diff --git a/.gitattributes b/.gitattributes
index 972809c..fb00a20 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,11 +1,14 @@
 /.editorconfig                  export-ignore
+/.env.local.example             export-ignore
 /.gitattributes                 export-ignore
 /.github                        export-ignore
 /.gitignore                     export-ignore
+/CLAUDE.md                      export-ignore
 /README.md                      export-ignore
 /UPGRADE.md                     export-ignore
 /composer-dependency-analyser.php export-ignore
 /ecs.php                        export-ignore
+/examples                       export-ignore
 /infection.json.dist            export-ignore
 /phpstan.neon.dist              export-ignore
 /phpunit.xml.dist               export-ignore
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 226e032..7d82e01 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -28,7 +28,6 @@ jobs:
                 uses: "shivammathur/setup-php@v2"
                 with:
                     php-version: "${{ matrix.php-version }}"
-                    extensions: "${{ env.PHP_EXTENSIONS }}"
                     coverage: "none"
 
             -   name: "Install composer dependencies"
@@ -71,7 +70,6 @@ jobs:
                 uses: "shivammathur/setup-php@v2"
                 with:
                     coverage: "none"
-                    extensions: "${{ env.PHP_EXTENSIONS }}"
                     php-version: "${{ matrix.php-version }}"
                     tools: "composer-dependency-analyser"
 
@@ -109,7 +107,6 @@ jobs:
                 uses: "shivammathur/setup-php@v2"
                 with:
                     php-version: "${{ matrix.php-version }}"
-                    extensions: "${{ env.PHP_EXTENSIONS }}"
                     coverage: "none"
 
             -   name: "Install composer dependencies"
@@ -146,7 +143,6 @@ jobs:
                 uses: "shivammathur/setup-php@v2"
                 with:
                     php-version: "${{ matrix.php-version }}"
-                    extensions: "${{ env.PHP_EXTENSIONS }}"
                     coverage: "none"
 
             -   name: "Install composer dependencies"
@@ -178,7 +174,6 @@ jobs:
                 uses: "shivammathur/setup-php@v2"
                 with:
                     coverage: "pcov"
-                    extensions: "${{ env.PHP_EXTENSIONS }}"
                     php-version: "${{ matrix.php-version }}"
 
             -   name: "Set up problem matchers for phpunit/phpunit"
@@ -219,7 +214,6 @@ jobs:
                 uses: "shivammathur/setup-php@v2"
                 with:
                     coverage: "pcov"
-                    extensions: "${{ env.PHP_EXTENSIONS }}"
                     php-version: "${{ matrix.php-version }}"
 
             -   name: "Install composer dependencies"
diff --git a/src/Callback/Callback.php b/src/Callback/Callback.php
index e2adc36..7bb907d 100644
--- a/src/Callback/Callback.php
+++ b/src/Callback/Callback.php
@@ -23,7 +23,7 @@
  * The body is NOT assumed to be a payment: check {@see self::$type} / {@see self::isPayment()} and only
  * call {@see self::payment()} when it is a payment. Use {@see self::toArray()} for any resource type.
  *
- * Instances are produced by {@see CallbackHandler::handle()} / {@see CallbackHandler::handleRequest()}.
+ * Instances are produced by {@see CallbackHandler::handle()} / {@see CallbackHandler::handleRaw()}.
  */
 final class Callback
 {
diff --git a/tests/Client/LiveClientTest.php b/tests/Client/LiveClientTest.php
index 546b11b..7bb9395 100644
--- a/tests/Client/LiveClientTest.php
+++ b/tests/Client/LiveClientTest.php
@@ -43,7 +43,8 @@ public function it_creates_a_payment_and_a_link(): void
         $client = $this->liveClient();
 
         $payment = $client->payments()->create(new CreatePaymentRequest(
-            orderId: 'sdk-probe-' . bin2hex(random_bytes(6)),
+            // Quickpay limits order_id to 4-20 characters; 'probe-' + 12 hex chars = 18.
+            orderId: 'probe-' . bin2hex(random_bytes(6)),
             currency: 'DKK',
         ));
         self::assertGreaterThan(0, $payment->id);