diff --git a/packages/api/src/env.js b/packages/api/src/env.js
index 5142009..5e04df9 100644
--- a/packages/api/src/env.js
+++ b/packages/api/src/env.js
@@ -8,7 +8,7 @@ import { DBClient } from './utils/db-client.js'
 /**
  * @typedef {Object} EnvInput
  * @property {string} ENV
- * @property {string} GATEWAY_DOMAIN
+ * @property {string[]} GATEWAY_DOMAINS
  * @property {string} NFT_STORAGE_API
  * @property {string} DATABASE_URL
  * @property {string} DATABASE_TOKEN
diff --git a/packages/api/src/utils/url.js b/packages/api/src/utils/url.js
index c3d6a90..f411d3c 100644
--- a/packages/api/src/utils/url.js
+++ b/packages/api/src/utils/url.js
@@ -3,6 +3,10 @@ import { InvalidUrlError } from '../errors.js'
 
 import { normalizeCid } from './cid.js'
 
+/**
+ * @typedef {import('../env').Env} Env
+ */
+
 /**
  * Parses provided URL and verifes if is a valid nftstorage.link URL
  *
@@ -25,9 +29,12 @@ export function getSourceUrl(request, env) {
       `invalid URL provided: ${request.params.url}: maximum allowed length or URL is ${MAX_ALLOWED_URL_LENGTH}`
     )
   }
-  if (!urlString.includes(env.GATEWAY_DOMAIN)) {
+  if (
+    !env.GATEWAY_DOMAINS.filter((gwDomain) => urlString.includes(gwDomain))
+      .length
+  ) {
     throw new InvalidUrlError(
-      `invalid URL provided: ${urlString}: not nftstorage.link URL`
+      `invalid URL provided: ${urlString}: not ${env.GATEWAY_DOMAINS.join(' or ')} URL`
     )
   }
 
@@ -54,8 +61,9 @@ export function getNormalizedUrl(candidateUrl, env) {
       ? `?${queryParamsCandidate}`
       : ''
 
+    // Always set normalized url as first URL in supported gateway domains (w3s.link)
     return new URL(
-      `${candidateUrl.protocol}//${cid}.ipfs.${env.GATEWAY_DOMAIN}${path}${queryParams}`
+      `${candidateUrl.protocol}//${cid}.ipfs.${env.GATEWAY_DOMAINS[0]}${path}${queryParams}`
     )
   }
 
diff --git a/packages/api/test/perma-cache-get.spec.js b/packages/api/test/perma-cache-get.spec.js
index 4d16c3b..b5392ea 100644
--- a/packages/api/test/perma-cache-get.spec.js
+++ b/packages/api/test/perma-cache-get.spec.js
@@ -88,3 +88,27 @@ test('Gets 404 response from perma cache by URL when url not perma cached', asyn
   )
   t.is(responseGet.status, 404)
 })
+
+test('Gets 400 response from perma cache by URL when url not valid', async (t) => {
+  const { mf } = t.context
+  const url =
+    'http://bafkreidyeivj7adnnac6ljvzj2e3rd5xdw3revw4da7mx2ckrstapoupoq.ipfs.localhost:9083/'
+
+  // GET URL content from perma cache
+  const responseGet = await mf.dispatchFetch(getPermaCachePutUrl(url), {
+    method: 'GET',
+  })
+  t.is(responseGet.status, 400)
+})
+
+test('Gets 404 response from perma cache by URL when url from secondary supported gateway not perma cached', async (t) => {
+  const { mf } = t.context
+  const url =
+    'http://bafkreidyeivj7adnnac6ljvzj2e3rd5xdw3revw4da7mx2ckrstapoupoq.ipfs.localhost:9082/'
+
+  // GET URL content from perma cache
+  const responseGet = await mf.dispatchFetch(getPermaCachePutUrl(url), {
+    method: 'GET',
+  })
+  t.is(responseGet.status, 404)
+})
diff --git a/packages/api/test/perma-cache-post.spec.js b/packages/api/test/perma-cache-post.spec.js
index 2e3b003..5d135a4 100644
--- a/packages/api/test/perma-cache-post.spec.js
+++ b/packages/api/test/perma-cache-post.spec.js
@@ -31,7 +31,7 @@ test('Fails when invalid url is provided', async (t) => {
   t.is(body, 'invalid URL provided: test.png: Invalid URL')
 })
 
-test('Fails when non nftstorage.link url is provided', async (t) => {
+test('Fails when non localhost:9081 or localhost:9082 url is provided', async (t) => {
   const { mf, user } = t.context
 
   const response = await mf.dispatchFetch(
@@ -46,7 +46,7 @@ test('Fails when non nftstorage.link url is provided', async (t) => {
   const body = await response.json()
   t.is(
     body,
-    'invalid URL provided: https://example.com/test.png: not nftstorage.link URL'
+    'invalid URL provided: https://example.com/test.png: not localhost:9081 or localhost:9082 URL'
   )
 })
 
diff --git a/packages/api/test/scripts/worker-globals.js b/packages/api/test/scripts/worker-globals.js
index f4f24a1..41af2e3 100644
--- a/packages/api/test/scripts/worker-globals.js
+++ b/packages/api/test/scripts/worker-globals.js
@@ -3,5 +3,5 @@ export const globals = {
   NFT_STORAGE_API: 'http://localhost:9096',
   DATABASE_TOKEN:
     'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJzdXBhYmFzZSIsImlhdCI6MTYwMzk2ODgzNCwiZXhwIjoyNTUwNjUzNjM0LCJyb2xlIjoic2VydmljZV9yb2xlIn0.necIJaiP7X2T2QjGeV-FhpkizcNTX8HjDDBAxpgQTEI',
-  GATEWAY_DOMAIN: 'localhost:9081',
+  GATEWAY_DOMAINS: ['localhost:9081', 'localhost:9082'],
 }
diff --git a/packages/api/test/utils.js b/packages/api/test/utils.js
index ce29be6..12f89c1 100644
--- a/packages/api/test/utils.js
+++ b/packages/api/test/utils.js
@@ -17,7 +17,7 @@ export function getParsedUrl(url) {
     const queryParams = queryParamsString.length ? `?${queryParamsString}` : ''
 
     normalizedUrl = new URL(
-      `${normalizedUrl.protocol}//${cid}.ipfs.${globals.GATEWAY_DOMAIN}${path}${queryParams}`
+      `${normalizedUrl.protocol}//${cid}.ipfs.${globals.GATEWAY_DOMAINS[0]}${path}${queryParams}`
     )
   }
 
diff --git a/packages/api/wrangler.toml b/packages/api/wrangler.toml
index 1660ee6..5f200b8 100644
--- a/packages/api/wrangler.toml
+++ b/packages/api/wrangler.toml
@@ -20,7 +20,7 @@ DATABASE_URL = "https://nft-link-prod.herokuapp.com"
 NFT_STORAGE_API = "https://api.nft.storage"
 DEBUG = "false"
 ENV = "production"
-GATEWAY_DOMAIN = "nftstorage.link"
+GATEWAY_DOMAINS = "[\"w3s.link\", \"nftstorage.link\"]"
 
 [[env.production.r2_buckets]]
 bucket_name = "super-hot"
@@ -46,7 +46,7 @@ DATABASE_URL = "https://nft-link-staging.herokuapp.com"
 NFT_STORAGE_API = "https://api-staging.nft.storage"
 DEBUG = "true"
 ENV = "staging"
-GATEWAY_DOMAIN = "nftstorage.link"
+GATEWAY_DOMAINS = "[\"w3s.link\", \"nftstorage.link\"]"
 
 [[env.staging.r2_buckets]]
 bucket_name = "super-hot-staging"
@@ -65,7 +65,7 @@ workers_dev = true
 [env.test.vars]
 DEBUG = "true"
 ENV = "test"
-GATEWAY_DOMAIN = "localhost:9081"
+GATEWAY_DOMAINS = "[\"localhost:9081\", \"localhost:9082\"]"
 
 # Dev!
 [env.vsantos]
@@ -75,4 +75,4 @@ account_id = "7ec0b7cf2ec201b2580374e53ba5f37b"
 [env.vsantos.vars]
 DEBUG = "true"
 ENV = "test"
-GATEWAY_DOMAIN = "nftstorage.link"
\ No newline at end of file
+GATEWAY_DOMAINS = "[\"w3s.link\", \"nftstorage.link\"]"
\ No newline at end of file