diff --git a/cads_processing_api_service/config.py b/cads_processing_api_service/config.py
index 233b423..3ff41aa 100644
--- a/cads_processing_api_service/config.py
+++ b/cads_processing_api_service/config.py
@@ -116,7 +116,7 @@ class RateLimitsRouteParamConfig(pydantic.BaseModel):
     model_config = pydantic.ConfigDict(extra="allow")
 
 
-class RateLimitsConfig(pydantic.BaseModel):
+class RateLimitsUserConfig(pydantic.BaseModel):
     default: RateLimitsRouteConfig = pydantic.Field(
         default=RateLimitsRouteConfig(), validate_default=True
     )
@@ -151,6 +151,18 @@ class RateLimitsConfig(pydantic.BaseModel):
     )
 
 
+class RateLimitsConfig(pydantic.BaseModel):
+    """Rate limits configuration."""
+
+    auth: RateLimitsUserConfig = pydantic.Field(
+        default=RateLimitsUserConfig(),
+        description="Rate limits for authenticated users.",
+    )
+    anon: RateLimitsUserConfig = pydantic.Field(
+        default=RateLimitsUserConfig(), description="Rate limits for anonymous users."
+    )
+
+
 def load_rate_limits(rate_limits_file: str | None) -> RateLimitsConfig:
     rate_limits = RateLimitsConfig()
     if rate_limits_file is not None:
diff --git a/cads_processing_api_service/limits.py b/cads_processing_api_service/limits.py
index 20e7b46..cce26bc 100644
--- a/cads_processing_api_service/limits.py
+++ b/cads_processing_api_service/limits.py
@@ -31,6 +31,7 @@
 
 def get_rate_limits(
     rate_limits_config: config.RateLimitsConfig,
+    user_type: str,
     route: str,
     method: str,
     request_origin: str,
@@ -38,7 +39,8 @@ def get_rate_limits(
 ) -> list[str]:
     """Get the rate limits for a specific route and method."""
     rate_limits = rate_limits_config.model_dump()
-    route_rate_limits: dict[str, Any] = rate_limits.get(route, {})
+    user_type_rate_limits: dict[str, Any] = rate_limits.get(user_type, {})
+    route_rate_limits: dict[str, Any] = user_type_rate_limits.get(route, {})
     if route_param is not None:
         route_param_rate_limits: dict[str, Any] = route_rate_limits.get(route_param, {})
     else:
@@ -50,6 +52,7 @@ def get_rate_limits(
 
 def get_rate_limits_defaulted(
     rate_limits_config: config.RateLimitsConfig,
+    user_type: str,
     route: str,
     method: str,
     request_origin: str,
@@ -57,15 +60,15 @@ def get_rate_limits_defaulted(
 ) -> list[str]:
     """Get the rate limits for a specific route and method, with defaults."""
     rate_limits = get_rate_limits(
-        rate_limits_config, route, method, request_origin, route_param
+        rate_limits_config, user_type, route, method, request_origin, route_param
     )
     if not rate_limits:
         rate_limits = get_rate_limits(
-            rate_limits_config, route, method, request_origin, "default"
+            rate_limits_config, user_type, route, method, request_origin, "default"
         )
     if not rate_limits:
         rate_limits = get_rate_limits(
-            rate_limits_config, "default", method, request_origin
+            rate_limits_config, user_type, "default", method, request_origin
         )
     return rate_limits
 
@@ -104,8 +107,9 @@ def check_rate_limits(
     """Check if the rate limits are exceeded."""
     request_origin = auth_info.request_origin
     user_uid = auth_info.user_uid
+    user_type = "anon" if auth_info.user_uid == "unauthenticated" else "auth"
     rate_limits = get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin, route_param
+        rate_limits_config, user_type, route, method, request_origin, route_param
     )
     rate_limits_parsed = [limits.parse(rate_limit) for rate_limit in rate_limits]
     check_rate_limits_for_user(user_uid, rate_limits_parsed)
diff --git a/tests/test_10_config.py b/tests/test_10_config.py
index 3ded98d..1f3294d 100644
--- a/tests/test_10_config.py
+++ b/tests/test_10_config.py
@@ -73,11 +73,13 @@ def test_load_rate_limits(tmp_path: pathlib.Path, caplog) -> None:
 
     rate_limits_file = str(tmp_path / "rate-limits.yaml")
     rate_limits = {
-        "/jobs/{job_id}": {"get": {"api": ["1/second"], "ui": ["2/second"]}},
-        "/processes/{process_id}/constraints": {
-            "default": {"get": {"api": ["1/second"], "ui": ["2/second"]}},
-            "process-id": {"post": {"api": ["1/second"], "ui": ["2/second"]}},
-        },
+        "auth": {
+            "/jobs/{job_id}": {"get": {"api": ["1/second"], "ui": ["2/second"]}},
+            "/processes/{process_id}/constraints": {
+                "default": {"get": {"api": ["1/second"], "ui": ["2/second"]}},
+                "process-id": {"post": {"api": ["1/second"], "ui": ["2/second"]}},
+            },
+        }
     }
     with open(rate_limits_file, "w") as file:
         yaml.dump(rate_limits, file)
@@ -87,7 +89,8 @@ def test_load_rate_limits(tmp_path: pathlib.Path, caplog) -> None:
         "post": {"api": [], "ui": []},
         "delete": {"api": [], "ui": []},
     }
-    assert loaded_rate_limits["jobs_jobsid"] == expected_jobs_limits
+    assert "auth" in loaded_rate_limits
+    assert loaded_rate_limits["auth"]["jobs_jobsid"] == expected_jobs_limits
     expected_process_constraints_limits = {
         "default": {
             "get": {"api": ["1/second"], "ui": ["2/second"]},
@@ -101,13 +104,15 @@ def test_load_rate_limits(tmp_path: pathlib.Path, caplog) -> None:
         },
     }
     assert (
-        loaded_rate_limits["processes_processid_constraints"]
+        loaded_rate_limits["auth"]["processes_processid_constraints"]
         == expected_process_constraints_limits
     )
 
     rate_limits_file = str(tmp_path / "invalid-rate-limits.yaml")
     rate_limits = {
-        "/jobs/{job_id}": {"get": {"api": ["invalid_limit"]}},
+        "auth": {
+            "/jobs/{job_id}": {"get": {"api": ["invalid_limit"]}},
+        }
     }
     with open(rate_limits_file, "w") as file:
         yaml.dump(rate_limits, file)
diff --git a/tests/test_30_limits.py b/tests/test_30_limits.py
index 43a5d35..67764e6 100644
--- a/tests/test_30_limits.py
+++ b/tests/test_30_limits.py
@@ -22,14 +22,15 @@
 
 
 def test_get_rate_limits() -> None:
-    rate_limits = {"/jobs/{job_id}": {"get": {"api": ["2/second"]}}}
+    rate_limits = {"auth": {"/jobs/{job_id}": {"get": {"api": ["2/second"]}}}}
     rate_limits_config = config.RateLimitsConfig(**rate_limits)
 
+    user_type = "auth"
     route = "jobs_jobsid"
     method = "get"
     request_origin = "api"
     rate_limits = cads_processing_api_service.limits.get_rate_limits(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = ["2/second"]
     assert rate_limits == exp_rate_limits
@@ -37,18 +38,21 @@ def test_get_rate_limits() -> None:
 
 def test_get_rate_limits_route_param() -> None:
     rate_limits = {
-        "/processes/{process_id}/execution": {
-            "process_id": {"post": {"api": ["2/second"]}}
+        "auth": {
+            "/processes/{process_id}/execution": {
+                "process_id": {"post": {"api": ["2/second"]}}
+            }
         }
     }
     rate_limits_config = config.RateLimitsConfig(**rate_limits)
 
+    user_type = "auth"
     route = "processes_processid_execution"
     route_param = "process_id"
     method = "post"
     request_origin = "api"
     rate_limits = cads_processing_api_service.limits.get_rate_limits(
-        rate_limits_config, route, method, request_origin, route_param
+        rate_limits_config, user_type, route, method, request_origin, route_param
     )
     exp_rate_limits = ["2/second"]
     assert rate_limits == exp_rate_limits
@@ -56,16 +60,18 @@ def test_get_rate_limits_route_param() -> None:
 
 def test_get_rate_limits_defaulted_actual_value() -> None:
     rate_limits = {
-        "/jobs/{job_id}": {"get": {"api": ["2/second"]}},
-        "default": {"get": {"api": ["1/second"]}},
+        "auth": {
+            "/jobs/{job_id}": {"get": {"api": ["2/second"]}},
+            "default": {"get": {"api": ["1/second"]}},
+        }
     }
     rate_limits_config = config.RateLimitsConfig(**rate_limits)
-
+    user_type = "auth"
     route = "jobs_jobsid"
     method = "get"
     request_origin = "api"
     rate_limits = cads_processing_api_service.limits.get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = ["2/second"]
     assert rate_limits == exp_rate_limits
@@ -73,17 +79,19 @@ def test_get_rate_limits_defaulted_actual_value() -> None:
 
 def test_get_rate_limits_defaulted_default_value() -> None:
     rate_limits = {
-        "/jobs/{job_id}": {"post": {"api": ["2/second"]}},
-        "/jobs": {"get": {"api": ["2/second"]}},
-        "default": {"post": {"ui": ["1/second"]}},
+        "auth": {
+            "/jobs/{job_id}": {"post": {"api": ["2/second"]}},
+            "/jobs": {"get": {"api": ["2/second"]}},
+            "default": {"post": {"ui": ["1/second"]}},
+        }
     }
     rate_limits_config = config.RateLimitsConfig(**rate_limits)
-
+    user_type = "auth"
     route = "jobs_jobsid"
     method = "post"
     request_origin = "ui"
     rate_limits = cads_processing_api_service.limits.get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = ["1/second"]
     assert rate_limits == exp_rate_limits
@@ -92,7 +100,7 @@ def test_get_rate_limits_defaulted_default_value() -> None:
     method = "post"
     request_origin = "ui"
     rate_limits = cads_processing_api_service.limits.get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = ["1/second"]
     assert rate_limits == exp_rate_limits
@@ -101,7 +109,7 @@ def test_get_rate_limits_defaulted_default_value() -> None:
     method = "post"
     request_origin = "ui"
     rate_limits = cads_processing_api_service.limits.get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = ["1/second"]
     assert rate_limits == exp_rate_limits
@@ -109,19 +117,21 @@ def test_get_rate_limits_defaulted_default_value() -> None:
 
 def test_get_rate_limits_defaulted_route_param_actual_value() -> None:
     rate_limits = {
-        "/processes/{process_id}/execution": {
-            "test_process_id": {"post": {"api": ["2/second"]}}
-        },
-        "default": {"post": {"ui": ["1/second"]}},
+        "auth": {
+            "/processes/{process_id}/execution": {
+                "test_process_id": {"post": {"api": ["2/second"]}}
+            },
+            "default": {"post": {"ui": ["1/second"]}},
+        }
     }
     rate_limits_config = config.RateLimitsConfig(**rate_limits)
-
+    user_type = "auth"
     route = "processes_processid_execution"
     method = "post"
     request_origin = "api"
     route_param = "test_process_id"
     rate_limits = cads_processing_api_service.limits.get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin, route_param
+        rate_limits_config, user_type, route, method, request_origin, route_param
     )
     exp_rate_limits = ["2/second"]
     assert rate_limits == exp_rate_limits
@@ -129,20 +139,22 @@ def test_get_rate_limits_defaulted_route_param_actual_value() -> None:
 
 def test_get_rate_limits_defaulted_route_param_default_value() -> None:
     rate_limits = {
-        "/processes/{process_id}/execution": {
-            "test_process_id": {"post": {"api": ["2/second"]}},
-            "default": {"post": {"api": ["1/second"]}},
-        },
-        "default": {"post": {"ui": ["1/minute"]}},
+        "auth": {
+            "/processes/{process_id}/execution": {
+                "test_process_id": {"post": {"api": ["2/second"]}},
+                "default": {"post": {"api": ["1/second"]}},
+            },
+            "default": {"post": {"ui": ["1/minute"]}},
+        }
     }
     rate_limits_config = config.RateLimitsConfig(**rate_limits)
-
+    user_type = "auth"
     route = "processes_processid_execution"
     method = "post"
     request_origin = "api"
     route_param = "missing_test_process_id"
     rate_limits = cads_processing_api_service.limits.get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin, route_param
+        rate_limits_config, user_type, route, method, request_origin, route_param
     )
     exp_rate_limits = ["1/second"]
     assert rate_limits == exp_rate_limits
@@ -152,21 +164,21 @@ def test_get_rate_limits_defaulted_route_param_default_value() -> None:
     request_origin = "ui"
     route_param = "missing_test_process_id"
     rate_limits = cads_processing_api_service.limits.get_rate_limits_defaulted(
-        rate_limits_config, route, method, request_origin, route_param
+        rate_limits_config, user_type, route, method, request_origin, route_param
     )
     exp_rate_limits = ["1/minute"]
     assert rate_limits == exp_rate_limits
 
 
 def test_get_rate_limits_undefined() -> None:
-    rate_limits = {"/jobs": {"get": {"api": ["2/second"]}}}
+    rate_limits = {"auth": {"/jobs": {"get": {"api": ["2/second"]}}}}
     rate_limits_config = config.RateLimitsConfig.model_validate(rate_limits)
-
+    user_type = "auth"
     route = "jobs"
     method = "get"
     request_origin = "ui"
     rate_limits = cads_processing_api_service.limits.get_rate_limits(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = []
     assert rate_limits == exp_rate_limits
@@ -175,7 +187,7 @@ def test_get_rate_limits_undefined() -> None:
     method = "post"
     request_origin = "ui"
     rate_limits = cads_processing_api_service.limits.get_rate_limits(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = []
     assert rate_limits == exp_rate_limits
@@ -184,7 +196,7 @@ def test_get_rate_limits_undefined() -> None:
     method = "get"
     request_origin = "ui"
     rate_limits = cads_processing_api_service.limits.get_rate_limits(
-        rate_limits_config, route, method, request_origin
+        rate_limits_config, user_type, route, method, request_origin
     )
     exp_rate_limits = []
     assert rate_limits == exp_rate_limits