diff --git a/packages/worker/src/api/controllers/global/users.ts b/packages/worker/src/api/controllers/global/users.ts
index 58979ec799..b0e3219656 100644
--- a/packages/worker/src/api/controllers/global/users.ts
+++ b/packages/worker/src/api/controllers/global/users.ts
@@ -26,6 +26,7 @@ import {
   migrations,
   platform,
   tenancy,
+  db,
 } from "@budibase/backend-core"
 import { checkAnyUserExists } from "../../../utilities/users"
 import { isEmailConfigured } from "../../../utilities/email"
@@ -185,9 +186,27 @@ export const getAppUsers = async (ctx: Ctx<SearchUsersRequest>) => {
 export const search = async (ctx: Ctx<SearchUsersRequest>) => {
   const body = ctx.request.body
 
-  // TODO: for now only one supported search key, string.email
-  if (body?.query && !userSdk.core.isSupportedUserSearch(body.query)) {
-    ctx.throw(501, "Can only search by string.email or equal._id")
+  // TODO: for now only two supported search keys; string.email and equal._id
+  if (body?.query) {
+    // Clean numeric prefixing. This will overwrite duplicate search fields,
+    // but this is fine because we only support a single custom search on
+    // email and id
+    for (let filters of Object.values(body.query)) {
+      if (filters && typeof filters === "object") {
+        for (let [field, value] of Object.entries(filters)) {
+          delete filters[field]
+          const cleanedField = db.removeKeyNumbering(field)
+          if (filters[cleanedField] !== undefined) {
+            ctx.throw(400, "Only 1 filter per field is supported")
+          }
+          filters[cleanedField] = value
+        }
+      }
+    }
+    // Validate we aren't trying to search on any illegal fields
+    if (!userSdk.core.isSupportedUserSearch(body.query)) {
+      ctx.throw(400, "Can only search by string.email or equal._id")
+    }
   }
 
   if (body.paginate === false) {
diff --git a/packages/worker/src/api/routes/global/tests/users.spec.ts b/packages/worker/src/api/routes/global/tests/users.spec.ts
index a85933255a..c792de70a9 100644
--- a/packages/worker/src/api/routes/global/tests/users.spec.ts
+++ b/packages/worker/src/api/routes/global/tests/users.spec.ts
@@ -590,6 +590,15 @@ describe("/api/global/users", () => {
       expect(response.body.data[0].email).toBe(user.email)
     })
 
+    it("should be able to search by email with numeric prefixing", async () => {
+      const user = await config.createUser()
+      const response = await config.api.users.searchUsers({
+        query: { string: { ["999:email"]: user.email } },
+      })
+      expect(response.body.data.length).toBe(1)
+      expect(response.body.data[0].email).toBe(user.email)
+    })
+
     it("should be able to search by _id", async () => {
       const user = await config.createUser()
       const response = await config.api.users.searchUsers({
@@ -599,13 +608,52 @@ describe("/api/global/users", () => {
       expect(response.body.data[0]._id).toBe(user._id)
     })
 
+    it("should be able to search by _id with numeric prefixing", async () => {
+      const user = await config.createUser()
+      const response = await config.api.users.searchUsers({
+        query: { equal: { ["1:_id"]: user._id } },
+      })
+      expect(response.body.data.length).toBe(1)
+      expect(response.body.data[0]._id).toBe(user._id)
+    })
+
+    it("should throw an error when using multiple filters on the same field", async () => {
+      const user = await config.createUser()
+      await config.api.users.searchUsers(
+        {
+          query: {
+            string: {
+              ["1:email"]: user.email,
+              ["2:email"]: "something else",
+            },
+          },
+        },
+        { status: 400 }
+      )
+    })
+
+    it("should throw an error when using multiple filters on the same field without prefixes", async () => {
+      const user = await config.createUser()
+      await config.api.users.searchUsers(
+        {
+          query: {
+            string: {
+              ["_id"]: user.email,
+              ["999:_id"]: "something else",
+            },
+          },
+        },
+        { status: 400 }
+      )
+    })
+
     it("should throw an error when unimplemented options used", async () => {
       const user = await config.createUser()
       await config.api.users.searchUsers(
         {
           query: { equal: { firstName: user.firstName } },
         },
-        { status: 501 }
+        { status: 400 }
       )
     })