diff --git a/config/default.yaml b/config/default.yaml
index cbccd88..cac426c 100644
--- a/config/default.yaml
+++ b/config/default.yaml
@@ -22,6 +22,12 @@ instances-index:
   # Must answer the following format: https://framagit.org/framasoft/peertube/instances-peertube#peertube-auto-follow-global-search
   url: 'https://instances.joinpeertube.org/api/v1/instances/hosts'
 
-whitelist:
-  enabled: false
-  hosts: null
+  # Useful to do tests
+  whitelist:
+    enabled: false
+    hosts: null
+
+api:
+  blacklist:
+    enabled: false
+    hosts: null
diff --git a/config/test.yaml b/config/test.yaml
index 1cd6a94..699435f 100644
--- a/config/test.yaml
+++ b/config/test.yaml
@@ -3,13 +3,20 @@ elastic_search:
     videos: 'peertube-index-videos-test1'
     channels: 'peertube-index-channels-test1'
 
-whitelist:
-  enabled: true
-  hosts:
-    - 'peertube.cpy.re'
-    - 'peertube2.cpy.re'
-    - 'peertube3.cpy.re'
-    - 'framatube.org'
-    - 'aperi.tube'
-    - 'peertube.datagueule.tv'
-    - 'thinkerview.video'
+instances-index:
+  whitelist:
+    enabled: true
+    hosts:
+      - 'peertube.cpy.re'
+      - 'peertube2.cpy.re'
+      - 'peertube3.cpy.re'
+      - 'framatube.org'
+      - 'aperi.tube'
+      - 'peertube.datagueule.tv'
+      - 'thinkerview.video'
+
+api:
+  blacklist:
+    enabled: true
+    hosts:
+      - 'peertube.cpy.re'
diff --git a/server/controllers/api/search-channels.ts b/server/controllers/api/search-channels.ts
index a08314e..7994fa0 100644
--- a/server/controllers/api/search-channels.ts
+++ b/server/controllers/api/search-channels.ts
@@ -7,6 +7,7 @@ import { setDefaultSearchSort } from '../../middlewares/sort'
 import { paginationValidator } from '../../middlewares/validators/pagination'
 import { videoChannelsSearchValidator, commonFiltersValidators } from '../../middlewares/validators/search'
 import { channelsSearchSortValidator } from '../../middlewares/validators/sort'
+import { CONFIG } from '../../initializers/constants'
 
 const searchChannelsRouter = express.Router()
 
@@ -28,6 +29,15 @@ export { searchChannelsRouter }
 
 async function searchChannels (req: express.Request, res: express.Response) {
   const query = Object.assign(req.query || {}, req.body || {}) as ChannelsSearchQuery
+
+  if (!Array.isArray(query.blockedHosts)) {
+    query.blockedHosts = []
+  }
+
+  if (CONFIG.API.BLACKLIST.ENABLED && Array.isArray(CONFIG.API.BLACKLIST.HOSTS)) {
+    query.blockedHosts = query.blockedHosts.concat(CONFIG.API.BLACKLIST.HOSTS)
+  }
+
   const resultList = await queryChannels(query)
 
   return res.json({
diff --git a/server/controllers/api/search-videos.ts b/server/controllers/api/search-videos.ts
index f734bec..26336d4 100644
--- a/server/controllers/api/search-videos.ts
+++ b/server/controllers/api/search-videos.ts
@@ -7,6 +7,7 @@ import { videosSearchSortValidator } from '../../middlewares/validators/sort'
 import { commonVideosFiltersValidator, videosSearchValidator, commonFiltersValidators } from '../../middlewares/validators/search'
 import { setDefaultSearchSort } from '../../middlewares/sort'
 import { VideosSearchQuery } from 'server/types/video-search.model'
+import { CONFIG } from '../../initializers/constants'
 
 const searchVideosRouter = express.Router()
 
@@ -30,6 +31,14 @@ export { searchVideosRouter }
 async function searchVideos (req: express.Request, res: express.Response) {
   const query = Object.assign(req.query || {}, req.body || {}) as VideosSearchQuery
 
+  if (!Array.isArray(query.blockedHosts)) {
+    query.blockedHosts = []
+  }
+
+  if (CONFIG.API.BLACKLIST.ENABLED && Array.isArray(CONFIG.API.BLACKLIST.HOSTS)) {
+    query.blockedHosts = query.blockedHosts.concat(CONFIG.API.BLACKLIST.HOSTS)
+  }
+
   const resultList = await queryVideos(query)
 
   return res.json({
diff --git a/server/initializers/constants.ts b/server/initializers/constants.ts
index 88b6b66..df9b751 100644
--- a/server/initializers/constants.ts
+++ b/server/initializers/constants.ts
@@ -24,11 +24,17 @@ const CONFIG = {
     LEVEL: config.get<string>('log.level')
   },
   INSTANCES_INDEX: {
-    URL: config.get<string>('instances-index.url')
+    URL: config.get<string>('instances-index.url'),
+    WHITELIST: {
+      ENABLED: config.get<boolean>('instances-index.whitelist.enabled'),
+      HOSTS: config.get<string[]>('instances-index.whitelist.hosts')
+    }
   },
-  WHITELIST: {
-    ENABLED: config.get<boolean>('whitelist.enabled'),
-    HOSTS: config.get<string[]>('whitelist.hosts')
+  API: {
+    BLACKLIST: {
+      ENABLED: config.get<boolean>('api.blacklist.enabled'),
+      HOSTS: config.get<string[]>('api.blacklist.hosts')
+    }
   }
 }
 
diff --git a/server/lib/elastic-search-instances.ts b/server/lib/elastic-search-instances.ts
index fd5421f..d32f406 100644
--- a/server/lib/elastic-search-instances.ts
+++ b/server/lib/elastic-search-instances.ts
@@ -23,8 +23,8 @@ async function listIndexInstances () {
 async function buildInstanceHosts () {
   let indexHosts = await listIndexInstancesHost()
 
-  if (CONFIG.WHITELIST.ENABLED) {
-    const whitelistHosts = Array.isArray(CONFIG.WHITELIST.HOSTS) ? CONFIG.WHITELIST.HOSTS : []
+  if (CONFIG.INSTANCES_INDEX.WHITELIST.ENABLED) {
+    const whitelistHosts = Array.isArray(CONFIG.INSTANCES_INDEX.WHITELIST.HOSTS) ? CONFIG.INSTANCES_INDEX.WHITELIST.HOSTS : []
 
     indexHosts = indexHosts.filter(h => whitelistHosts.includes(h))
   }