diff --git a/config/config.exs b/config/config.exs
index 6b29e96..a8787bb 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -65,6 +65,10 @@ config :link_shortener, LinkShortenerWeb.Auth.Guardian,
   issuer: "link_shortener",
   secret_key: System.get_env("SECRET_KEY_BASE")
 
+config :guardian, Guardian.DB,
+  repo: LinkShortener.Repo,
+  schema_name: "guardian_tokens"
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{config_env()}.exs"
diff --git a/lib/link_shortener_web/auth/guardian.ex b/lib/link_shortener_web/auth/guardian.ex
index 72446b9..cca2baf 100644
--- a/lib/link_shortener_web/auth/guardian.ex
+++ b/lib/link_shortener_web/auth/guardian.ex
@@ -28,4 +28,28 @@ defmodule LinkShortenerWeb.Auth.Guardian do
     {:ok, token, _claims} = encode_and_sign(user)
     {:ok, user, token}
   end
+
+  def after_encode_and_sign(resource, claims, token, _options) do
+    with {:ok, _} <- Guardian.DB.after_encode_and_sign(resource, claims["typ"], claims, token) do
+      {:ok, token}
+    end
+  end
+
+  def on_verify(claims, token, _options) do
+    with {:ok, _} <- Guardian.DB.on_verify(claims, token) do
+      {:ok, claims}
+    end
+  end
+
+  def on_refresh({old_token, old_claims}, {new_token, new_claims}, _options) do
+    with {:ok, _, _} <- Guardian.DB.on_refresh({old_token, old_claims}, {new_token, new_claims}) do
+      {:ok, {old_token, old_claims}, {new_token, new_claims}}
+    end
+  end
+
+  def on_revoke(claims, token, _options) do
+    with {:ok, _} <- Guardian.DB.on_revoke(claims, token) do
+      {:ok, claims}
+    end
+  end
 end
diff --git a/lib/link_shortener_web/telemetry.ex b/lib/link_shortener_web/telemetry.ex
index bb3ac2d..1722f7d 100644
--- a/lib/link_shortener_web/telemetry.ex
+++ b/lib/link_shortener_web/telemetry.ex
@@ -11,9 +11,12 @@ defmodule LinkShortenerWeb.Telemetry do
     children = [
       # Telemetry poller will execute the given period measurements
       # every 10_000ms. Learn more here: https://hexdocs.pm/telemetry_metrics
-      {:telemetry_poller, measurements: periodic_measurements(), period: 10_000}
+      {:telemetry_poller, measurements: periodic_measurements(), period: 10_000},
       # Add reporters as children of your supervision tree.
       # {Telemetry.Metrics.ConsoleReporter, metrics: metrics()}
+
+      # to sweep the REST API tokens:
+      {Guardian.DB.Sweeper, [interval: 60 * 60 * 1000]} # 1 hour
     ]
 
     Supervisor.init(children, strategy: :one_for_one)
diff --git a/mix.exs b/mix.exs
index b6e14d0..a07af9f 100644
--- a/mix.exs
+++ b/mix.exs
@@ -60,7 +60,8 @@ defmodule LinkShortener.MixProject do
       {:jason, "~> 1.2"},
       {:dns_cluster, "~> 0.1.1"},
       {:bandit, "~> 1.5"},
-      {:guardian, "~> 2.3"}
+      {:guardian, "~> 2.3"},
+      {:guardian_db, "~> 3.0"},
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index 4d46f9c..0f339e0 100644
--- a/mix.lock
+++ b/mix.lock
@@ -6,7 +6,7 @@
   "db_connection": {:hex, :db_connection, "2.7.0", "b99faa9291bb09892c7da373bb82cba59aefa9b36300f6145c5f201c7adf48ec", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "dcf08f31b2701f857dfc787fbad78223d61a32204f217f15e881dd93e4bdd3ff"},
   "decimal": {:hex, :decimal, "2.1.1", "5611dca5d4b2c3dd497dec8f68751f1f1a54755e8ed2a966c2633cf885973ad6", [:mix], [], "hexpm", "53cfe5f497ed0e7771ae1a475575603d77425099ba5faef9394932b35020ffcc"},
   "dns_cluster": {:hex, :dns_cluster, "0.1.3", "0bc20a2c88ed6cc494f2964075c359f8c2d00e1bf25518a6a6c7fd277c9b0c66", [:mix], [], "hexpm", "46cb7c4a1b3e52c7ad4cbe33ca5079fbde4840dedeafca2baf77996c2da1bc33"},
-  "ecto": {:hex, :ecto, "3.12.1", "626765f7066589de6fa09e0876a253ff60c3d00870dd3a1cd696e2ba67bfceea", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "df0045ab9d87be947228e05a8d153f3e06e0d05ab10c3b3cc557d2f7243d1940"},
+  "ecto": {:hex, :ecto, "3.12.2", "bae2094f038e9664ce5f089e5f3b6132a535d8b018bd280a485c2f33df5c0ce1", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "492e67c70f3a71c6afe80d946d3ced52ecc57c53c9829791bfff1830ff5a1f0c"},
   "ecto_sql": {:hex, :ecto_sql, "3.12.0", "73cea17edfa54bde76ee8561b30d29ea08f630959685006d9c6e7d1e59113b7d", [:mix], [{:db_connection, "~> 2.5 or ~> 2.4.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.12", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.7", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.19 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1 or ~> 2.2", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "dc9e4d206f274f3947e96142a8fdc5f69a2a6a9abb4649ef5c882323b6d512f0"},
   "elixir_make": {:hex, :elixir_make, "0.8.4", "4960a03ce79081dee8fe119d80ad372c4e7badb84c493cc75983f9d3bc8bde0f", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:certifi, "~> 2.0", [hex: :certifi, repo: "hexpm", optional: true]}], "hexpm", "6e7f1d619b5f61dfabd0a20aa268e575572b542ac31723293a4c1a567d5ef040"},
   "esbuild": {:hex, :esbuild, "0.8.1", "0cbf919f0eccb136d2eeef0df49c4acf55336de864e63594adcea3814f3edf41", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}, {:jason, "~> 1.4", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "25fc876a67c13cb0a776e7b5d7974851556baeda2085296c14ab48555ea7560f"},
@@ -16,6 +16,7 @@
   "floki": {:hex, :floki, "0.36.2", "a7da0193538c93f937714a6704369711998a51a6164a222d710ebd54020aa7a3", [:mix], [], "hexpm", "a8766c0bc92f074e5cb36c4f9961982eda84c5d2b8e979ca67f5c268ec8ed580"},
   "gettext": {:hex, :gettext, "0.26.1", "38e14ea5dcf962d1fc9f361b63ea07c0ce715a8ef1f9e82d3dfb8e67e0416715", [:mix], [{:expo, "~> 0.5.1 or ~> 1.0", [hex: :expo, repo: "hexpm", optional: false]}], "hexpm", "01ce56f188b9dc28780a52783d6529ad2bc7124f9744e571e1ee4ea88bf08734"},
   "guardian": {:hex, :guardian, "2.3.2", "78003504b987f2b189d76ccf9496ceaa6a454bb2763627702233f31eb7212881", [:mix], [{:jose, "~> 1.8", [hex: :jose, repo: "hexpm", optional: false]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "b189ff38cd46a22a8a824866a6867ca8722942347f13c33f7d23126af8821b52"},
+  "guardian_db": {:hex, :guardian_db, "3.0.0", "c42902e3f1af1ba1e2d0c10913b926a1421f3a7e38eb4fc382b715c17489abdb", [:mix], [{:ecto, "~> 3.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:ecto_sql, "~> 3.1", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:guardian, "~> 1.0 or ~> 2.0", [hex: :guardian, repo: "hexpm", optional: false]}, {:postgrex, "~> 0.13", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm", "9c2ec4278efa34f9f1cc6ba795e552d41fdc7ffba5319d67eeb533b89392d183"},
   "heroicons": {:git, "https://github.com/tailwindlabs/heroicons.git", "88ab3a0d790e6a47404cba02800a6b25d2afae50", [tag: "v2.1.1", sparse: "optimized"]},
   "hpax": {:hex, :hpax, "1.0.0", "28dcf54509fe2152a3d040e4e3df5b265dcb6cb532029ecbacf4ce52caea3fd2", [:mix], [], "hexpm", "7f1314731d711e2ca5fdc7fd361296593fc2542570b3105595bb0bc6d0fad601"},
   "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
@@ -37,7 +38,7 @@
   "postgrex": {:hex, :postgrex, "0.19.1", "73b498508b69aded53907fe48a1fee811be34cc720e69ef4ccd568c8715495ea", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "8bac7885a18f381e091ec6caf41bda7bb8c77912bb0e9285212829afe5d8a8f8"},
   "swoosh": {:hex, :swoosh, "1.16.12", "cbb24ad512f2f7f24c7a469661c188a00a8c2cd64e0ab54acd1520f132092dfd", [:mix], [{:bandit, ">= 1.0.0", [hex: :bandit, repo: "hexpm", optional: true]}, {:cowboy, "~> 1.1 or ~> 2.4", [hex: :cowboy, repo: "hexpm", optional: true]}, {:ex_aws, "~> 2.1", [hex: :ex_aws, repo: "hexpm", optional: true]}, {:finch, "~> 0.6", [hex: :finch, repo: "hexpm", optional: true]}, {:gen_smtp, "~> 0.13 or ~> 1.0", [hex: :gen_smtp, repo: "hexpm", optional: true]}, {:hackney, "~> 1.9", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mail, "~> 0.2", [hex: :mail, repo: "hexpm", optional: true]}, {:mime, "~> 1.1 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mua, "~> 0.2.3", [hex: :mua, repo: "hexpm", optional: true]}, {:multipart, "~> 0.4", [hex: :multipart, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: true]}, {:plug_cowboy, ">= 1.0.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:req, "~> 0.5 or ~> 1.0", [hex: :req, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "0e262df1ae510d59eeaaa3db42189a2aa1b3746f73771eb2616fc3f7ee63cc20"},
   "tailwind": {:hex, :tailwind, "0.2.3", "277f08145d407de49650d0a4685dc062174bdd1ae7731c5f1da86163a24dfcdb", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "8e45e7a34a676a7747d04f7913a96c770c85e6be810a1d7f91e713d3a3655b5d"},
-  "telemetry": {:hex, :telemetry, "1.2.1", "68fdfe8d8f05a8428483a97d7aab2f268aaff24b49e0f599faa091f1d4e7f61c", [:rebar3], [], "hexpm", "dad9ce9d8effc621708f99eac538ef1cbe05d6a874dd741de2e689c47feafed5"},
+  "telemetry": {:hex, :telemetry, "1.3.0", "fedebbae410d715cf8e7062c96a1ef32ec22e764197f70cda73d82778d61e7a2", [:rebar3], [], "hexpm", "7015fc8919dbe63764f4b4b87a95b7c0996bd539e0d499be6ec9d7f3875b79e6"},
   "telemetry_metrics": {:hex, :telemetry_metrics, "1.0.0", "29f5f84991ca98b8eb02fc208b2e6de7c95f8bb2294ef244a176675adc7775df", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "f23713b3847286a534e005126d4c959ebcca68ae9582118ce436b521d1d47d5d"},
   "telemetry_poller": {:hex, :telemetry_poller, "1.1.0", "58fa7c216257291caaf8d05678c8d01bd45f4bdbc1286838a28c4bb62ef32999", [:rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "9eb9d9cbfd81cbd7cdd24682f8711b6e2b691289a0de6826e58452f28c103c8f"},
   "thousand_island": {:hex, :thousand_island, "1.3.5", "6022b6338f1635b3d32406ff98d68b843ba73b3aa95cfc27154223244f3a6ca5", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "2be6954916fdfe4756af3239fb6b6d75d0b8063b5df03ba76fd8a4c87849e180"},
diff --git a/priv/repo/migrations/20240830115749_guardiandb.exs b/priv/repo/migrations/20240830115749_guardiandb.exs
new file mode 100644
index 0000000..cdc7459
--- /dev/null
+++ b/priv/repo/migrations/20240830115749_guardiandb.exs
@@ -0,0 +1,17 @@
+defmodule LinkShortener.Repo.Migrations.CreateGuardianDBTokensTable do
+  use Ecto.Migration
+
+  def change do
+    create table(:guardian_tokens, primary_key: false) do
+      add(:jti, :string, primary_key: true)
+      add(:aud, :string, primary_key: true)
+      add(:typ, :string)
+      add(:iss, :string)
+      add(:sub, :string)
+      add(:exp, :bigint)
+      add(:jwt, :text)
+      add(:claims, :map)
+      timestamps()
+    end
+  end
+end