diff --git a/README.md b/README.md
index ce38c594..4da3898d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Upstash Redis
 
-An HTTP/REST based Redis client built on top of
-[Upstash REST API](https://docs.upstash.com/features/restapi).
+`@upstash/redis` is an HTTP/REST based Redis client for typescript, built on top
+of [Upstash REST API](https://docs.upstash.com/features/restapi).
 
 [![Tests](https://github.com/upstash/upstash-redis/actions/workflows/tests.yaml/badge.svg)](https://github.com/upstash/upstash-redis/actions/workflows/tests.yaml)
 ![npm (scoped)](https://img.shields.io/npm/v/@upstash/redis)
diff --git a/mod.ts b/mod.ts
index 873826dc..cde13cdc 100644
--- a/mod.ts
+++ b/mod.ts
@@ -1,5 +1,6 @@
 import { HttpClient } from "./pkg/http.ts";
 import * as core from "./pkg/redis.ts";
+export type { Requester, UpstashRequest, UpstashResponse } from "./pkg/http.ts";
 
 /**
  * Connection credentials for upstash redis.
@@ -32,6 +33,25 @@ export class Redis extends core.Redis {
    * ```
    */
   constructor(config: RedisConfigDeno) {
+    if (
+      config.url.startsWith(" ") ||
+      config.url.endsWith(" ") ||
+      /\r|\n/.test(config.url)
+    ) {
+      console.warn(
+        "The redis url contains whitespace or newline, which can cause errors!",
+      );
+    }
+    if (
+      config.token.startsWith(" ") ||
+      config.token.endsWith(" ") ||
+      /\r|\n/.test(config.token)
+    ) {
+      console.warn(
+        "The redis token contains whitespace or newline, which can cause errors!",
+      );
+    }
+
     const client = new HttpClient({
       baseUrl: config.url,
       headers: { authorization: `Bearer ${config.token}` },
diff --git a/platforms/cloudflare.ts b/platforms/cloudflare.ts
index f3d7674c..9683c55b 100644
--- a/platforms/cloudflare.ts
+++ b/platforms/cloudflare.ts
@@ -38,6 +38,24 @@ export class Redis extends core.Redis {
    * ```
    */
   constructor(config: RedisConfigCloudflare) {
+    if (
+      config.url.startsWith(" ") ||
+      config.url.endsWith(" ") ||
+      /\r|\n/.test(config.url)
+    ) {
+      console.warn(
+        "The redis url contains whitespace or newline, which can cause errors!",
+      );
+    }
+    if (
+      config.token.startsWith(" ") ||
+      config.token.endsWith(" ") ||
+      /\r|\n/.test(config.token)
+    ) {
+      console.warn(
+        "The redis token contains whitespace or newline, which can cause errors!",
+      );
+    }
     const client = defaultRequester({
       baseUrl: config.url,
       headers: { authorization: `Bearer ${config.token}` },
diff --git a/platforms/fastly.ts b/platforms/fastly.ts
index 99db0b7e..c906f163 100644
--- a/platforms/fastly.ts
+++ b/platforms/fastly.ts
@@ -46,6 +46,24 @@ export class Redis extends core.Redis {
    * ```
    */
   constructor(config: RedisConfigFastly) {
+    if (
+      config.url.startsWith(" ") ||
+      config.url.endsWith(" ") ||
+      /\r|\n/.test(config.url)
+    ) {
+      console.warn(
+        "The redis url contains whitespace or newline, which can cause errors!",
+      );
+    }
+    if (
+      config.token.startsWith(" ") ||
+      config.token.endsWith(" ") ||
+      /\r|\n/.test(config.token)
+    ) {
+      console.warn(
+        "The redis token contains whitespace or newline, which can cause errors!",
+      );
+    }
     const client = defaultRequester({
       baseUrl: config.url,
       headers: { authorization: `Bearer ${config.token}` },
diff --git a/platforms/nodejs.ts b/platforms/nodejs.ts
index adbf15d7..fcb0c9fc 100644
--- a/platforms/nodejs.ts
+++ b/platforms/nodejs.ts
@@ -82,6 +82,24 @@ export class Redis extends core.Redis {
       super(configOrRequester);
       return;
     }
+    if (
+      configOrRequester.url.startsWith(" ") ||
+      configOrRequester.url.endsWith(" ") ||
+      /\r|\n/.test(configOrRequester.url)
+    ) {
+      console.warn(
+        "The redis url contains whitespace or newline, which can cause errors!",
+      );
+    }
+    if (
+      configOrRequester.token.startsWith(" ") ||
+      configOrRequester.token.endsWith(" ") ||
+      /\r|\n/.test(configOrRequester.token)
+    ) {
+      console.warn(
+        "The redis token contains whitespace or newline, which can cause errors!",
+      );
+    }
 
     const client = defaultRequester({
       baseUrl: configOrRequester.url,