diff --git a/lib/models/Repository.php b/lib/models/Repository.php
new file mode 100644
index 0000000..136465b
--- /dev/null
+++ b/lib/models/Repository.php
@@ -0,0 +1,306 @@
+<?php
+declare(strict_types=1);
+namespace Gitea\Models;
+
+use GuzzleHttp\Psr7\{Uri};
+use Psr\Http\Message\{UriInterface};
+
+/**
+ * Represents a repository.
+ * @property UriInterface|null $cloneUrl The HTTP-based URL for cloning this repository.
+ * @property \DateTime|null $createdAt The date the repository was created.
+ * @property UriInterface|null $htmlUrl The Gitea URL of this repository.
+ * @property UriInterface|null $sshUrl The SSH-based URL for cloning this repository.
+ * @property \DateTime|null $updatedAt The date the repository was updated.
+ * @property UriInterface|null $website The URL of the repository website.
+ */
+class Repository {
+
+  /**
+   * @var string The name of the default branch.
+   */
+  public $defaultBranch = '';
+
+  /**
+   * @var string The repository description.
+   */
+  public $description = '';
+
+  /**
+   * @var int The number of forks of this repository.
+   */
+  public $forksCount = 0;
+
+  /**
+   * @var string The full name.
+   */
+  public $fullName = '';
+
+  /**
+   * @var int The repository identifier.
+   */
+  public $id = -1;
+
+  /**
+   * @var bool Value indicating whether this repository is empty.
+   */
+  public $isEmpty = false;
+
+  /**
+   * @var bool Value indicating whether this repository is a fork.
+   */
+  public $isFork = false;
+
+  /**
+   * @var bool Value indicating whether this repository is a mirror.
+   */
+  public $isMirror = false;
+
+  /**
+   * @var bool Value indicating whether this repository is private.
+   */
+  public $isPrivate = false;
+
+  /**
+   * @var string The repository name.
+   */
+  public $name = '';
+
+  /**
+   * @var int The number of open issues of this repository.
+   */
+  public $openIssuesCount = 0;
+
+  /**
+   * @var User|null The repository owner.
+   */
+  public $owner;
+
+  /**
+   * @var Repository|null The parent repository, if this repository is a fork or a mirror.
+   */
+  public $parent;
+
+  /**
+   * @var Permission|null The repository permissions.
+   */
+  public $permissions;
+
+  /**
+   * @var int The repository size, in kilobytes.
+   */
+  public $size = 0;
+
+  /**
+   * @var int The number of stars of this repository.
+   */
+  public $starsCount = 0;
+
+  /**
+   * @var int The number of watchers of this repository.
+   */
+  public $watchersCount = 0;
+
+  /**
+   * @var UriInterface|null The HTTP-based URL for cloning this repository.
+   */
+  private $cloneUrl;
+
+  /**
+   * @var \DateTime|null The date the repository was created.
+   */
+  private $createdAt;
+
+  /**
+   * @var UriInterface|null The Gitea URL of this repository.
+   */
+  private $htmlUrl;
+
+  /**
+   * @var UriInterface|null The SSH-based URL for cloning this repository.
+   */
+  private $sshUrl;
+
+  /**
+   * @var \DateTime|null The date the repository was updated.
+   */
+  private $updatedAt;
+
+  /**
+   * @var UriInterface|null The URL of the repository website.
+   */
+  private $website;
+
+  /**
+   * Creates a new repository from the specified JSON map.
+   * @param object $map A JSON map representing a repository.
+   * @return static The instance corresponding to the specified JSON map.
+   */
+  static function fromJson(object $map): self {
+    return new static([
+      'cloneUrl' => isset($map->clone_url) && is_string($map->clone_url) ? new Uri($map->clone_url) : null,
+      'createdAt' => isset($map->created_at) && is_string($map->created_at) ? new \DateTime($map->created_at) : null,
+      'defaultBranch' => isset($map->default_branch) && is_string($map->default_branch) ? $map->default_branch : '',
+      'description' => isset($map->description) && is_string($map->description) ? $map->description : '',
+      'forksCount' => isset($map->forks_count) && is_int($map->forks_count) ? $map->forks_count : 0,
+      'fullName' => isset($map->full_name) && is_string($map->full_name) ? $map->full_name : '',
+      'htmlUrl' => isset($map->html_url) && is_string($map->html_url) ? new Uri($map->html_url) : null,
+      'id' => isset($map->id) && is_int($map->id) ? $map->id : -1,
+      'isEmpty' => isset($map->empty) && is_bool($map->empty) ? $map->empty : false,
+      'isFork' => isset($map->fork) && is_bool($map->fork) ? $map->fork : false,
+      'isMirror' => isset($map->mirror) && is_bool($map->mirror) ? $map->mirror : false,
+      'isPrivate' => isset($map->private) && is_bool($map->private) ? $map->private : false,
+      'name' => isset($map->name) && is_string($map->name) ? $map->name : '',
+      'openIssuesCount' => isset($map->open_issues_count) && is_int($map->open_issues_count) ? $map->open_issues_count : 0,
+      'owner' => isset($map->owner) && is_object($map->owner) ? User::fromJson($map->owner) : null,
+      'parent' => isset($map->parent) && is_object($map->parent) ? Repository::fromJson($map->parent) : null,
+      'permissions' => isset($map->permissions) && is_object($map->permissions) ? Permission::fromJson($map->permissions) : null,
+      'size' => isset($map->size) && is_int($map->size) ? $map->size : 0,
+      'sshUrl' => isset($map->ssh_url) && is_string($map->ssh_url) ? new Uri($map->ssh_url) : null,
+      'starsCount' => isset($map->stars_count) && is_int($map->stars_count) ? $map->stars_count : 0,
+      'updatedAt' => isset($map->updated_at) && is_string($map->updated_at) ? new \DateTime($map->updated_at) : null,
+      'watchersCount' => isset($map->watchers_count) && is_int($map->watchers_count) ? $map->watchers_count : 0,
+      'website' => isset($map->website) && is_string($map->website) ? new Uri($map->website) : null,
+    ]);
+  }
+
+  /**
+   * Returns the list of fields that should be returned by default.
+   * @return array The list of field names or field definitions.
+   */
+  function fields(): array {
+    return [
+      'clone_url' => function(self $model) { return ($url = $model->getCloneUrl()) ? (string) $url : null; },
+      'created_at' => function(Repository $model) { return ($date = $model->getCreatedAt()) ? $date->format('c') : null; },
+      'default_branch' => 'defaultBranch',
+      'description',
+      'empty' => 'isEmpty',
+      'fork' => 'isFork',
+      'forks_count' => 'forksCount',
+      'full_name' => 'fullName',
+      'html_url' => function(self $model) { return ($url = $model->getHtmlUrl()) ? (string) $url : null; },
+      'id',
+      'mirror' => 'isMirror',
+      'name',
+      'open_issues_count' => 'openIssuesCount',
+      'owner',
+      'parent',
+      'permissions',
+      'private' => 'isPrivate',
+      'size',
+      'ssh_url' => function(self $model) { return ($url = $model->getSshUrl()) ? (string) $url : null; },
+      'stars_count' => 'starsCount',
+      'updated_at' => function(Repository $model) { return ($date = $model->getUpdatedAt()) ? $date->format('c') : null; },
+      'watchers_count' => 'watchersCount',
+      'website' => function(self $model) { return ($url = $model->getWebsite()) ? (string) $url : null; },
+    ];
+  }
+
+  /**
+   * Gets the HTTP-based URL for cloning this repository.
+   * @return UriInterface|null The HTTP-based URL for cloning this repository.
+   */
+  function getCloneUrl(): ?UriInterface {
+    return $this->cloneUrl;
+  }
+
+  /**
+   * Gets the date the repository was created.
+   * @return \DateTime|null The date the repository was created.
+   */
+  function getCreatedAt(): ?\DateTime {
+    return $this->createdAt;
+  }
+
+  /**
+   * Gets the Gitea URL of this repository.
+   * @return UriInterface|null The Gitea URL of this repository.
+   */
+  function getHtmlUrl(): ?UriInterface {
+    return $this->htmlUrl;
+  }
+
+  /**
+   * Gets the SSH-based URL for cloning this repository.
+   * @return UriInterface|null The SSH-based URL for cloning this repository.
+   */
+  function getSshUrl(): ?UriInterface {
+    return $this->sshUrl;
+  }
+
+  /**
+   * Gets the date the repository was updated.
+   * @return \DateTime|null The date the repository was updated.
+   */
+  function getUpdatedAt(): ?\DateTime {
+    return $this->updatedAt;
+  }
+
+  /**
+   * Gets the URL of the repository website.
+   * @return UriInterface|null The URL of the repository website.
+   */
+  function getWebsite(): ?UriInterface {
+    return $this->website;
+  }
+
+  /**
+   * Sets the HTTP-based URL for cloning this repository.
+   * @param UriInterface|string|null $value The new URL for cloning this repository.
+   * @return $this This instance.
+   */
+  function setCloneUrl($value): self {
+    $this->cloneUrl = is_string($value) ? new Uri($value) : $value;
+    return $this;
+  }
+
+  /**
+   * Sets the date the repository was created.
+   * @param \DateTime|string|null $value The new date of creation.
+   * @return $this This instance.
+   */
+  function setCreatedAt($value): self {
+    $this->createdAt = is_string($value) ? new \DateTime($value) : $value;
+    return $this;
+  }
+
+  /**
+   * Sets the Gitea URL of this repository.
+   * @param UriInterface|string|null $value The new Gitea URL.
+   * @return $this This instance.
+   */
+  function setHtmlUrl($value): self {
+    $this->htmlUrl = is_string($value) ? new Uri($value) : $value;
+    return $this;
+  }
+
+  /**
+   * Sets the SSH-based URL for cloning this repository.
+   * @param UriInterface|string|null $value The new URL for cloning this repository.
+   * @return $this This instance.
+   */
+  function setSshlUrl($value): self {
+    $this->sshUrl = is_string($value) ? new Uri($value) : $value;
+    return $this;
+  }
+
+  /**
+   * Sets the date the repository was updated.
+   * @param \DateTime|string|null $value The new date of update.
+   * @return $this This instance.
+   */
+  function setUpdatedAt($value): self {
+    $this->updatedAt = is_string($value) ? new \DateTime($value) : $value;
+    return $this;
+  }
+
+  /**
+   * Sets the URL of the repository website.
+   * @param UriInterface|string|null $value The new repository website.
+   * @return $this This instance.
+   */
+  function setWebsite($value): self {
+    $this->website = is_string($value) ? new Uri($value) : $value;
+    return $this;
+  }
+}
diff --git a/lib/models/ServerVersion.php b/lib/models/ServerVersion.php
new file mode 100644
index 0000000..f387723
--- /dev/null
+++ b/lib/models/ServerVersion.php
@@ -0,0 +1,25 @@
+<?php
+declare(strict_types=1);
+namespace Gitea\Models;
+
+/**
+ * Warps the version of the Gitea server.
+ */
+class ServerVersion {
+
+  /**
+   * @var string The version number.
+   */
+  public $version = '';
+
+  /**
+   * Creates a new server version from the specified JSON map.
+   * @param object $map A JSON map representing a server version.
+   * @return static The instance corresponding to the specified JSON map.
+   */
+  static function fromJson(object $map): self {
+    return new static([
+      'version' => isset($map->version) && is_string($map->version) ? $map->version : ''
+    ]);
+  }
+}
diff --git a/lib/models/StatusState.php b/lib/models/StatusState.php
new file mode 100644
index 0000000..bc77d48
--- /dev/null
+++ b/lib/models/StatusState.php
@@ -0,0 +1,37 @@
+<?php
+declare(strict_types=1);
+namespace Gitea\Models;
+
+use Enum\{EnumTrait};
+
+/**
+ * Defines the state of a Gitea status.
+ */
+final class StatusState {
+  use EnumTrait;
+
+  /**
+   * @var string The status is an error.
+   */
+  const ERROR = 'error';
+
+  /**
+   * @var string The status is a failure.
+   */
+  const FAILURE = 'failure';
+
+  /**
+   * @var string The status is a pending.
+   */
+  const PENDING = 'pending';
+
+  /**
+   * @var string The status is a success.
+   */
+  const SUCCESS = 'success';
+
+  /**
+   * @var string The status is a warning.
+   */
+  const WARNING = 'warning';
+}
diff --git a/lib/models/Team.php b/lib/models/Team.php
new file mode 100644
index 0000000..5720a85
--- /dev/null
+++ b/lib/models/Team.php
@@ -0,0 +1,43 @@
+<?php
+declare(strict_types=1);
+namespace Gitea\Models;
+
+/**
+ * Represents a team in an organization.
+ */
+class Team {
+
+  /**
+   * @var string The team description.
+   */
+  public $description = '';
+
+  /**
+   * @var int The team identifier.
+   */
+  public $id = -1;
+
+  /**
+   * @var string The team name.
+   */
+  public $name = '';
+
+  /**
+   * @var string The team permission.
+   */
+  public $permission = TeamPermission::NONE;
+
+  /**
+   * Creates a new user from the specified JSON map.
+   * @param object $map A JSON map representing a user.
+   * @return static The instance corresponding to the specified JSON map.
+   */
+  static function fromJson(object $map): self {
+    return new static([
+      'description' => isset($map->description) && is_string($map->description) ? $map->description : '',
+      'id' => isset($map->id) && is_int($map->id) ? $map->id : -1,
+      'name' => isset($map->name) && is_string($map->name) ? $map->name : '',
+      'permission' => isset($map->permission) && TeamPermission::isDefined($map->permission) ? $map->permission : TeamPermission::NONE
+    ]);
+  }
+}
diff --git a/lib/models/User.php b/lib/models/User.php
new file mode 100644
index 0000000..4f385a3
--- /dev/null
+++ b/lib/models/User.php
@@ -0,0 +1,92 @@
+<?php
+declare(strict_types=1);
+namespace Gitea\Models;
+
+use GuzzleHttp\Psr7\{Uri};
+use Psr\Http\Message\{UriInterface};
+
+/**
+ * Represents a Gitea user.
+ * @property UriInterface|null $avatarUrl The URL of the avatar image.
+ */
+class User {
+
+  /**
+   * @var string The mail address.
+   */
+  public $email = '';
+
+  /**
+   * @var string The full name.
+   */
+  public $fullName = '';
+
+  /**
+   * @var int The user identifier.
+   */
+  public $id = -1;
+
+  /**
+   * @var string The user locale.
+   */
+  public $language = '';
+
+  /**
+   * @var string The name of the Gitea account.
+   */
+  public $login = '';
+
+  /**
+   * @var UriInterface|null The URL to the user's avatar.
+   */
+  private $avatarUrl;
+
+  /**
+   * Creates a new user from the specified JSON map.
+   * @param object $map A JSON map representing a user.
+   * @return static The instance corresponding to the specified JSON map.
+   */
+  static function fromJson(object $map): self {
+    return new static([
+      'avatarUrl' => isset($map->avatar_url) && is_string($map->avatar_url) ? $map->avatar_url : null,
+      'email' => isset($map->email) && is_string($map->email) ? mb_strtolower($map->email) : '',
+      'fullName' => isset($map->full_name) && is_string($map->full_name) ? $map->full_name : '',
+      'id' => isset($map->id) && is_int($map->id) ? $map->id : -1,
+      'language' => isset($map->language) && is_string($map->language) ? $map->language : '',
+      'login' => isset($map->login) && is_string($map->login) ? $map->login : ''
+    ]);
+  }
+
+  /**
+   * Returns the list of fields that should be returned by default.
+   * @return array The list of field names or field definitions.
+   */
+  function fields(): array {
+    return [
+      'avatar_url' => function(self $model) { return ($url = $model->getAvatarUrl()) ? (string) $url : null; },
+      'email',
+      'full_name' => 'fullName',
+      'id',
+      'language',
+      'login'
+    ];
+  }
+
+  /**
+   * Gets the URL of the avatar image.
+   * @return UriInterface|null The URL of the avatar image.
+   */
+  function getAvatarUrl(): ?UriInterface {
+    return $this->avatarUrl;
+  }
+
+  /**
+   * Sets the URL of the avatar image.
+   * @param UriInterface|string|null $value The new avatar URL.
+   * @return $this This instance.
+   */
+  function setAvatarUrl($value): self {
+    $this->avatarUrl = is_string($value) ? new Uri($value) : $value;
+    return $this;
+  }
+}