diff --git a/src/Concerns/Implementation.php b/src/Concerns/Implementation.php
index a5590a8..0a557bd 100644
--- a/src/Concerns/Implementation.php
+++ b/src/Concerns/Implementation.php
@@ -5,7 +5,7 @@
 namespace TiMacDonald\JsonApi\Concerns;
 
 use Illuminate\Http\Request;
-use TiMacDonald\JsonApi\JsonApiServerImplementation;
+use TiMacDonald\JsonApi\ServerImplementation;
 
 trait Implementation
 {
@@ -44,6 +44,6 @@ public static function resolveServerImplementationNormally()
      */
     public static function serverImplementationResolver()
     {
-        return self::$serverImplementationResolver ?? fn (Request $request): JsonApiServerImplementation => new JsonApiServerImplementation('1.0');
+        return self::$serverImplementationResolver ?? fn (Request $request): ServerImplementation => new ServerImplementation('1.0');
     }
 }
diff --git a/src/Link.php b/src/Link.php
index 1ab8c62..47a3009 100644
--- a/src/Link.php
+++ b/src/Link.php
@@ -16,36 +16,25 @@ final class Link implements JsonSerializable
      */
     public string $key;
 
-    /**
-     * @internal
-     */
     private string $href;
 
     /**
-     * @api
-     *
      * @param array<string, mixed> $meta
-     * @return self
      */
-    public static function self(string $href, array $meta = [])
+    public static function self(string $href, array $meta = []): self
     {
         return new self('self', $href, $meta);
     }
 
     /**
-     * @api
-     *
      * @param array<string, mixed> $meta
-     * @return self
      */
-    public static function related(string $href, array $meta = [])
+    public static function related(string $href, array $meta = []): self
     {
         return new self('related', $href, $meta);
     }
 
     /**
-     * @api
-     *
      * @param array<string, mixed> $meta
      */
     public function __construct(string $key, string $href, array $meta = [])
@@ -58,8 +47,6 @@ public function __construct(string $key, string $href, array $meta = [])
     }
 
     /**
-     * @internal
-     *
      * @return array{href: string, meta?: stdClass}
      */
     public function jsonSerialize(): array
diff --git a/src/RelationshipObject.php b/src/RelationshipObject.php
index 774b142..d2ebcbd 100644
--- a/src/RelationshipObject.php
+++ b/src/RelationshipObject.php
@@ -13,40 +13,30 @@ final class RelationshipObject implements JsonSerializable
     use Concerns\Meta;
 
     /**
-     * @internal
-     *
      * @var ResourceIdentifier|null|array<int, ResourceIdentifier>
      */
     private ResourceIdentifier|array|null $data;
 
     /**
-     * @api
-     *
      * @param array<int, Link> $links
      * @param array<string, mixed> $meta
-     * @return self
      */
-    public static function toOne(ResourceIdentifier|null $data, array $links = [], array $meta = [])
+    public static function toOne(ResourceIdentifier|null $data, array $links = [], array $meta = []): self
     {
         return new self($data, $links, $meta);
     }
 
     /**
-     * @api
-     *
      * @param array<int, ResourceIdentifier> $data
      * @param array<int, Link> $links
      * @param array<string, mixed> $meta
-     * @return self
      */
-    public static function toMany(array $data, array $links = [], array $meta = [])
+    public static function toMany(array $data, array $links = [], array $meta = []): self
     {
         return new self($data, $links, $meta);
     }
 
     /**
-     * @internal
-     *
      * @param ResourceIdentifier|null|array<int, ResourceIdentifier> $data
      * @param array<int, Link> $links
      * @param array<string, mixed> $meta
@@ -62,8 +52,6 @@ private function __construct(ResourceIdentifier|array|null $data, array $links =
 
 
     /**
-     * @internal
-     *
      * @return array{data: ResourceIdentifier|null|array<int, ResourceIdentifier>, meta?: stdClass, links?: stdClass}
      */
     public function jsonSerialize(): array
diff --git a/src/ResourceIdentifier.php b/src/ResourceIdentifier.php
index 38c2f66..4e923ff 100644
--- a/src/ResourceIdentifier.php
+++ b/src/ResourceIdentifier.php
@@ -11,19 +11,11 @@ final class ResourceIdentifier implements JsonSerializable
 {
     use Concerns\Meta;
 
-    /**
-     * @internal
-     */
     private string $type;
 
-    /**
-     * @internal
-     */
     private string $id;
 
     /**
-     * @api
-     *
      * @param array<string, mixed> $meta
      */
     public function __construct(string $type, string $id, array $meta = [])
@@ -36,8 +28,6 @@ public function __construct(string $type, string $id, array $meta = [])
     }
 
     /**
-     * @internal
-     *
      * @return array{type: string, id: string, meta?: stdClass}
      */
     public function jsonSerialize(): array
diff --git a/src/JsonApiServerImplementation.php b/src/ServerImplementation.php
similarity index 87%
rename from src/JsonApiServerImplementation.php
rename to src/ServerImplementation.php
index d4a5130..cae9701 100644
--- a/src/JsonApiServerImplementation.php
+++ b/src/ServerImplementation.php
@@ -7,7 +7,7 @@
 use JsonSerializable;
 use stdClass;
 
-final class JsonApiServerImplementation implements JsonSerializable
+final class ServerImplementation implements JsonSerializable
 {
     use Concerns\Meta;
 
@@ -24,8 +24,6 @@ public function __construct(string $version, array $meta = [])
     }
 
     /**
-     * @internal
-     *
      * @return array{version: string, meta?: stdClass}
      */
     public function jsonSerialize(): array
diff --git a/tests/Feature/JsonApiTest.php b/tests/Feature/JsonApiTest.php
index 7536b48..48a9a3c 100644
--- a/tests/Feature/JsonApiTest.php
+++ b/tests/Feature/JsonApiTest.php
@@ -11,7 +11,7 @@
 use Tests\TestCase;
 use TiMacDonald\JsonApi\JsonApiResource;
 use TiMacDonald\JsonApi\JsonApiResourceCollection;
-use TiMacDonald\JsonApi\JsonApiServerImplementation;
+use TiMacDonald\JsonApi\ServerImplementation;
 use TiMacDonald\JsonApi\Link;
 use TiMacDonald\JsonApi\RelationshipObject;
 use TiMacDonald\JsonApi\ResourceIdentifier;
@@ -253,7 +253,7 @@ public function testItExcludesEmptyLinksMeta(): void
 
     public function testItExcludesEmptyImplementationMeta(): void
     {
-        $implementation = new JsonApiServerImplementation('1.5', []);
+        $implementation = new ServerImplementation('1.5', []);
 
         $json = json_encode($implementation);
 
@@ -262,7 +262,7 @@ public function testItExcludesEmptyImplementationMeta(): void
 
     public function testItCanSpecifyAnImplementation(): void
     {
-        BasicJsonApiResource::resolveServerImplementationUsing(fn () => new JsonApiServerImplementation('1.4.3', [
+        BasicJsonApiResource::resolveServerImplementationUsing(fn () => new ServerImplementation('1.4.3', [
             'secure' => true,
         ]));
         $user = new BasicModel([
@@ -309,7 +309,7 @@ public function testItCanPopulateAllTheMetasAndAllTheLinks()
         // 2. Single resource ✅
         // 3. Empty collection of resources.
         // 4. Collection of resources.
-        JsonApiResource::resolveServerImplementationUsing(fn () => (new JsonApiServerImplementation('1.0'))->withMeta([
+        JsonApiResource::resolveServerImplementationUsing(fn () => (new ServerImplementation('1.0'))->withMeta([
             'implementation' => 'meta',
         ]));
         $user = (new BasicModel([
diff --git a/tests/Unit/ServerApiImplementationTest.php b/tests/Unit/ServerApiImplementationTest.php
index aea6717..089abb4 100644
--- a/tests/Unit/ServerApiImplementationTest.php
+++ b/tests/Unit/ServerApiImplementationTest.php
@@ -5,13 +5,13 @@
 namespace Tests\Unit;
 
 use PHPUnit\Framework\TestCase;
-use TiMacDonald\JsonApi\JsonApiServerImplementation;
+use TiMacDonald\JsonApi\ServerImplementation;
 
 class ServerApiImplementationTest extends TestCase
 {
     public function testItSerializes(): void
     {
-        $instance = (new JsonApiServerImplementation('5.0', [
+        $instance = (new ServerImplementation('5.0', [
             'expected' => 'meta',
         ]))->withMeta([
             'more' => 'meta',
@@ -24,7 +24,7 @@ public function testItSerializes(): void
 
     public function testEmptyMetaIsExcluded(): void
     {
-        $instance = new JsonApiServerImplementation('5.0', []);
+        $instance = new ServerImplementation('5.0', []);
 
         $json = json_encode($instance);
 
@@ -33,7 +33,7 @@ public function testEmptyMetaIsExcluded(): void
 
     public function testMissingMetaIsExcluded(): void
     {
-        $instance = new JsonApiServerImplementation('5.0');
+        $instance = new ServerImplementation('5.0');
 
         $json = json_encode($instance);