diff --git a/fediseer/apis/v1/endorsements.py b/fediseer/apis/v1/endorsements.py
index 903374e..7dc81f4 100644
--- a/fediseer/apis/v1/endorsements.py
+++ b/fediseer/apis/v1/endorsements.py
@@ -11,22 +11,25 @@ class Approvals(Resource):
     @cache.cached(timeout=10, query_string=True)
     @api.marshal_with(models.response_model_model_Whitelist_get, code=200, description='Instances', skip_none=True)
     @api.response(404, 'Instance not registered', models.response_model_error)
-    def get(self, domain):
-        '''Display all endorsements given by a specific domain
+    def get(self, domains):
+        '''Display all endorsements given out by one or more domains
+        You can pass a comma-separated list of domain names and the results will be a set of all their
+        endorsements together.
         '''
+        domains_list = domains.split(',')
         self.args = self.get_parser.parse_args()
-        instance = database.find_instance_by_domain(domain)
-        if not instance:
-            raise e.NotFound(f"No Instance found matching provided domain. Have you remembered to register it?")
+        instances = database.find_multiple_instance_by_domains(domains_list)
+        if not instances:
+            raise e.NotFound(f"No Instances found matching any of the provided domains. Have you remembered to register them?")
         instance_details = []
-        for instance in database.get_all_endorsed_instances_by_approving_id(instance.id):
+        for instance in database.get_all_endorsed_instances_by_approving_id([instance.id for instance in instances]):
             instance_details.append(instance.get_details())
         if self.args.csv:
             return {"csv": ",".join([instance["domain"] for instance in instance_details])},200
         if self.args.domains:
             return {"domains": [instance["domain"] for instance in instance_details]},200
         return {"instances": instance_details},200
-    
+
 class Endorsements(Resource):
     get_parser = reqparse.RequestParser()
     get_parser.add_argument("Client-Agent", default="unknown:0:unknown", type=str, required=False, help="The client name and version.", location="headers")
@@ -140,4 +143,4 @@ class Endorsements(Resource):
             instance=target_instance,
         )
         logger.info(f"{instance.domain} Withdrew endorsement from {domain}")
-        return {"message":'Changed'}, 200
\ No newline at end of file
+        return {"message":'Changed'}, 200
diff --git a/fediseer/database/functions.py b/fediseer/database/functions.py
index ccbedbf..0011718 100644
--- a/fediseer/database/functions.py
+++ b/fediseer/database/functions.py
@@ -35,7 +35,7 @@ def get_all_instances(min_endorsements = 0, min_guarantors = 1):
     return query.all()
 
 
-def get_all_endorsed_instances_by_approving_id(approving_id):
+def get_all_endorsed_instances_by_approving_id(approving_ids):
     query = db.session.query(
         Instance
     ).outerjoin(
@@ -43,13 +43,13 @@ def get_all_endorsed_instances_by_approving_id(approving_id):
     ).options(
         joinedload(Instance.endorsements),
     ).filter(
-        Endorsement.approving_id == approving_id
+        Endorsement.approving_id.in_(approving_ids)
     ).group_by(
         Instance.id
     )
     return query.all()
 
-def get_all_approving_instances_by_endorsed_id(endorsed_id):
+def get_all_approving_instances_by_endorsed_id(endorsed_ids):
     query = db.session.query(
         Instance
     ).outerjoin(
@@ -57,7 +57,7 @@ def get_all_approving_instances_by_endorsed_id(endorsed_id):
     ).options(
         joinedload(Instance.approvals),
     ).filter(
-        Endorsement.endorsed_id == endorsed_id
+        Endorsement.endorsed_id.in_(endorsed_ids)
     ).group_by(
         Instance.id
     )
@@ -156,6 +156,12 @@ def find_instance_by_domain(domain):
     instance = Instance.query.filter_by(domain=domain).first()
     return instance
 
+def find_multiple_instance_by_domains(domains):
+    instance = Instance.query.filter(
+        Instance.domain.in_(domains)
+    ).all()
+    return instance
+
 def find_authenticated_instance(domain,api_key):
     instance = Instance.query.join(
         Claim
@@ -247,4 +253,4 @@ def get_instances_by_ids(instance_ids):
     query = Instance.query.filter(
         Instance.id.in_(instance_ids)
     )
-    return query
\ No newline at end of file
+    return query