diff --git a/package-lock.json b/package-lock.json
index 3284f14d..b65fac1f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,8 +10,8 @@
       "license": "MIT",
       "devDependencies": {
         "@prettier/plugin-php": "^0.25.0",
-        "@seamapi/blueprint": "^1.7.0",
-        "@seamapi/fake-seam-connect": "1.86.0",
+        "@seamapi/blueprint": "^1.8.0",
+        "@seamapi/fake-seam-connect": "2.0.4",
         "@seamapi/smith": "^1.1.0",
         "@seamapi/types": "1.1001.0",
         "change-case": "^5.4.4",
@@ -806,9 +806,9 @@
       "license": "MIT"
     },
     "node_modules/@seamapi/blueprint": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/@seamapi/blueprint/-/blueprint-1.7.0.tgz",
-      "integrity": "sha512-on9pREQKyFgIaS99KLcck5K6AqLEO8Iy5h1heuJ2sEC2A7wXk5s/TL8iDOB3+4eeaAwuHRPgze9/Omo84KjJkw==",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/@seamapi/blueprint/-/blueprint-1.8.0.tgz",
+      "integrity": "sha512-NUghBmYaKreBeBxwPIB2O9hjIFZtEjVj73tAsuKdJR8t4BxlKK1I0XDQXxo3ZsH2QezNlbdo9/0MoX/33VXuhQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -820,38 +820,20 @@
         "npm": ">=10.0.0"
       }
     },
-    "node_modules/@seamapi/fake-devicedb": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/@seamapi/fake-devicedb/-/fake-devicedb-1.6.1.tgz",
-      "integrity": "sha512-w4Ar/s2kPnE5ExJSlpD3sKL8lkF+rLHRROArIRxtR2reHfnDSVwnDt9TzBYkHqgMP/x4o7LUzlRRpobn2xn24A==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "engines": {
-        "node": ">=18.12.0",
-        "npm": ">= 9.0.0"
-      },
-      "optionalDependencies": {
-        "zod": "^3.21.4",
-        "zustand": "^4.3.7",
-        "zustand-hoist": "^2.0.0"
-      }
-    },
     "node_modules/@seamapi/fake-seam-connect": {
-      "version": "1.86.0",
-      "resolved": "https://registry.npmjs.org/@seamapi/fake-seam-connect/-/fake-seam-connect-1.86.0.tgz",
-      "integrity": "sha512-iO5fwtSIPhzmIiLxrFDtCYF/7HTb+ywcGmc3WzWt8Sr0bLQlmwCyTJ8YYZy++Hx0FsnNpa5AmlJuJGul9Y5gZA==",
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@seamapi/fake-seam-connect/-/fake-seam-connect-2.0.4.tgz",
+      "integrity": "sha512-pgPUhIMW462B3jIWTuhH/aK2wUxRuOLjhsjB7YxdXw2g+hTVRJ5w4t01spETu1g2bch3Rzffd0whUVLeC4vjwQ==",
       "dev": true,
       "license": "MIT",
       "bin": {
         "fake-seam-connect": "dist/server.js"
       },
       "engines": {
-        "node": ">=18.12.0",
-        "npm": ">= 9.0.0"
+        "node": ">=22.12.0",
+        "npm": ">=10.0.0"
       },
       "optionalDependencies": {
-        "@seamapi/fake-devicedb": ">=1.0.0-rc.0",
         "zustand": "^4.3.7",
         "zustand-hoist": "^2.0.0"
       }
diff --git a/package.json b/package.json
index 111e78fb..4fc65e1e 100644
--- a/package.json
+++ b/package.json
@@ -32,8 +32,8 @@
   },
   "devDependencies": {
     "@prettier/plugin-php": "^0.25.0",
-    "@seamapi/blueprint": "^1.7.0",
-    "@seamapi/fake-seam-connect": "1.86.0",
+    "@seamapi/blueprint": "^1.8.0",
+    "@seamapi/fake-seam-connect": "2.0.4",
     "@seamapi/smith": "^1.1.0",
     "@seamapi/types": "1.1001.0",
     "change-case": "^5.4.4",
diff --git a/src/Routes/AccessCodesClient.php b/src/Routes/AccessCodesClient.php
index d5fd5a91..7b6f3638 100644
--- a/src/Routes/AccessCodesClient.php
+++ b/src/Routes/AccessCodesClient.php
@@ -419,8 +419,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/access_codes/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/access_codes/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/AccessGrantsClient.php b/src/Routes/AccessGrantsClient.php
index 9d9074ff..46ae3690 100644
--- a/src/Routes/AccessGrantsClient.php
+++ b/src/Routes/AccessGrantsClient.php
@@ -215,8 +215,8 @@ public function get_related(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/access_grants/get_related", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/access_grants/get_related", [
+                "query" => $request_payload,
             ]),
         );
 
@@ -301,8 +301,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/access_grants/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/access_grants/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/AccessMethodsClient.php b/src/Routes/AccessMethodsClient.php
index 561c9cd6..e36c36ca 100644
--- a/src/Routes/AccessMethodsClient.php
+++ b/src/Routes/AccessMethodsClient.php
@@ -177,8 +177,8 @@ public function get_related(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/access_methods/get_related", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/access_methods/get_related", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/AcsEncodersClient.php b/src/Routes/AcsEncodersClient.php
index e21f8c41..0ec0f2b0 100644
--- a/src/Routes/AcsEncodersClient.php
+++ b/src/Routes/AcsEncodersClient.php
@@ -126,8 +126,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/acs/encoders/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/acs/encoders/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/AcsEntrancesClient.php b/src/Routes/AcsEntrancesClient.php
index d3c7502f..d9fcb87e 100644
--- a/src/Routes/AcsEntrancesClient.php
+++ b/src/Routes/AcsEntrancesClient.php
@@ -145,8 +145,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/acs/entrances/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/acs/entrances/list", [
+                "query" => $request_payload,
             ]),
         );
 
@@ -180,9 +180,9 @@ public function list_credentials_with_access(
 
         $res = Body::decode(
             $this->client->request(
-                "POST",
+                "GET",
                 "/acs/entrances/list_credentials_with_access",
-                ["json" => (object) $request_payload],
+                ["query" => $request_payload],
             ),
         );
 
diff --git a/src/Routes/ActionAttemptsClient.php b/src/Routes/ActionAttemptsClient.php
index 79d7eaf6..9e1e4944 100644
--- a/src/Routes/ActionAttemptsClient.php
+++ b/src/Routes/ActionAttemptsClient.php
@@ -88,8 +88,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/action_attempts/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/action_attempts/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/ConnectWebviewsClient.php b/src/Routes/ConnectWebviewsClient.php
index b34ff135..807dd4ae 100644
--- a/src/Routes/ConnectWebviewsClient.php
+++ b/src/Routes/ConnectWebviewsClient.php
@@ -191,8 +191,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/connect_webviews/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/connect_webviews/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/ConnectedAccountsClient.php b/src/Routes/ConnectedAccountsClient.php
index ce997b4f..673d1221 100644
--- a/src/Routes/ConnectedAccountsClient.php
+++ b/src/Routes/ConnectedAccountsClient.php
@@ -132,8 +132,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/connected_accounts/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/connected_accounts/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/CustomersClient.php b/src/Routes/CustomersClient.php
index 3f26137a..0e275dca 100644
--- a/src/Routes/CustomersClient.php
+++ b/src/Routes/CustomersClient.php
@@ -208,8 +208,8 @@ public function delete_data(
             $request_payload["user_keys"] = $user_keys;
         }
 
-        $this->client->request("POST", "/customers/delete_data", [
-            "json" => (object) $request_payload,
+        $this->client->request("DELETE", "/customers/delete_data", [
+            "query" => $request_payload,
         ]);
     }
 
diff --git a/src/Routes/DevicesClient.php b/src/Routes/DevicesClient.php
index 680a02c4..e9cf9fae 100644
--- a/src/Routes/DevicesClient.php
+++ b/src/Routes/DevicesClient.php
@@ -156,8 +156,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/devices/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/devices/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/DevicesUnmanagedClient.php b/src/Routes/DevicesUnmanagedClient.php
index ba52cfa0..a4974282 100644
--- a/src/Routes/DevicesUnmanagedClient.php
+++ b/src/Routes/DevicesUnmanagedClient.php
@@ -138,8 +138,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/devices/unmanaged/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/devices/unmanaged/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/EventsClient.php b/src/Routes/EventsClient.php
index 62951f44..e8fd51d5 100644
--- a/src/Routes/EventsClient.php
+++ b/src/Routes/EventsClient.php
@@ -248,8 +248,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/events/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/events/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/LocksClient.php b/src/Routes/LocksClient.php
index 6d13235d..96b6b9f0 100644
--- a/src/Routes/LocksClient.php
+++ b/src/Routes/LocksClient.php
@@ -140,8 +140,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/locks/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/locks/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/NoiseSensorsClient.php b/src/Routes/NoiseSensorsClient.php
index b1450aea..2bc01c76 100644
--- a/src/Routes/NoiseSensorsClient.php
+++ b/src/Routes/NoiseSensorsClient.php
@@ -71,8 +71,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/noise_sensors/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/noise_sensors/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/SpacesClient.php b/src/Routes/SpacesClient.php
index 0b152a08..9d3fca31 100644
--- a/src/Routes/SpacesClient.php
+++ b/src/Routes/SpacesClient.php
@@ -231,8 +231,8 @@ public function get_related(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/spaces/get_related", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/spaces/get_related", [
+                "query" => $request_payload,
             ]),
         );
 
@@ -305,8 +305,8 @@ public function remove_acs_entrances(
         $request_payload["acs_entrance_ids"] = $acs_entrance_ids;
         $request_payload["space_id"] = $space_id;
 
-        $this->client->request("POST", "/spaces/remove_acs_entrances", [
-            "json" => (object) $request_payload,
+        $this->client->request("DELETE", "/spaces/remove_acs_entrances", [
+            "query" => $request_payload,
         ]);
     }
 
@@ -345,8 +345,8 @@ public function remove_devices(array $device_ids, string $space_id): void
         $request_payload["device_ids"] = $device_ids;
         $request_payload["space_id"] = $space_id;
 
-        $this->client->request("POST", "/spaces/remove_devices", [
-            "json" => (object) $request_payload,
+        $this->client->request("DELETE", "/spaces/remove_devices", [
+            "query" => $request_payload,
         ]);
     }
 
diff --git a/src/Routes/ThermostatsClient.php b/src/Routes/ThermostatsClient.php
index 1c299708..3af98e17 100644
--- a/src/Routes/ThermostatsClient.php
+++ b/src/Routes/ThermostatsClient.php
@@ -355,8 +355,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/thermostats/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/thermostats/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/src/Routes/UserIdentitiesClient.php b/src/Routes/UserIdentitiesClient.php
index 7138c3f1..863a49b2 100644
--- a/src/Routes/UserIdentitiesClient.php
+++ b/src/Routes/UserIdentitiesClient.php
@@ -265,8 +265,8 @@ public function list(
         }
 
         $res = Body::decode(
-            $this->client->request("POST", "/user_identities/list", [
-                "json" => (object) $request_payload,
+            $this->client->request("GET", "/user_identities/list", [
+                "query" => $request_payload,
             ]),
         );
 
diff --git a/tests/RetryTest.php b/tests/RetryTest.php
index 41f3cec0..967658ba 100644
--- a/tests/RetryTest.php
+++ b/tests/RetryTest.php
@@ -51,7 +51,7 @@ public function testDoesNotRetryPostOnServiceUnavailable(): void
         $recorder = RecordingClient::repeating(self::service_unavailable());
 
         try {
-            $this->seam($recorder)->devices->list();
+            $this->seam($recorder)->client->request("POST", "/devices/list");
             $this->fail("Expected the 503 to surface");
         } catch (\Throwable) {
             // The error mapping is covered in HttpErrorTest.
@@ -74,7 +74,7 @@ public function testDoesNotRetryPostOnConnectionFailure(): void
         $recorder = RecordingClient::repeating_throwable($connect_error);
 
         try {
-            $this->seam($recorder)->devices->list();
+            $this->seam($recorder)->client->request("POST", "/devices/list");
             $this->fail("Expected the connection failure to surface");
         } catch (ConnectException) {
             // Expected.
@@ -100,7 +100,7 @@ public function testDoesNotRetryPostOnTimeout(): void
         $recorder = RecordingClient::repeating_throwable($timeout);
 
         try {
-            $this->seam($recorder)->devices->list();
+            $this->seam($recorder)->client->request("POST", "/devices/list");
             $this->fail("Expected the timeout to surface");
         } catch (ConnectException) {
             // Expected.
@@ -123,7 +123,7 @@ public function testDoesNotRetryPostOnTimeoutWithoutAnErrno(): void
         $recorder = RecordingClient::repeating_throwable($timeout);
 
         try {
-            $this->seam($recorder)->devices->list();
+            $this->seam($recorder)->client->request("POST", "/devices/list");
             $this->fail("Expected the timeout to surface");
         } catch (ConnectException) {
             // Expected.
@@ -135,8 +135,6 @@ public function testDoesNotRetryPostOnTimeoutWithoutAnErrno(): void
     /**
      * Repeating an idempotent request is safe even when the server may have
      * received it, so a timeout does get retried there.
-     *
-     * TODO: Use the SDK route once generated reads use GET instead of POST.
      */
     public function testRetriesIdempotentRequestsOnTimeout(): void
     {
@@ -149,11 +147,9 @@ public function testRetriesIdempotentRequestsOnTimeout(): void
 
         $recorder = new RecordingClient([$timeout, $timeout, self::devices()]);
 
-        $res = Body::decode(
-            $this->seam($recorder)->client->request("GET", "/devices/list"),
-        );
+        $devices = $this->seam($recorder)->devices->list();
 
-        $this->assertSame([], $res->devices);
+        $this->assertSame([], $devices);
         $this->assertSame(3, $recorder->attempt_count());
     }
 
@@ -174,7 +170,7 @@ public function testDoesNotRetryPostOnConnectionReset(): void
         $recorder = RecordingClient::repeating_throwable($reset);
 
         try {
-            $this->seam($recorder)->devices->list();
+            $this->seam($recorder)->client->request("POST", "/devices/list");
             $this->fail("Expected the connection reset to surface");
         } catch (RequestException) {
             // Expected.
@@ -183,14 +179,11 @@ public function testDoesNotRetryPostOnConnectionReset(): void
         $this->assertSame(1, $recorder->attempt_count());
     }
 
-    /**
-     * TODO: Use the SDK route once generated reads use GET instead of POST.
-     */
     public function testStopsRetryingOnceRetriesAreExhausted(): void
     {
         $connect_error = new ConnectException(
             "Could not resolve host",
-            new Request("POST", "/devices/list"),
+            new Request("GET", "/devices/list"),
         );
 
         $recorder = RecordingClient::repeating_throwable($connect_error);
@@ -198,32 +191,23 @@ public function testStopsRetryingOnceRetriesAreExhausted(): void
         $this->expectException(ConnectException::class);
 
         try {
-            $this->seam($recorder, retries: 1)->client->request(
-                "GET",
-                "/devices/list",
-            );
+            $this->seam($recorder, retries: 1)->devices->list();
         } finally {
             $this->assertSame(2, $recorder->attempt_count());
         }
     }
 
-    /**
-     * TODO: Use the SDK route once generated reads use GET instead of POST.
-     */
     public function testDoesNotRetryWhenRetriesAreDisabled(): void
     {
         $connect_error = new ConnectException(
             "Could not resolve host",
-            new Request("POST", "/devices/list"),
+            new Request("GET", "/devices/list"),
         );
 
         $recorder = RecordingClient::repeating_throwable($connect_error);
 
         try {
-            $this->seam($recorder, retries: 0)->client->request(
-                "GET",
-                "/devices/list",
-            );
+            $this->seam($recorder, retries: 0)->devices->list();
             $this->fail("Expected the connection failure to surface");
         } catch (ConnectException) {
             // Expected.
@@ -234,12 +218,6 @@ public function testDoesNotRetryWhenRetriesAreDisabled(): void
 
     /**
      * Repeating a read is safe, so a 503 on one should be retried.
-     *
-     * TODO: Every SDK call currently goes over POST, where a status based
-     * retry is never safe, so the SDK's own reads get none and this test
-     * marks itself incomplete. Once the SDK issues GET for the endpoints
-     * that support it, planned for a followup PR, the incomplete branch
-     * stops matching and the real assertions take over.
      */
     public function testSdkReadsAreRetriedOnServiceUnavailable(): void
     {
@@ -249,14 +227,7 @@ public function testSdkReadsAreRetriedOnServiceUnavailable(): void
             self::devices(),
         ]);
 
-        try {
-            $devices = $this->seam($recorder)->devices->list();
-        } catch (\Throwable) {
-            $this->assertSame(1, $recorder->attempt_count());
-            $this->markTestIncomplete(
-                "The SDK does not use GET yet, so its reads get no status based retries.",
-            );
-        }
+        $devices = $this->seam($recorder)->devices->list();
 
         $this->assertSame([], $devices);
         $this->assertSame(3, $recorder->attempt_count());
@@ -266,8 +237,6 @@ public function testSdkReadsAreRetriedOnServiceUnavailable(): void
      * Building a client must not mutate a handler stack the caller may
      * reuse: a second client built from the same options would otherwise
      * stack the retry middleware twice and multiply the retries.
-     *
-     * TODO: Use the SDK route once generated reads use GET instead of POST.
      */
     public function testBuildingASecondClientDoesNotStackRetries(): void
     {
@@ -298,10 +267,8 @@ public function testBuildingASecondClientDoesNotStackRetries(): void
     }
 
     /**
-     * The SDK itself only issues POSTs, but a caller reaching for the client
-     * directly with an idempotent method does get status based retries.
-     *
-     * TODO: Use the SDK route once generated reads use GET instead of POST.
+     * A caller reaching for the client directly with an idempotent method
+     * gets status based retries.
      */
     public function testRetriesIdempotentRequestsOnServiceUnavailable(): void
     {