diff --git a/lib/assent/strategies/apple.ex b/lib/assent/strategies/apple.ex
index b92dd61..09200ba 100644
--- a/lib/assent/strategies/apple.ex
+++ b/lib/assent/strategies/apple.ex
@@ -13,7 +13,8 @@ defmodule Assent.Strategy.Apple do
         client_id: "REPLACE_WITH_SERVICES_ID",
         team_id: "REPLACE_WITH_TEAM_ID",
         private_key_id: "REPLACE_WITH_PRIVATE_KEY_ID",
-        private_key_path: "/path/to/key.p8"
+        private_key_path: "/path/to/private_key.p8",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   ## With JS SDK
diff --git a/lib/assent/strategies/auth0.ex b/lib/assent/strategies/auth0.ex
index aeb5df9..c8903e9 100644
--- a/lib/assent/strategies/auth0.ex
+++ b/lib/assent/strategies/auth0.ex
@@ -7,7 +7,8 @@ defmodule Assent.Strategy.Auth0 do
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
         client_secret: "REPLACE_WITH_CLIENT_SECRET",
-        domain: "REPLACE_WITH_DOMAIN"
+        domain: "REPLACE_WITH_DOMAIN",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/azure_ad.ex b/lib/assent/strategies/azure_ad.ex
index 3fd7663..18fbd51 100644
--- a/lib/assent/strategies/azure_ad.ex
+++ b/lib/assent/strategies/azure_ad.ex
@@ -12,7 +12,8 @@ defmodule Assent.Strategy.AzureAD do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   A tenant id can be set to limit scope of users who can get access (defaults
@@ -21,7 +22,8 @@ defmodule Assent.Strategy.AzureAD do
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
         client_secret: "REPLACE_WITH_CLIENT_SECRET",
-        tenant_id: "REPLACE_WITH_TENANT_ID"
+        tenant_id: "REPLACE_WITH_TENANT_ID",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   ## Setting up Azure AD
diff --git a/lib/assent/strategies/basecamp.ex b/lib/assent/strategies/basecamp.ex
index 71d84b2..ef25fbf 100644
--- a/lib/assent/strategies/basecamp.ex
+++ b/lib/assent/strategies/basecamp.ex
@@ -12,7 +12,8 @@ defmodule Assent.Strategy.Basecamp do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/digital_ocean.ex b/lib/assent/strategies/digital_ocean.ex
index 116d6e8..5eaffb9 100644
--- a/lib/assent/strategies/digital_ocean.ex
+++ b/lib/assent/strategies/digital_ocean.ex
@@ -6,7 +6,8 @@ defmodule Assent.Strategy.DigitalOcean do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/discord.ex b/lib/assent/strategies/discord.ex
index 8144ffe..b1620ad 100644
--- a/lib/assent/strategies/discord.ex
+++ b/lib/assent/strategies/discord.ex
@@ -6,7 +6,8 @@ defmodule Assent.Strategy.Discord do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/facebook.ex b/lib/assent/strategies/facebook.ex
index 9163601..f01cf6d 100644
--- a/lib/assent/strategies/facebook.ex
+++ b/lib/assent/strategies/facebook.ex
@@ -17,7 +17,8 @@ defmodule Assent.Strategy.Facebook do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/github.ex b/lib/assent/strategies/github.ex
index f2caab8..9eb7ce2 100644
--- a/lib/assent/strategies/github.ex
+++ b/lib/assent/strategies/github.ex
@@ -12,7 +12,8 @@ defmodule Assent.Strategy.Github do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/gitlab.ex b/lib/assent/strategies/gitlab.ex
index b05034f..f53c0e3 100644
--- a/lib/assent/strategies/gitlab.ex
+++ b/lib/assent/strategies/gitlab.ex
@@ -6,7 +6,8 @@ defmodule Assent.Strategy.Gitlab do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/google.ex b/lib/assent/strategies/google.ex
index c1152d2..318079d 100644
--- a/lib/assent/strategies/google.ex
+++ b/lib/assent/strategies/google.ex
@@ -10,7 +10,8 @@ defmodule Assent.Strategy.Google do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   To get the refresh token, it's necessary to pass `access_type: "offline"` in
diff --git a/lib/assent/strategies/instagram.ex b/lib/assent/strategies/instagram.ex
index 60b4aba..cea0ee5 100644
--- a/lib/assent/strategies/instagram.ex
+++ b/lib/assent/strategies/instagram.ex
@@ -9,7 +9,8 @@ defmodule Assent.Strategy.Instagram do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/line.ex b/lib/assent/strategies/line.ex
index 32cedb3..8df3f64 100644
--- a/lib/assent/strategies/line.ex
+++ b/lib/assent/strategies/line.ex
@@ -6,7 +6,8 @@ defmodule Assent.Strategy.LINE do
 
     config = [
       client_id: "REPLACE_WITH_CLIENT_ID",
-      client_secret: "REPLACE_WITH_CLIENT_SECRET"
+      client_secret: "REPLACE_WITH_CLIENT_SECRET",
+      redirect_uri: "http://localhost:4000/auth/callback"
     ]
 
   See `Assent.Strategy.OIDC` for more.
diff --git a/lib/assent/strategies/linkedin.ex b/lib/assent/strategies/linkedin.ex
index c8a7971..a994620 100644
--- a/lib/assent/strategies/linkedin.ex
+++ b/lib/assent/strategies/linkedin.ex
@@ -10,7 +10,8 @@ defmodule Assent.Strategy.Linkedin do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OIDC` for more.
diff --git a/lib/assent/strategies/oauth2.ex b/lib/assent/strategies/oauth2.ex
index 2bedf2a..99f8647 100644
--- a/lib/assent/strategies/oauth2.ex
+++ b/lib/assent/strategies/oauth2.ex
@@ -59,6 +59,7 @@ defmodule Assent.Strategy.OAuth2 do
 
       {:ok, %{user: user, token: token}} =
         config
+        |> Assent.Config.put(:redirect_uri, "http://localhost:4000/auth/callback")
         |> Assent.Config.put(:session_params, session_params)
         |> Assent.Strategy.OAuth2.callback(params)
   """
diff --git a/lib/assent/strategies/oidc.ex b/lib/assent/strategies/oidc.ex
index d455b96..79caa4b 100644
--- a/lib/assent/strategies/oidc.ex
+++ b/lib/assent/strategies/oidc.ex
@@ -44,6 +44,7 @@ defmodule Assent.Strategy.OIDC do
 
       {:ok, %{user: user, token: token}} =
         config
+        |> Assent.Config.put(:redirect_uri, "http://localhost:4000/auth/callback")
         |> Assent.Config.put(:session_params, session_params)
         |> Assent.Strategy.OIDC.callback(params)
 
diff --git a/lib/assent/strategies/slack.ex b/lib/assent/strategies/slack.ex
index b82f12a..2edb518 100644
--- a/lib/assent/strategies/slack.ex
+++ b/lib/assent/strategies/slack.ex
@@ -15,7 +15,8 @@ defmodule Assent.Strategy.Slack do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   By default, the user can decide what team should be used for authorization.
@@ -25,7 +26,8 @@ defmodule Assent.Strategy.Slack do
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
         client_secret: "REPLACE_WITH_CLIENT_SECRET",
-        team_id: "XXXXXXX"
+        team_id: "REPLACE_WITH_TEAM_ID",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   This value will be not be used if you set a `authorization_params` key.
diff --git a/lib/assent/strategies/spotify.ex b/lib/assent/strategies/spotify.ex
index a63737e..b71a554 100644
--- a/lib/assent/strategies/spotify.ex
+++ b/lib/assent/strategies/spotify.ex
@@ -6,7 +6,8 @@ defmodule Assent.Strategy.Spotify do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/strava.ex b/lib/assent/strategies/strava.ex
index 2fdacfc..3fc4636 100644
--- a/lib/assent/strategies/strava.ex
+++ b/lib/assent/strategies/strava.ex
@@ -9,7 +9,8 @@ defmodule Assent.Strategy.Strava do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/stripe.ex b/lib/assent/strategies/stripe.ex
index d93c477..5f712fb 100644
--- a/lib/assent/strategies/stripe.ex
+++ b/lib/assent/strategies/stripe.ex
@@ -6,7 +6,8 @@ defmodule Assent.Strategy.Stripe do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth2` for more.
diff --git a/lib/assent/strategies/twitter.ex b/lib/assent/strategies/twitter.ex
index e2845d0..a8718b9 100644
--- a/lib/assent/strategies/twitter.ex
+++ b/lib/assent/strategies/twitter.ex
@@ -9,7 +9,8 @@ defmodule Assent.Strategy.Twitter do
 
       config = [
         consumer_key: "REPLACE_WITH_CONSUMER_KEY",
-        consumer_secret: "REPLACE_WITH_CONSUMER_SECRET"
+        consumer_secret: "REPLACE_WITH_CONSUMER_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
 
   See `Assent.Strategy.OAuth` for more.
diff --git a/lib/assent/strategies/vk.ex b/lib/assent/strategies/vk.ex
index 397a267..472a89b 100644
--- a/lib/assent/strategies/vk.ex
+++ b/lib/assent/strategies/vk.ex
@@ -16,7 +16,8 @@ defmodule Assent.Strategy.VK do
 
       config = [
         client_id: "REPLACE_WITH_CLIENT_ID",
-        client_secret: "REPLACE_WITH_CLIENT_SECRET"
+        client_secret: "REPLACE_WITH_CLIENT_SECRET",
+        redirect_uri: "http://localhost:4000/auth/callback"
       ]
   """
   use Assent.Strategy.OAuth2.Base