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<h1 id="full-example">Full example<a class="headerlink" href="#full-example" title="Permanent link">&para;</a></h1>
<p>Here is a full working example with JWT authentication to help get you started.</p>
<div class="tabbed-set" data-tabs="1:3">
<input name="__tabbed_1" type="radio" id="__tabbed_1_1" checked="checked" /><label for="__tabbed_1_1">SQLAlchemy</label><div class="tabbed-content"><div class="highlight"><pre><span></span><code><span class="kn">import</span> <span class="nn">databases</span>
<span class="kn">import</span> <span class="nn">sqlalchemy</span>
<span class="kn">from</span> <span class="nn">fastapi</span> <span class="kn">import</span> <span class="n">FastAPI</span>
<span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">FastAPIUsers</span><span class="p">,</span> <span class="n">models</span>
<span class="kn">from</span> <span class="nn">fastapi_users.authentication</span> <span class="kn">import</span> <span class="n">JWTAuthentication</span>
<span class="kn">from</span> <span class="nn">fastapi_users.db</span> <span class="kn">import</span> <span class="n">SQLAlchemyBaseUserTable</span><span class="p">,</span> <span class="n">SQLAlchemyUserDatabase</span>
<span class="kn">from</span> <span class="nn">sqlalchemy.ext.declarative</span> <span class="kn">import</span> <span class="n">DeclarativeMeta</span><span class="p">,</span> <span class="n">declarative_base</span>
<span class="kn">from</span> <span class="nn">starlette.requests</span> <span class="kn">import</span> <span class="n">Request</span>
<span class="n">DATABASE_URL</span> <span class="o">=</span> <span class="s2">&quot;sqlite:///./test.db&quot;</span>
<span class="n">SECRET</span> <span class="o">=</span> <span class="s2">&quot;SECRET&quot;</span>
<span class="k">class</span> <span class="nc">User</span><span class="p">(</span><span class="n">models</span><span class="o">.</span><span class="n">BaseUser</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserCreate</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserCreate</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserUpdate</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserUpdate</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserDB</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserDB</span><span class="p">):</span>
<span class="k">pass</span>
<span class="n">database</span> <span class="o">=</span> <span class="n">databases</span><span class="o">.</span><span class="n">Database</span><span class="p">(</span><span class="n">DATABASE_URL</span><span class="p">)</span>
<span class="n">Base</span><span class="p">:</span> <span class="n">DeclarativeMeta</span> <span class="o">=</span> <span class="n">declarative_base</span><span class="p">()</span>
<span class="k">class</span> <span class="nc">UserTable</span><span class="p">(</span><span class="n">Base</span><span class="p">,</span> <span class="n">SQLAlchemyBaseUserTable</span><span class="p">):</span>
<span class="k">pass</span>
<span class="n">engine</span> <span class="o">=</span> <span class="n">sqlalchemy</span><span class="o">.</span><span class="n">create_engine</span><span class="p">(</span>
<span class="n">DATABASE_URL</span><span class="p">,</span> <span class="n">connect_args</span><span class="o">=</span><span class="p">{</span><span class="s2">&quot;check_same_thread&quot;</span><span class="p">:</span> <span class="kc">False</span><span class="p">}</span>
<span class="p">)</span>
<span class="n">Base</span><span class="o">.</span><span class="n">metadata</span><span class="o">.</span><span class="n">create_all</span><span class="p">(</span><span class="n">engine</span><span class="p">)</span>
<span class="n">users</span> <span class="o">=</span> <span class="n">UserTable</span><span class="o">.</span><span class="n">__table__</span>
<span class="n">user_db</span> <span class="o">=</span> <span class="n">SQLAlchemyUserDatabase</span><span class="p">(</span><span class="n">UserDB</span><span class="p">,</span> <span class="n">database</span><span class="p">,</span> <span class="n">users</span><span class="p">)</span>
<span class="n">auth_backends</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">JWTAuthentication</span><span class="p">(</span><span class="n">secret</span><span class="o">=</span><span class="n">SECRET</span><span class="p">,</span> <span class="n">lifetime_seconds</span><span class="o">=</span><span class="mi">3600</span><span class="p">),</span>
<span class="p">]</span>
<span class="n">app</span> <span class="o">=</span> <span class="n">FastAPI</span><span class="p">()</span>
<span class="n">fastapi_users</span> <span class="o">=</span> <span class="n">FastAPIUsers</span><span class="p">(</span>
<span class="n">user_db</span><span class="p">,</span> <span class="n">auth_backends</span><span class="p">,</span> <span class="n">User</span><span class="p">,</span> <span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserUpdate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">SECRET</span><span class="p">,</span>
<span class="p">)</span>
<span class="n">app</span><span class="o">.</span><span class="n">include_router</span><span class="p">(</span><span class="n">fastapi_users</span><span class="o">.</span><span class="n">router</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;/users&quot;</span><span class="p">,</span> <span class="n">tags</span><span class="o">=</span><span class="p">[</span><span class="s2">&quot;users&quot;</span><span class="p">])</span>
<span class="nd">@fastapi_users</span><span class="o">.</span><span class="n">on_after_register</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">on_after_register</span><span class="p">(</span><span class="n">user</span><span class="p">:</span> <span class="n">User</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Request</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has registered.&quot;</span><span class="p">)</span>
<span class="nd">@fastapi_users</span><span class="o">.</span><span class="n">on_after_forgot_password</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">on_after_forgot_password</span><span class="p">(</span><span class="n">user</span><span class="p">:</span> <span class="n">User</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Request</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has forgot their password. Reset token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
<span class="nd">@app</span><span class="o">.</span><span class="n">on_event</span><span class="p">(</span><span class="s2">&quot;startup&quot;</span><span class="p">)</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">startup</span><span class="p">():</span>
<span class="k">await</span> <span class="n">database</span><span class="o">.</span><span class="n">connect</span><span class="p">()</span>
<span class="nd">@app</span><span class="o">.</span><span class="n">on_event</span><span class="p">(</span><span class="s2">&quot;shutdown&quot;</span><span class="p">)</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">shutdown</span><span class="p">():</span>
<span class="k">await</span> <span class="n">database</span><span class="o">.</span><span class="n">disconnect</span><span class="p">()</span>
</code></pre></div></div>
<input name="__tabbed_1" type="radio" id="__tabbed_1_2" /><label for="__tabbed_1_2">MongoDB</label><div class="tabbed-content"><div class="highlight"><pre><span></span><code><span class="kn">import</span> <span class="nn">motor.motor_asyncio</span>
<span class="kn">from</span> <span class="nn">fastapi</span> <span class="kn">import</span> <span class="n">FastAPI</span>
<span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">FastAPIUsers</span><span class="p">,</span> <span class="n">models</span>
<span class="kn">from</span> <span class="nn">fastapi_users.authentication</span> <span class="kn">import</span> <span class="n">JWTAuthentication</span>
<span class="kn">from</span> <span class="nn">fastapi_users.db</span> <span class="kn">import</span> <span class="n">MongoDBUserDatabase</span>
<span class="kn">from</span> <span class="nn">starlette.requests</span> <span class="kn">import</span> <span class="n">Request</span>
<span class="n">DATABASE_URL</span> <span class="o">=</span> <span class="s2">&quot;mongodb://localhost:27017&quot;</span>
<span class="n">SECRET</span> <span class="o">=</span> <span class="s2">&quot;SECRET&quot;</span>
<span class="k">class</span> <span class="nc">User</span><span class="p">(</span><span class="n">models</span><span class="o">.</span><span class="n">BaseUser</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserCreate</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserCreate</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserUpdate</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserUpdate</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserDB</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserDB</span><span class="p">):</span>
<span class="k">pass</span>
<span class="n">client</span> <span class="o">=</span> <span class="n">motor</span><span class="o">.</span><span class="n">motor_asyncio</span><span class="o">.</span><span class="n">AsyncIOMotorClient</span><span class="p">(</span><span class="n">DATABASE_URL</span><span class="p">)</span>
<span class="n">db</span> <span class="o">=</span> <span class="n">client</span><span class="p">[</span><span class="s2">&quot;database_name&quot;</span><span class="p">]</span>
<span class="n">collection</span> <span class="o">=</span> <span class="n">db</span><span class="p">[</span><span class="s2">&quot;users&quot;</span><span class="p">]</span>
<span class="n">user_db</span> <span class="o">=</span> <span class="n">MongoDBUserDatabase</span><span class="p">(</span><span class="n">UserDB</span><span class="p">,</span> <span class="n">collection</span><span class="p">)</span>
<span class="n">auth_backends</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">JWTAuthentication</span><span class="p">(</span><span class="n">secret</span><span class="o">=</span><span class="n">SECRET</span><span class="p">,</span> <span class="n">lifetime_seconds</span><span class="o">=</span><span class="mi">3600</span><span class="p">),</span>
<span class="p">]</span>
<span class="n">app</span> <span class="o">=</span> <span class="n">FastAPI</span><span class="p">()</span>
<span class="n">fastapi_users</span> <span class="o">=</span> <span class="n">FastAPIUsers</span><span class="p">(</span>
<span class="n">user_db</span><span class="p">,</span> <span class="n">auth_backends</span><span class="p">,</span> <span class="n">User</span><span class="p">,</span> <span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserUpdate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">SECRET</span><span class="p">,</span>
<span class="p">)</span>
<span class="n">app</span><span class="o">.</span><span class="n">include_router</span><span class="p">(</span><span class="n">fastapi_users</span><span class="o">.</span><span class="n">router</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;/users&quot;</span><span class="p">,</span> <span class="n">tags</span><span class="o">=</span><span class="p">[</span><span class="s2">&quot;users&quot;</span><span class="p">])</span>
<span class="nd">@fastapi_users</span><span class="o">.</span><span class="n">on_after_register</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">on_after_register</span><span class="p">(</span><span class="n">user</span><span class="p">:</span> <span class="n">User</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Request</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has registered.&quot;</span><span class="p">)</span>
<span class="nd">@fastapi_users</span><span class="o">.</span><span class="n">on_after_forgot_password</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">on_after_forgot_password</span><span class="p">(</span><span class="n">user</span><span class="p">:</span> <span class="n">User</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Request</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has forgot their password. Reset token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
</code></pre></div></div>
<input name="__tabbed_1" type="radio" id="__tabbed_1_3" /><label for="__tabbed_1_3">Tortoise ORM</label><div class="tabbed-content"><div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi</span> <span class="kn">import</span> <span class="n">FastAPI</span>
<span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">FastAPIUsers</span><span class="p">,</span> <span class="n">models</span>
<span class="kn">from</span> <span class="nn">fastapi_users.authentication</span> <span class="kn">import</span> <span class="n">JWTAuthentication</span>
<span class="kn">from</span> <span class="nn">fastapi_users.db</span> <span class="kn">import</span> <span class="n">TortoiseBaseUserModel</span><span class="p">,</span> <span class="n">TortoiseUserDatabase</span>
<span class="kn">from</span> <span class="nn">starlette.requests</span> <span class="kn">import</span> <span class="n">Request</span>
<span class="kn">from</span> <span class="nn">tortoise.contrib.starlette</span> <span class="kn">import</span> <span class="n">register_tortoise</span>
<span class="n">DATABASE_URL</span> <span class="o">=</span> <span class="s2">&quot;sqlite://./test.db&quot;</span>
<span class="n">SECRET</span> <span class="o">=</span> <span class="s2">&quot;SECRET&quot;</span>
<span class="k">class</span> <span class="nc">User</span><span class="p">(</span><span class="n">models</span><span class="o">.</span><span class="n">BaseUser</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserCreate</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserCreate</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserUpdate</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserUpdate</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserDB</span><span class="p">(</span><span class="n">User</span><span class="p">,</span> <span class="n">models</span><span class="o">.</span><span class="n">BaseUserDB</span><span class="p">):</span>
<span class="k">pass</span>
<span class="k">class</span> <span class="nc">UserModel</span><span class="p">(</span><span class="n">TortoiseBaseUserModel</span><span class="p">):</span>
<span class="k">pass</span>
<span class="n">user_db</span> <span class="o">=</span> <span class="n">TortoiseUserDatabase</span><span class="p">(</span><span class="n">UserDB</span><span class="p">,</span> <span class="n">UserModel</span><span class="p">)</span>
<span class="n">app</span> <span class="o">=</span> <span class="n">FastAPI</span><span class="p">()</span>
<span class="n">register_tortoise</span><span class="p">(</span><span class="n">app</span><span class="p">,</span> <span class="n">db_url</span><span class="o">=</span><span class="n">DATABASE_URL</span><span class="p">,</span> <span class="n">modules</span><span class="o">=</span><span class="p">{</span><span class="s2">&quot;models&quot;</span><span class="p">:</span> <span class="p">[</span><span class="s2">&quot;test&quot;</span><span class="p">]})</span>
<span class="n">auth_backends</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">JWTAuthentication</span><span class="p">(</span><span class="n">secret</span><span class="o">=</span><span class="n">SECRET</span><span class="p">,</span> <span class="n">lifetime_seconds</span><span class="o">=</span><span class="mi">3600</span><span class="p">),</span>
<span class="p">]</span>
<span class="n">fastapi_users</span> <span class="o">=</span> <span class="n">FastAPIUsers</span><span class="p">(</span>
<span class="n">user_db</span><span class="p">,</span> <span class="n">auth_backends</span><span class="p">,</span> <span class="n">User</span><span class="p">,</span> <span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserUpdate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">SECRET</span><span class="p">,</span>
<span class="p">)</span>
<span class="n">app</span><span class="o">.</span><span class="n">include_router</span><span class="p">(</span><span class="n">fastapi_users</span><span class="o">.</span><span class="n">router</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s2">&quot;/users&quot;</span><span class="p">,</span> <span class="n">tags</span><span class="o">=</span><span class="p">[</span><span class="s2">&quot;users&quot;</span><span class="p">])</span>
<span class="nd">@fastapi_users</span><span class="o">.</span><span class="n">on_after_register</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">on_after_register</span><span class="p">(</span><span class="n">user</span><span class="p">:</span> <span class="n">User</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Request</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has registered.&quot;</span><span class="p">)</span>
<span class="nd">@fastapi_users</span><span class="o">.</span><span class="n">on_after_forgot_password</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">on_after_forgot_password</span><span class="p">(</span><span class="n">user</span><span class="p">:</span> <span class="n">User</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Request</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has forgot their password. Reset token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
</code></pre></div></div>
</div>
<h2 id="what-now">What now?<a class="headerlink" href="#what-now" title="Permanent link">&para;</a></h2>
<p>You're ready to go! Be sure to check the <a href="../../usage/routes/">Usage</a> section to understand how yo work with <strong>FastAPI Users</strong>.</p>
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