diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index a8f71224..2601677b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.0.1"
+  ".": "1.1.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 416ca776..73df72e5 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 14
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/brainbase-egrigokhan%2Fbrainbase-08ae1ff5d23bf55fb80b97659560a13a3d627ccba5ac5f8478157e9a51a32793.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/brainbase-egrigokhan%2Fbrainbase-0c00485d66a3b7505f3247467ef293fa5fb43a64e90a8b03a4127a2d9b15e6ab.yml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba5c43b3..956d0c9e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 1.1.0 (2025-02-04)
+
+Full Changelog: [v1.0.1...v1.1.0](https://github.com/BrainbaseHQ/brainbase-python-sdk/compare/v1.0.1...v1.1.0)
+
+### Features
+
+* **api:** update via SDK Studio ([#10](https://github.com/BrainbaseHQ/brainbase-python-sdk/issues/10)) ([4fb75c8](https://github.com/BrainbaseHQ/brainbase-python-sdk/commit/4fb75c8c78c172cb0a80be304334803956968247))
+* **api:** update via SDK Studio ([#8](https://github.com/BrainbaseHQ/brainbase-python-sdk/issues/8)) ([312b657](https://github.com/BrainbaseHQ/brainbase-python-sdk/commit/312b657cf73569a314b3c64ed83521ca2bb576a5))
+
 ## 1.0.1 (2025-02-04)
 
 Full Changelog: [v1.0.0...v1.0.1](https://github.com/BrainbaseHQ/brainbase-python-sdk/compare/v1.0.0...v1.0.1)
diff --git a/README.md b/README.md
index d353b142..fe9edc6f 100644
--- a/README.md
+++ b/README.md
@@ -28,16 +28,16 @@ import os
 from brainbase import Brainbase
 
 client = Brainbase(
-    bearer_token=os.environ.get("BEARER_TOKEN"),  # This is the default and can be omitted
+    api_key=os.environ.get("API_KEY"),  # This is the default and can be omitted
 )
 
 client.workers.list()
 ```
 
-While you can provide a `bearer_token` keyword argument,
+While you can provide an `api_key` keyword argument,
 we recommend using [python-dotenv](https://pypi.org/project/python-dotenv/)
-to add `BEARER_TOKEN="My Bearer Token"` to your `.env` file
-so that your Bearer Token is not stored in source control.
+to add `API_KEY="My API Key"` to your `.env` file
+so that your API Key is not stored in source control.
 
 ## Async usage
 
@@ -49,7 +49,7 @@ import asyncio
 from brainbase import AsyncBrainbase
 
 client = AsyncBrainbase(
-    bearer_token=os.environ.get("BEARER_TOKEN"),  # This is the default and can be omitted
+    api_key=os.environ.get("API_KEY"),  # This is the default and can be omitted
 )
 
 
diff --git a/pyproject.toml b/pyproject.toml
index f636d55e..72a75753 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "brainbase-labs"
-version = "1.0.1"
+version = "1.1.0"
 description = "The official Python library for the brainbase API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/brainbase/_client.py b/src/brainbase/_client.py
index 94046af3..c42e10d6 100644
--- a/src/brainbase/_client.py
+++ b/src/brainbase/_client.py
@@ -51,12 +51,12 @@ class Brainbase(SyncAPIClient):
     with_streaming_response: BrainbaseWithStreamedResponse
 
     # client options
-    bearer_token: str
+    api_key: str
 
     def __init__(
         self,
         *,
-        bearer_token: str | None = None,
+        api_key: str | None = None,
         base_url: str | httpx.URL | None = None,
         timeout: Union[float, Timeout, None, NotGiven] = NOT_GIVEN,
         max_retries: int = DEFAULT_MAX_RETRIES,
@@ -78,15 +78,15 @@ def __init__(
     ) -> None:
         """Construct a new synchronous brainbase client instance.
 
-        This automatically infers the `bearer_token` argument from the `BEARER_TOKEN` environment variable if it is not provided.
+        This automatically infers the `api_key` argument from the `API_KEY` environment variable if it is not provided.
         """
-        if bearer_token is None:
-            bearer_token = os.environ.get("BEARER_TOKEN")
-        if bearer_token is None:
+        if api_key is None:
+            api_key = os.environ.get("API_KEY")
+        if api_key is None:
             raise BrainbaseError(
-                "The bearer_token client option must be set either by passing bearer_token to the client or by setting the BEARER_TOKEN environment variable"
+                "The api_key client option must be set either by passing api_key to the client or by setting the API_KEY environment variable"
             )
-        self.bearer_token = bearer_token
+        self.api_key = api_key
 
         if base_url is None:
             base_url = os.environ.get("BRAINBASE_BASE_URL")
@@ -116,8 +116,8 @@ def qs(self) -> Querystring:
     @property
     @override
     def auth_headers(self) -> dict[str, str]:
-        bearer_token = self.bearer_token
-        return {"Authorization": f"Bearer {bearer_token}"}
+        api_key = self.api_key
+        return {"x-api-key": api_key}
 
     @property
     @override
@@ -131,7 +131,7 @@ def default_headers(self) -> dict[str, str | Omit]:
     def copy(
         self,
         *,
-        bearer_token: str | None = None,
+        api_key: str | None = None,
         base_url: str | httpx.URL | None = None,
         timeout: float | Timeout | None | NotGiven = NOT_GIVEN,
         http_client: httpx.Client | None = None,
@@ -165,7 +165,7 @@ def copy(
 
         http_client = http_client or self._client
         return self.__class__(
-            bearer_token=bearer_token or self.bearer_token,
+            api_key=api_key or self.api_key,
             base_url=base_url or self.base_url,
             timeout=self.timeout if isinstance(timeout, NotGiven) else timeout,
             http_client=http_client,
@@ -219,12 +219,12 @@ class AsyncBrainbase(AsyncAPIClient):
     with_streaming_response: AsyncBrainbaseWithStreamedResponse
 
     # client options
-    bearer_token: str
+    api_key: str
 
     def __init__(
         self,
         *,
-        bearer_token: str | None = None,
+        api_key: str | None = None,
         base_url: str | httpx.URL | None = None,
         timeout: Union[float, Timeout, None, NotGiven] = NOT_GIVEN,
         max_retries: int = DEFAULT_MAX_RETRIES,
@@ -246,15 +246,15 @@ def __init__(
     ) -> None:
         """Construct a new async brainbase client instance.
 
-        This automatically infers the `bearer_token` argument from the `BEARER_TOKEN` environment variable if it is not provided.
+        This automatically infers the `api_key` argument from the `API_KEY` environment variable if it is not provided.
         """
-        if bearer_token is None:
-            bearer_token = os.environ.get("BEARER_TOKEN")
-        if bearer_token is None:
+        if api_key is None:
+            api_key = os.environ.get("API_KEY")
+        if api_key is None:
             raise BrainbaseError(
-                "The bearer_token client option must be set either by passing bearer_token to the client or by setting the BEARER_TOKEN environment variable"
+                "The api_key client option must be set either by passing api_key to the client or by setting the API_KEY environment variable"
             )
-        self.bearer_token = bearer_token
+        self.api_key = api_key
 
         if base_url is None:
             base_url = os.environ.get("BRAINBASE_BASE_URL")
@@ -284,8 +284,8 @@ def qs(self) -> Querystring:
     @property
     @override
     def auth_headers(self) -> dict[str, str]:
-        bearer_token = self.bearer_token
-        return {"Authorization": f"Bearer {bearer_token}"}
+        api_key = self.api_key
+        return {"x-api-key": api_key}
 
     @property
     @override
@@ -299,7 +299,7 @@ def default_headers(self) -> dict[str, str | Omit]:
     def copy(
         self,
         *,
-        bearer_token: str | None = None,
+        api_key: str | None = None,
         base_url: str | httpx.URL | None = None,
         timeout: float | Timeout | None | NotGiven = NOT_GIVEN,
         http_client: httpx.AsyncClient | None = None,
@@ -333,7 +333,7 @@ def copy(
 
         http_client = http_client or self._client
         return self.__class__(
-            bearer_token=bearer_token or self.bearer_token,
+            api_key=api_key or self.api_key,
             base_url=base_url or self.base_url,
             timeout=self.timeout if isinstance(timeout, NotGiven) else timeout,
             http_client=http_client,
diff --git a/src/brainbase/_version.py b/src/brainbase/_version.py
index 4394b180..4e49c74d 100644
--- a/src/brainbase/_version.py
+++ b/src/brainbase/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "brainbase"
-__version__ = "1.0.1"  # x-release-please-version
+__version__ = "1.1.0"  # x-release-please-version
diff --git a/tests/conftest.py b/tests/conftest.py
index 9a8b7c7c..8e89d982 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -28,7 +28,7 @@ def pytest_collection_modifyitems(items: list[pytest.Function]) -> None:
 
 base_url = os.environ.get("TEST_API_BASE_URL", "http://127.0.0.1:4010")
 
-bearer_token = "My Bearer Token"
+api_key = "My API Key"
 
 
 @pytest.fixture(scope="session")
@@ -37,7 +37,7 @@ def client(request: FixtureRequest) -> Iterator[Brainbase]:
     if not isinstance(strict, bool):
         raise TypeError(f"Unexpected fixture parameter type {type(strict)}, expected {bool}")
 
-    with Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=strict) as client:
+    with Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=strict) as client:
         yield client
 
 
@@ -47,7 +47,5 @@ async def async_client(request: FixtureRequest) -> AsyncIterator[AsyncBrainbase]
     if not isinstance(strict, bool):
         raise TypeError(f"Unexpected fixture parameter type {type(strict)}, expected {bool}")
 
-    async with AsyncBrainbase(
-        base_url=base_url, bearer_token=bearer_token, _strict_response_validation=strict
-    ) as client:
+    async with AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=strict) as client:
         yield client
diff --git a/tests/test_client.py b/tests/test_client.py
index 172269eb..c3570edb 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -36,7 +36,7 @@
 from .utils import update_env
 
 base_url = os.environ.get("TEST_API_BASE_URL", "http://127.0.0.1:4010")
-bearer_token = "My Bearer Token"
+api_key = "My API Key"
 
 
 def _get_params(client: BaseClient[Any, Any]) -> dict[str, str]:
@@ -58,7 +58,7 @@ def _get_open_connections(client: Brainbase | AsyncBrainbase) -> int:
 
 
 class TestBrainbase:
-    client = Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+    client = Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
     @pytest.mark.respx(base_url=base_url)
     def test_raw_response(self, respx_mock: MockRouter) -> None:
@@ -84,9 +84,9 @@ def test_copy(self) -> None:
         copied = self.client.copy()
         assert id(copied) != id(self.client)
 
-        copied = self.client.copy(bearer_token="another My Bearer Token")
-        assert copied.bearer_token == "another My Bearer Token"
-        assert self.client.bearer_token == "My Bearer Token"
+        copied = self.client.copy(api_key="another My API Key")
+        assert copied.api_key == "another My API Key"
+        assert self.client.api_key == "My API Key"
 
     def test_copy_default_options(self) -> None:
         # options that have a default are overridden correctly
@@ -106,10 +106,7 @@ def test_copy_default_options(self) -> None:
 
     def test_copy_default_headers(self) -> None:
         client = Brainbase(
-            base_url=base_url,
-            bearer_token=bearer_token,
-            _strict_response_validation=True,
-            default_headers={"X-Foo": "bar"},
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_headers={"X-Foo": "bar"}
         )
         assert client.default_headers["X-Foo"] == "bar"
 
@@ -143,7 +140,7 @@ def test_copy_default_headers(self) -> None:
 
     def test_copy_default_query(self) -> None:
         client = Brainbase(
-            base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, default_query={"foo": "bar"}
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_query={"foo": "bar"}
         )
         assert _get_params(client)["foo"] == "bar"
 
@@ -268,7 +265,7 @@ def test_request_timeout(self) -> None:
 
     def test_client_timeout_option(self) -> None:
         client = Brainbase(
-            base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, timeout=httpx.Timeout(0)
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, timeout=httpx.Timeout(0)
         )
 
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -279,7 +276,7 @@ def test_http_client_timeout_option(self) -> None:
         # custom timeout given to the httpx client should be used
         with httpx.Client(timeout=None) as http_client:
             client = Brainbase(
-                base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, http_client=http_client
+                base_url=base_url, api_key=api_key, _strict_response_validation=True, http_client=http_client
             )
 
             request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -289,7 +286,7 @@ def test_http_client_timeout_option(self) -> None:
         # no timeout given to the httpx client should not use the httpx default
         with httpx.Client() as http_client:
             client = Brainbase(
-                base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, http_client=http_client
+                base_url=base_url, api_key=api_key, _strict_response_validation=True, http_client=http_client
             )
 
             request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -299,7 +296,7 @@ def test_http_client_timeout_option(self) -> None:
         # explicitly passing the default timeout currently results in it being ignored
         with httpx.Client(timeout=HTTPX_DEFAULT_TIMEOUT) as http_client:
             client = Brainbase(
-                base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, http_client=http_client
+                base_url=base_url, api_key=api_key, _strict_response_validation=True, http_client=http_client
             )
 
             request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -311,17 +308,14 @@ async def test_invalid_http_client(self) -> None:
             async with httpx.AsyncClient() as http_client:
                 Brainbase(
                     base_url=base_url,
-                    bearer_token=bearer_token,
+                    api_key=api_key,
                     _strict_response_validation=True,
                     http_client=cast(Any, http_client),
                 )
 
     def test_default_headers_option(self) -> None:
         client = Brainbase(
-            base_url=base_url,
-            bearer_token=bearer_token,
-            _strict_response_validation=True,
-            default_headers={"X-Foo": "bar"},
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_headers={"X-Foo": "bar"}
         )
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
         assert request.headers.get("x-foo") == "bar"
@@ -329,7 +323,7 @@ def test_default_headers_option(self) -> None:
 
         client2 = Brainbase(
             base_url=base_url,
-            bearer_token=bearer_token,
+            api_key=api_key,
             _strict_response_validation=True,
             default_headers={
                 "X-Foo": "stainless",
@@ -341,21 +335,18 @@ def test_default_headers_option(self) -> None:
         assert request.headers.get("x-stainless-lang") == "my-overriding-header"
 
     def test_validate_headers(self) -> None:
-        client = Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
-        assert request.headers.get("Authorization") == f"Bearer {bearer_token}"
+        assert request.headers.get("x-api-key") == api_key
 
         with pytest.raises(BrainbaseError):
-            with update_env(**{"BEARER_TOKEN": Omit()}):
-                client2 = Brainbase(base_url=base_url, bearer_token=None, _strict_response_validation=True)
+            with update_env(**{"API_KEY": Omit()}):
+                client2 = Brainbase(base_url=base_url, api_key=None, _strict_response_validation=True)
             _ = client2
 
     def test_default_query_option(self) -> None:
         client = Brainbase(
-            base_url=base_url,
-            bearer_token=bearer_token,
-            _strict_response_validation=True,
-            default_query={"query_param": "bar"},
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_query={"query_param": "bar"}
         )
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
         url = httpx.URL(request.url)
@@ -555,9 +546,7 @@ class Model(BaseModel):
         assert response.foo == 2
 
     def test_base_url_setter(self) -> None:
-        client = Brainbase(
-            base_url="https://example.com/from_init", bearer_token=bearer_token, _strict_response_validation=True
-        )
+        client = Brainbase(base_url="https://example.com/from_init", api_key=api_key, _strict_response_validation=True)
         assert client.base_url == "https://example.com/from_init/"
 
         client.base_url = "https://example.com/from_setter"  # type: ignore[assignment]
@@ -566,20 +555,16 @@ def test_base_url_setter(self) -> None:
 
     def test_base_url_env(self) -> None:
         with update_env(BRAINBASE_BASE_URL="http://localhost:5000/from/env"):
-            client = Brainbase(bearer_token=bearer_token, _strict_response_validation=True)
+            client = Brainbase(api_key=api_key, _strict_response_validation=True)
             assert client.base_url == "http://localhost:5000/from/env/"
 
     @pytest.mark.parametrize(
         "client",
         [
+            Brainbase(base_url="http://localhost:5000/custom/path/", api_key=api_key, _strict_response_validation=True),
             Brainbase(
                 base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
-            ),
-            Brainbase(
-                base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
+                api_key=api_key,
                 _strict_response_validation=True,
                 http_client=httpx.Client(),
             ),
@@ -599,14 +584,10 @@ def test_base_url_trailing_slash(self, client: Brainbase) -> None:
     @pytest.mark.parametrize(
         "client",
         [
+            Brainbase(base_url="http://localhost:5000/custom/path/", api_key=api_key, _strict_response_validation=True),
             Brainbase(
                 base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
-            ),
-            Brainbase(
-                base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
+                api_key=api_key,
                 _strict_response_validation=True,
                 http_client=httpx.Client(),
             ),
@@ -626,14 +607,10 @@ def test_base_url_no_trailing_slash(self, client: Brainbase) -> None:
     @pytest.mark.parametrize(
         "client",
         [
+            Brainbase(base_url="http://localhost:5000/custom/path/", api_key=api_key, _strict_response_validation=True),
             Brainbase(
                 base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
-            ),
-            Brainbase(
-                base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
+                api_key=api_key,
                 _strict_response_validation=True,
                 http_client=httpx.Client(),
             ),
@@ -651,7 +628,7 @@ def test_absolute_request_url(self, client: Brainbase) -> None:
         assert request.url == "https://myapi.com/foo"
 
     def test_copied_client_does_not_close_http(self) -> None:
-        client = Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         assert not client.is_closed()
 
         copied = client.copy()
@@ -662,7 +639,7 @@ def test_copied_client_does_not_close_http(self) -> None:
         assert not client.is_closed()
 
     def test_client_context_manager(self) -> None:
-        client = Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         with client as c2:
             assert c2 is client
             assert not c2.is_closed()
@@ -683,12 +660,7 @@ class Model(BaseModel):
 
     def test_client_max_retries_validation(self) -> None:
         with pytest.raises(TypeError, match=r"max_retries cannot be None"):
-            Brainbase(
-                base_url=base_url,
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
-                max_retries=cast(Any, None),
-            )
+            Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True, max_retries=cast(Any, None))
 
     @pytest.mark.respx(base_url=base_url)
     def test_received_text_for_expected_json(self, respx_mock: MockRouter) -> None:
@@ -697,12 +669,12 @@ class Model(BaseModel):
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, text="my-custom-format"))
 
-        strict_client = Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        strict_client = Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
         with pytest.raises(APIResponseValidationError):
             strict_client.get("/foo", cast_to=Model)
 
-        client = Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=False)
+        client = Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=False)
 
         response = client.get("/foo", cast_to=Model)
         assert isinstance(response, str)  # type: ignore[unreachable]
@@ -730,7 +702,7 @@ class Model(BaseModel):
     )
     @mock.patch("time.time", mock.MagicMock(return_value=1696004797))
     def test_parse_retry_after_header(self, remaining_retries: int, retry_after: str, timeout: float) -> None:
-        client = Brainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = Brainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
         headers = httpx.Headers({"retry-after": retry_after})
         options = FinalRequestOptions(method="get", url="/foo", max_retries=3)
@@ -840,7 +812,7 @@ def retry_handler(_request: httpx.Request) -> httpx.Response:
 
 
 class TestAsyncBrainbase:
-    client = AsyncBrainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+    client = AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
     @pytest.mark.respx(base_url=base_url)
     @pytest.mark.asyncio
@@ -868,9 +840,9 @@ def test_copy(self) -> None:
         copied = self.client.copy()
         assert id(copied) != id(self.client)
 
-        copied = self.client.copy(bearer_token="another My Bearer Token")
-        assert copied.bearer_token == "another My Bearer Token"
-        assert self.client.bearer_token == "My Bearer Token"
+        copied = self.client.copy(api_key="another My API Key")
+        assert copied.api_key == "another My API Key"
+        assert self.client.api_key == "My API Key"
 
     def test_copy_default_options(self) -> None:
         # options that have a default are overridden correctly
@@ -890,10 +862,7 @@ def test_copy_default_options(self) -> None:
 
     def test_copy_default_headers(self) -> None:
         client = AsyncBrainbase(
-            base_url=base_url,
-            bearer_token=bearer_token,
-            _strict_response_validation=True,
-            default_headers={"X-Foo": "bar"},
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_headers={"X-Foo": "bar"}
         )
         assert client.default_headers["X-Foo"] == "bar"
 
@@ -927,7 +896,7 @@ def test_copy_default_headers(self) -> None:
 
     def test_copy_default_query(self) -> None:
         client = AsyncBrainbase(
-            base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, default_query={"foo": "bar"}
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_query={"foo": "bar"}
         )
         assert _get_params(client)["foo"] == "bar"
 
@@ -1052,7 +1021,7 @@ async def test_request_timeout(self) -> None:
 
     async def test_client_timeout_option(self) -> None:
         client = AsyncBrainbase(
-            base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, timeout=httpx.Timeout(0)
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, timeout=httpx.Timeout(0)
         )
 
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -1063,7 +1032,7 @@ async def test_http_client_timeout_option(self) -> None:
         # custom timeout given to the httpx client should be used
         async with httpx.AsyncClient(timeout=None) as http_client:
             client = AsyncBrainbase(
-                base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, http_client=http_client
+                base_url=base_url, api_key=api_key, _strict_response_validation=True, http_client=http_client
             )
 
             request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -1073,7 +1042,7 @@ async def test_http_client_timeout_option(self) -> None:
         # no timeout given to the httpx client should not use the httpx default
         async with httpx.AsyncClient() as http_client:
             client = AsyncBrainbase(
-                base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, http_client=http_client
+                base_url=base_url, api_key=api_key, _strict_response_validation=True, http_client=http_client
             )
 
             request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -1083,7 +1052,7 @@ async def test_http_client_timeout_option(self) -> None:
         # explicitly passing the default timeout currently results in it being ignored
         async with httpx.AsyncClient(timeout=HTTPX_DEFAULT_TIMEOUT) as http_client:
             client = AsyncBrainbase(
-                base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True, http_client=http_client
+                base_url=base_url, api_key=api_key, _strict_response_validation=True, http_client=http_client
             )
 
             request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
@@ -1095,17 +1064,14 @@ def test_invalid_http_client(self) -> None:
             with httpx.Client() as http_client:
                 AsyncBrainbase(
                     base_url=base_url,
-                    bearer_token=bearer_token,
+                    api_key=api_key,
                     _strict_response_validation=True,
                     http_client=cast(Any, http_client),
                 )
 
     def test_default_headers_option(self) -> None:
         client = AsyncBrainbase(
-            base_url=base_url,
-            bearer_token=bearer_token,
-            _strict_response_validation=True,
-            default_headers={"X-Foo": "bar"},
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_headers={"X-Foo": "bar"}
         )
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
         assert request.headers.get("x-foo") == "bar"
@@ -1113,7 +1079,7 @@ def test_default_headers_option(self) -> None:
 
         client2 = AsyncBrainbase(
             base_url=base_url,
-            bearer_token=bearer_token,
+            api_key=api_key,
             _strict_response_validation=True,
             default_headers={
                 "X-Foo": "stainless",
@@ -1125,21 +1091,18 @@ def test_default_headers_option(self) -> None:
         assert request.headers.get("x-stainless-lang") == "my-overriding-header"
 
     def test_validate_headers(self) -> None:
-        client = AsyncBrainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
-        assert request.headers.get("Authorization") == f"Bearer {bearer_token}"
+        assert request.headers.get("x-api-key") == api_key
 
         with pytest.raises(BrainbaseError):
-            with update_env(**{"BEARER_TOKEN": Omit()}):
-                client2 = AsyncBrainbase(base_url=base_url, bearer_token=None, _strict_response_validation=True)
+            with update_env(**{"API_KEY": Omit()}):
+                client2 = AsyncBrainbase(base_url=base_url, api_key=None, _strict_response_validation=True)
             _ = client2
 
     def test_default_query_option(self) -> None:
         client = AsyncBrainbase(
-            base_url=base_url,
-            bearer_token=bearer_token,
-            _strict_response_validation=True,
-            default_query={"query_param": "bar"},
+            base_url=base_url, api_key=api_key, _strict_response_validation=True, default_query={"query_param": "bar"}
         )
         request = client._build_request(FinalRequestOptions(method="get", url="/foo"))
         url = httpx.URL(request.url)
@@ -1340,7 +1303,7 @@ class Model(BaseModel):
 
     def test_base_url_setter(self) -> None:
         client = AsyncBrainbase(
-            base_url="https://example.com/from_init", bearer_token=bearer_token, _strict_response_validation=True
+            base_url="https://example.com/from_init", api_key=api_key, _strict_response_validation=True
         )
         assert client.base_url == "https://example.com/from_init/"
 
@@ -1350,20 +1313,18 @@ def test_base_url_setter(self) -> None:
 
     def test_base_url_env(self) -> None:
         with update_env(BRAINBASE_BASE_URL="http://localhost:5000/from/env"):
-            client = AsyncBrainbase(bearer_token=bearer_token, _strict_response_validation=True)
+            client = AsyncBrainbase(api_key=api_key, _strict_response_validation=True)
             assert client.base_url == "http://localhost:5000/from/env/"
 
     @pytest.mark.parametrize(
         "client",
         [
             AsyncBrainbase(
-                base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
+                base_url="http://localhost:5000/custom/path/", api_key=api_key, _strict_response_validation=True
             ),
             AsyncBrainbase(
                 base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
+                api_key=api_key,
                 _strict_response_validation=True,
                 http_client=httpx.AsyncClient(),
             ),
@@ -1384,13 +1345,11 @@ def test_base_url_trailing_slash(self, client: AsyncBrainbase) -> None:
         "client",
         [
             AsyncBrainbase(
-                base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
+                base_url="http://localhost:5000/custom/path/", api_key=api_key, _strict_response_validation=True
             ),
             AsyncBrainbase(
                 base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
+                api_key=api_key,
                 _strict_response_validation=True,
                 http_client=httpx.AsyncClient(),
             ),
@@ -1411,13 +1370,11 @@ def test_base_url_no_trailing_slash(self, client: AsyncBrainbase) -> None:
         "client",
         [
             AsyncBrainbase(
-                base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
+                base_url="http://localhost:5000/custom/path/", api_key=api_key, _strict_response_validation=True
             ),
             AsyncBrainbase(
                 base_url="http://localhost:5000/custom/path/",
-                bearer_token=bearer_token,
+                api_key=api_key,
                 _strict_response_validation=True,
                 http_client=httpx.AsyncClient(),
             ),
@@ -1435,7 +1392,7 @@ def test_absolute_request_url(self, client: AsyncBrainbase) -> None:
         assert request.url == "https://myapi.com/foo"
 
     async def test_copied_client_does_not_close_http(self) -> None:
-        client = AsyncBrainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         assert not client.is_closed()
 
         copied = client.copy()
@@ -1447,7 +1404,7 @@ async def test_copied_client_does_not_close_http(self) -> None:
         assert not client.is_closed()
 
     async def test_client_context_manager(self) -> None:
-        client = AsyncBrainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
         async with client as c2:
             assert c2 is client
             assert not c2.is_closed()
@@ -1470,10 +1427,7 @@ class Model(BaseModel):
     async def test_client_max_retries_validation(self) -> None:
         with pytest.raises(TypeError, match=r"max_retries cannot be None"):
             AsyncBrainbase(
-                base_url=base_url,
-                bearer_token=bearer_token,
-                _strict_response_validation=True,
-                max_retries=cast(Any, None),
+                base_url=base_url, api_key=api_key, _strict_response_validation=True, max_retries=cast(Any, None)
             )
 
     @pytest.mark.respx(base_url=base_url)
@@ -1484,12 +1438,12 @@ class Model(BaseModel):
 
         respx_mock.get("/foo").mock(return_value=httpx.Response(200, text="my-custom-format"))
 
-        strict_client = AsyncBrainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        strict_client = AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
         with pytest.raises(APIResponseValidationError):
             await strict_client.get("/foo", cast_to=Model)
 
-        client = AsyncBrainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=False)
+        client = AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=False)
 
         response = await client.get("/foo", cast_to=Model)
         assert isinstance(response, str)  # type: ignore[unreachable]
@@ -1518,7 +1472,7 @@ class Model(BaseModel):
     @mock.patch("time.time", mock.MagicMock(return_value=1696004797))
     @pytest.mark.asyncio
     async def test_parse_retry_after_header(self, remaining_retries: int, retry_after: str, timeout: float) -> None:
-        client = AsyncBrainbase(base_url=base_url, bearer_token=bearer_token, _strict_response_validation=True)
+        client = AsyncBrainbase(base_url=base_url, api_key=api_key, _strict_response_validation=True)
 
         headers = httpx.Headers({"retry-after": retry_after})
         options = FinalRequestOptions(method="get", url="/foo", max_retries=3)