diff --git a/docs/configuration.md b/docs/configuration.md
index ce3a293..138ef87 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -552,6 +552,7 @@ ccproxy:
       api.openai.com: openai
       generativelanguage.googleapis.com: google
       openrouter.ai: openrouter
+      router.requesty.ai: requesty
     mitmproxy:
       ssl_insecure: true
       web_host: 127.0.0.1
diff --git a/src/ccproxy/specs/model_catalog.py b/src/ccproxy/specs/model_catalog.py
index ed48151..af1282f 100644
--- a/src/ccproxy/specs/model_catalog.py
+++ b/src/ccproxy/specs/model_catalog.py
@@ -52,6 +52,11 @@ def _perplexity_model_ids() -> list[str]:
     "deepseek": [
         "deepseek-v4",
     ],
+    "requesty": [
+        "openai/gpt-4o-mini",
+        "anthropic/claude-sonnet-4-5",
+        "google/gemini-2.5-flash",
+    ],
     "perplexity": _perplexity_model_ids(),
 }
 """Provider → model IDs floor list. Updated alongside provider releases."""
@@ -60,6 +65,7 @@ def _perplexity_model_ids() -> list[str]:
 _PROVIDER_ENDPOINTS: dict[str, str] = {
     "anthropic": "https://api.anthropic.com/v1/models",
     "openrouter": "https://openrouter.ai/api/v1/models",
+    "requesty": "https://router.requesty.ai/v1/models",
 }
 """Provider → upstream ``/v1/models`` URL for live merge. gemini is omitted
 because it requires GCP project context that ccproxy doesn't have at
diff --git a/tests/test_model_catalog.py b/tests/test_model_catalog.py
index c040aa0..2dd7d4d 100644
--- a/tests/test_model_catalog.py
+++ b/tests/test_model_catalog.py
@@ -43,6 +43,14 @@ def test_static_floor_contains_known_gemini_models() -> None:
     assert "gemini-2.5-flash" in ids
 
 
+def test_static_floor_contains_known_requesty_models() -> None:
+    """The floor includes known Requesty (OpenAI-compatible gateway) model IDs."""
+    catalog = build_catalog()
+    ids = {entry["id"] for entry in catalog["data"]}
+    assert "openai/gpt-4o-mini" in ids
+    assert "anthropic/claude-sonnet-4-5" in ids
+
+
 def test_owned_by_matches_provider_keys() -> None:
     """Each entry's ``owned_by`` is one of the provider keys in STATIC_MODEL_CATALOG."""
     catalog = build_catalog()
@@ -88,6 +96,33 @@ def handler(request: httpx.Request) -> httpx.Response:
     assert ids.count("claude-opus-4-7") == 1
 
 
+def test_refresh_merges_live_requesty_models() -> None:
+    """``refresh=True`` unions live Requesty models with the static floor (deduped)."""
+    set_config_instance(CCProxyConfig())
+
+    def handler(request: httpx.Request) -> httpx.Response:
+        if "router.requesty.ai" in str(request.url):
+            return httpx.Response(
+                200,
+                json={
+                    "object": "list",
+                    "data": [
+                        # one new model not in the floor
+                        {"id": "deepseek/deepseek-chat", "object": "model", "created": 1700000000},
+                        # one duplicate of a floor entry
+                        {"id": "openai/gpt-4o-mini", "object": "model"},
+                    ],
+                },
+            )
+        return httpx.Response(404)
+
+    catalog = build_catalog(refresh=True, transport=httpx.MockTransport(handler))
+    ids = [entry["id"] for entry in catalog["data"]]
+    assert "deepseek/deepseek-chat" in ids
+    # The duplicate floor entry is not double-counted (deduped by (owned_by, id)).
+    assert ids.count("openai/gpt-4o-mini") == 1
+
+
 def test_refresh_provider_failure_falls_back_to_floor() -> None:
     """A provider HTTP failure does not remove its floor entries from the result."""
     set_config_instance(CCProxyConfig())