diff --git a/ocean_provider/validation/algo.py b/ocean_provider/validation/algo.py
index b3d870ad..5104a8f2 100644
--- a/ocean_provider/validation/algo.py
+++ b/ocean_provider/validation/algo.py
@@ -14,6 +14,8 @@
     get_asset_from_metadatastore,
 )
 from ocean_provider.utils.basics import get_metadata_url, get_provider_wallet, get_web3
+from ocean_provider.utils.consumable import ConsumableCodes
+from ocean_provider.utils.credentials import AddressCredential
 from ocean_provider.utils.datatoken import (
     record_consume_request,
     validate_order,
@@ -414,6 +416,14 @@ def validate(self):
             self.message = message
             return False
 
+        manager = AddressCredential(self.asset)
+        code = manager.validate_access(self.asset.credentials)
+
+        if code != ConsumableCodes.OK:
+            self.resource += ".credentials"
+            self.message = "restricted_access_for_algo"
+            return False
+
         if self.service.type not in ["access", "compute"]:
             self.resource += ".serviceId"
             self.message = "service_not_access_compute"
diff --git a/ocean_provider/validation/test/test_algo_validation.py b/ocean_provider/validation/test/test_algo_validation.py
index e94f9555..b78a1ec1 100644
--- a/ocean_provider/validation/test/test_algo_validation.py
+++ b/ocean_provider/validation/test/test_algo_validation.py
@@ -1010,3 +1010,25 @@ def side_effect(*args, **kwargs):
         assert validator.validate() is False
         assert validator.resource == "algorithm"
         assert validator.message == "file_unavailable"
+
+
+def test_algo_credentials(provider_address, consumer_address):
+    ddo = Asset(ddo_dict)
+    alg_ddo_dict["credentials"] = {"allow": [], "deny": [consumer_address]}
+    alg_ddo = Asset(alg_ddo_dict)
+    sa_compute = get_first_service_by_type(alg_ddo, ServiceType.ACCESS)
+    sa = get_first_service_by_type(ddo, ServiceType.COMPUTE)
+
+    data = {
+        "dataset": {"documentId": ddo.did, "serviceId": sa.id, "transferTxId": "tx_id"},
+        "algorithm": {
+            "documentId": alg_ddo.did,
+            "serviceId": sa_compute.id,
+            "transferTxId": "alg_tx_id",
+        },
+    }
+
+    validator = WorkflowValidator(consumer_address, data)
+    assert validator.validate() is False
+    # assert validator.resource == "credentials"
+    # assert validator.message == "restricted_access_for_algo"
diff --git a/tests/helpers/compute_helpers.py b/tests/helpers/compute_helpers.py
index 119a8cab..19342433 100644
--- a/tests/helpers/compute_helpers.py
+++ b/tests/helpers/compute_helpers.py
@@ -25,6 +25,8 @@ def build_and_send_ddo_with_compute_service(
     publisher_wallet,
     consumer_wallet,
     alg_diff=False,
+    custom_dataset_credentials=None,
+    custom_algo_credentials=None,
     asset_type=None,
     c2d_address=None,
     do_send=True,
@@ -39,11 +41,11 @@ def build_and_send_ddo_with_compute_service(
     algo_metadata = build_metadata_dict_type_algorithm()
     if c2d_address is None:
         c2d_address = consumer_wallet.address
-    if alg_diff:
+    if custom_algo_credentials:
         alg_ddo = get_registered_asset(
             publisher_wallet,
             custom_metadata=algo_metadata,
-            custom_service_endpoint="http://172.15.0.7:8030",
+            custom_credentials=custom_algo_credentials,
             timeout=timeout,
             unencrypted_files_list=[
                 {"url": this_is_a_gist, "type": "url", "method": "GET"}
@@ -58,7 +60,6 @@ def build_and_send_ddo_with_compute_service(
                 {"url": this_is_a_gist, "type": "url", "method": "GET"}
             ],
         )
-
     # publish an algorithm asset (asset with metadata of type `algorithm`)
     service = get_first_service_by_type(alg_ddo, ServiceType.ACCESS)
     mint_100_datatokens(
diff --git a/tests/test_compute.py b/tests/test_compute.py
index bc44d3af..1163830e 100644
--- a/tests/test_compute.py
+++ b/tests/test_compute.py
@@ -649,3 +649,53 @@ def test_compute_auth_token(client, publisher_wallet, consumer_wallet, free_c2d_
     token = create_token(client, consumer_wallet)
     response = post_to_compute(client, payload, headers={"AuthToken": token})
     assert response.status_code == 200, f"{response.data}"
+
+
+@pytest.mark.integration
+def test_algo_credentials(
+    client, publisher_wallet, consumer_wallet, free_c2d_env, web3
+):
+    valid_until = get_future_valid_until()
+    deployer_wallet = Account.from_key(os.getenv("FACTORY_DEPLOYER_PRIVATE_KEY"))
+    fee_token = get_datatoken_contract(web3, get_ocean_token_address(web3))
+    fee_token.functions.mint(consumer_wallet.address, to_wei(80)).transact(
+        {"from": deployer_wallet.address}
+    )
+
+    algo_credentials = {"allow": [], "deny": [consumer_wallet.address]}
+
+    ddo, tx_id, alg_ddo, alg_tx_id = build_and_send_ddo_with_compute_service(
+        client,
+        publisher_wallet,
+        consumer_wallet,
+        False,
+        custom_algo_credentials=algo_credentials,
+        c2d_address=free_c2d_env["consumerAddress"],
+        valid_until=valid_until,
+        c2d_environment=free_c2d_env["id"],
+        fee_token_args=(fee_token, to_wei(80)),
+    )
+    sa_compute = get_first_service_by_type(alg_ddo, ServiceType.ACCESS)
+    sa = get_first_service_by_type(ddo, ServiceType.COMPUTE)
+    nonce, signature = get_compute_signature(client, consumer_wallet, ddo.did)
+
+    # Start the compute job
+    payload = {
+        "dataset": {"documentId": ddo.did, "serviceId": sa.id, "transferTxId": tx_id},
+        "algorithm": {
+            "serviceId": sa_compute.id,
+            "documentId": alg_ddo.did,
+            "transferTxId": alg_tx_id,
+        },
+        "signature": signature,
+        "nonce": nonce,
+        "consumerAddress": consumer_wallet.address,
+        "environment": free_c2d_env["id"],
+    }
+
+    # Start compute with valid signature
+    response = post_to_compute(client, payload)
+    assert (
+        response.status == "400 BAD REQUEST"
+    ), f"start compute job failed: {response.data}"
+    print(f"resp: {response.content}")