] = ['asc', 'desc']
-      const order_by: string[] = [
+      const orderByList: string[] = [
         'admin',
         'created_at',
         'username',
         'workouts_count',
       ]
-      let query: TPaginationPayload = reactive(getQuery(route.query))
+      const defaultOrderBy = 'created_at'
+      let query: TPaginationPayload = reactive(
+        getQuery(route.query, orderByList, defaultOrderBy)
+      )
 
       const authUser: ComputedRef<IUserProfile> = computed(
         () => store.getters[USER_STORE.GETTERS.AUTH_USER_PROFILE]
@@ -174,32 +177,6 @@
       function loadUsers(queryParams: TPaginationPayload) {
         store.dispatch(USERS_STORE.ACTIONS.GET_USERS, queryParams)
       }
-      function getPage(page: string | (string | null)[] | null): number {
-        return page && typeof page === 'string' && +page > 0 ? +page : 1
-      }
-      function getPerPage(perPage: string | (string | null)[] | null): number {
-        return perPage && typeof perPage === 'string' && +perPage > 0
-          ? +perPage
-          : 10
-      }
-      function getOrder(order: string | (string | null)[] | null): string {
-        return order && typeof order === 'string' && sort.includes(order)
-          ? order
-          : 'asc'
-      }
-      function getOrderBy(order: string | (string | null)[] | null): string {
-        return order && typeof order === 'string' && order_by.includes(order)
-          ? order
-          : 'created_at'
-      }
-      function getQuery(query: LocationQuery): TPaginationPayload {
-        return {
-          page: getPage(query.page),
-          per_page: getPerPage(query.per_page),
-          order: getOrder(query.order),
-          order_by: getOrderBy(query.order_by),
-        }
-      }
       function updateUser(username: string, admin: boolean) {
         store.dispatch(USERS_STORE.ACTIONS.UPDATE_USER, {
           username,
@@ -219,10 +196,7 @@
       watch(
         () => route.query,
         (newQuery: LocationQuery) => {
-          query.page = getPage(newQuery.page)
-          query.per_page = getPerPage(newQuery.per_page)
-          query.order = getOrder(newQuery.order)
-          query.order_by = getOrderBy(newQuery.order_by)
+          query = getQuery(newQuery, orderByList, defaultOrderBy, { query })
           loadUsers(query)
         }
       )
@@ -234,10 +208,10 @@
       return {
         authUser,
         errorMessages,
+        orderByList,
         pagination,
-        order_by,
         query,
-        sort,
+        sortList,
         users,
         capitalize,
         format,
diff --git a/fittrackee_client/src/types/api.ts b/fittrackee_client/src/types/api.ts
index 9d78c5e6..853377a8 100644
--- a/fittrackee_client/src/types/api.ts
+++ b/fittrackee_client/src/types/api.ts
@@ -13,3 +13,8 @@ export type TPaginationPayload = {
   per_page: number
   page: number
 }
+
+export interface IQueryOptions {
+  defaultSort?: string
+  query?: TPaginationPayload
+}
diff --git a/fittrackee_client/src/utils/api.ts b/fittrackee_client/src/utils/api.ts
new file mode 100644
index 00000000..b72a6ba3
--- /dev/null
+++ b/fittrackee_client/src/utils/api.ts
@@ -0,0 +1,50 @@
+import { LocationQuery } from 'vue-router'
+
+import { IQueryOptions, TPaginationPayload } from '@/types/api'
+
+export const sortList: string[] = ['asc', 'desc']
+export const defaultPage = 1
+export const defaultPerPage = 10
+
+export const getNumberQueryValue = (
+  queryValue: string | (string | null)[] | null,
+  defaultValue: number
+): number => {
+  return queryValue && typeof queryValue === 'string' && +queryValue > 0
+    ? +queryValue
+    : defaultValue
+}
+
+export const getStringQueryValue = (
+  queryValue: string | (string | null)[] | null,
+  availableValues: string[],
+  defaultValue: string
+): string => {
+  return queryValue &&
+    typeof queryValue === 'string' &&
+    availableValues.includes(queryValue)
+    ? queryValue
+    : defaultValue
+}
+
+export const getQuery = (
+  locationQuery: LocationQuery,
+  orderByList: string[],
+  defaultOrderBy: string,
+  options?: IQueryOptions
+): TPaginationPayload => {
+  const queryOptions = options || {}
+  const defaultSort = queryOptions.defaultSort || 'asc'
+  const query = queryOptions.query || <TPaginationPayload>{}
+
+  query.page = getNumberQueryValue(locationQuery.page, defaultPage)
+  query.per_page = getNumberQueryValue(locationQuery.per_page, defaultPerPage)
+  query.order = getStringQueryValue(locationQuery.order, sortList, defaultSort)
+  query.order_by = getStringQueryValue(
+    locationQuery.order_by,
+    orderByList,
+    defaultOrderBy
+  )
+
+  return query
+}
diff --git a/fittrackee_client/tests/unit/utils/api.spec.ts b/fittrackee_client/tests/unit/utils/api.spec.ts
new file mode 100644
index 00000000..6ccc909b
--- /dev/null
+++ b/fittrackee_client/tests/unit/utils/api.spec.ts
@@ -0,0 +1,238 @@
+import { assert } from 'chai'
+
+import {
+  defaultPerPage,
+  defaultPage,
+  sortList,
+  getNumberQueryValue,
+  getStringQueryValue,
+  getQuery,
+} from '@/utils/api'
+
+const orderByList = ['admin', 'created_at', 'username', 'workouts_count']
+const defaultSort = 'desc'
+const defaultOrderBy = 'created_at'
+
+const generateLocationQuery = (
+  query: Record<string, string>
+): Record<string, string | (string | null)[] | null> => {
+  return query
+}
+
+describe('getNumberQueryValue', () => {
+  const testsParams = [
+    {
+      description: 'returns 2 if input value is 2',
+      inputValue: '2',
+      inputDefaultValue: 2,
+      expectedValue: 2,
+    },
+    {
+      description: 'returns default value if input value is null',
+      inputValue: null,
+      inputDefaultValue: 1,
+      expectedValue: 1,
+    },
+    {
+      description: 'returns default value if input value is negative value',
+      inputValue: '-1',
+      inputDefaultValue: 1,
+      expectedValue: 1,
+    },
+    {
+      description: 'returns default value if input value is not a number',
+      inputValue: 'a',
+      inputDefaultValue: 1,
+      expectedValue: 1,
+    },
+  ]
+
+  testsParams.map((testParams) => {
+    it(testParams.description, () => {
+      assert.equal(
+        getNumberQueryValue(
+          testParams.inputValue,
+          testParams.inputDefaultValue
+        ),
+        testParams.expectedValue
+      )
+    })
+  })
+})
+
+describe('getStringQueryValue', () => {
+  const testsParams = [
+    {
+      description: 'returns input value if input value is in list',
+      inputValue: 'asc',
+      inputDefaultValue: 'asc',
+      expectedValue: 'asc',
+    },
+    {
+      description: 'returns default value if input value is null',
+      inputValue: null,
+      inputDefaultValue: 'asc',
+      expectedValue: 'asc',
+    },
+    {
+      description: 'returns default value if input value is not in list',
+      inputValue: '1',
+      inputDefaultValue: 'asc',
+      expectedValue: 'asc',
+    },
+  ]
+
+  testsParams.map((testParams) => {
+    it(testParams.description, () => {
+      assert.equal(
+        getStringQueryValue(
+          testParams.inputValue,
+          sortList,
+          testParams.inputDefaultValue
+        ),
+        testParams.expectedValue
+      )
+    })
+  })
+})
+
+describe('getQuery', () => {
+  const testsParams = [
+    {
+      description: 'returns default query if location query is an empty object',
+      inputLocationQuery: {},
+      expectedQuery: {
+        page: defaultPage,
+        per_page: defaultPerPage,
+        order: defaultSort,
+        order_by: defaultOrderBy,
+      },
+    },
+    {
+      description: 'returns query with input page',
+      inputLocationQuery: generateLocationQuery({ page: '2' }),
+      expectedQuery: {
+        page: 2,
+        per_page: defaultPerPage,
+        order: defaultSort,
+        order_by: defaultOrderBy,
+      },
+    },
+    {
+      description: 'returns query with input per_page',
+      inputLocationQuery: generateLocationQuery({ per_page: '20' }),
+      expectedQuery: {
+        page: defaultPage,
+        per_page: 20,
+        order: defaultSort,
+        order_by: defaultOrderBy,
+      },
+    },
+    {
+      description: 'returns query with input order',
+      inputLocationQuery: generateLocationQuery({ order: 'asc' }),
+      expectedQuery: {
+        page: defaultPage,
+        per_page: defaultPerPage,
+        order: 'asc',
+        order_by: defaultOrderBy,
+      },
+    },
+    {
+      description: 'returns query with input order_by',
+      inputLocationQuery: generateLocationQuery({ order_by: 'username' }),
+      expectedQuery: {
+        page: defaultPage,
+        per_page: defaultPerPage,
+        order: defaultSort,
+        order_by: 'username',
+      },
+    },
+    {
+      description:
+        'returns default query with input location query values are invalid',
+      inputLocationQuery: generateLocationQuery({
+        page: '0',
+        per_page: '0',
+        order: 'random',
+        order_by: 'name',
+      }),
+      expectedQuery: {
+        page: defaultPage,
+        per_page: defaultPerPage,
+        order: defaultSort,
+        order_by: defaultOrderBy,
+      },
+    },
+  ]
+
+  testsParams.map((testParams) => {
+    it(testParams.description, () => {
+      assert.deepEqual(
+        getQuery(testParams.inputLocationQuery, orderByList, defaultOrderBy, {
+          defaultSort,
+        }),
+        testParams.expectedQuery
+      )
+    })
+  })
+})
+
+describe('getQuery w/ default values', () => {
+  it('returns default query if location query is an empty object', () => {
+    assert.deepEqual(getQuery({}, orderByList, defaultOrderBy), {
+      page: 1,
+      per_page: 10,
+      order: 'asc',
+      order_by: defaultOrderBy,
+    })
+  })
+})
+
+describe('getQuery w/ default values and input pagination payload', () => {
+  const inputQuery = {
+    page: 2,
+    per_page: 20,
+    order: 'desc',
+    order_by: 'username',
+  }
+
+  it('returns query updated with default values', () => {
+    assert.deepEqual(
+      getQuery({}, orderByList, defaultOrderBy, { query: inputQuery }),
+      {
+        page: 1,
+        per_page: 10,
+        order: 'asc',
+        order_by: defaultOrderBy,
+      }
+    )
+  })
+
+  it('returns query updated with input values', () => {
+    assert.deepEqual(
+      getQuery({}, orderByList, defaultOrderBy, {
+        defaultSort: 'desc',
+        query: inputQuery,
+      }),
+      {
+        page: 1,
+        per_page: 10,
+        order: 'desc',
+        order_by: defaultOrderBy,
+      }
+    )
+  })
+
+  it('returns query updated', () => {
+    assert.deepEqual(
+      getQuery(
+        { page: '3', per_page: '10', order: 'asc', order_by: 'workouts_count' },
+        orderByList,
+        defaultOrderBy,
+        { query: inputQuery }
+      ),
+      { page: 3, per_page: 10, order: 'asc', order_by: 'workouts_count' }
+    )
+  })
+})