diff --git a/api_tests/prepare-drone-federation-test.sh b/api_tests/prepare-drone-federation-test.sh
index 65c4827d9..e5a4bc604 100755
--- a/api_tests/prepare-drone-federation-test.sh
+++ b/api_tests/prepare-drone-federation-test.sh
@@ -82,13 +82,13 @@ LEMMY_CONFIG_LOCATION=./docker/federation/lemmy_epsilon.hjson \
   target/lemmy_server >$LOG_DIR/lemmy_epsilon.out 2>&1 &
 
 echo "wait for all instances to start"
-while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-alpha:8541/api/v3/site')" != "200" ]]; do sleep 1; done
+while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-alpha:8541/api/v4/site')" != "200" ]]; do sleep 1; done
 echo "alpha started"
-while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-beta:8551/api/v3/site')" != "200" ]]; do sleep 1; done
+while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-beta:8551/api/v4/site')" != "200" ]]; do sleep 1; done
 echo "beta started"
-while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-gamma:8561/api/v3/site')" != "200" ]]; do sleep 1; done
+while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-gamma:8561/api/v4/site')" != "200" ]]; do sleep 1; done
 echo "gamma started"
-while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-delta:8571/api/v3/site')" != "200" ]]; do sleep 1; done
+while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-delta:8571/api/v4/site')" != "200" ]]; do sleep 1; done
 echo "delta started"
-while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-epsilon:8581/api/v3/site')" != "200" ]]; do sleep 1; done
+while [[ "$(curl -s -o /dev/null -w '%{http_code}' 'lemmy-epsilon:8581/api/v4/site')" != "200" ]]; do sleep 1; done
 echo "epsilon started. All started"
diff --git a/api_tests/src/image.spec.ts b/api_tests/src/image.spec.ts
index 7ac6e7221..ede04294d 100644
--- a/api_tests/src/image.spec.ts
+++ b/api_tests/src/image.spec.ts
@@ -199,11 +199,11 @@ test("Images in remote image post are proxied if setting enabled", async () => {
   // remote image gets proxied after upload
   expect(
     post.thumbnail_url?.startsWith(
-      "http://lemmy-gamma:8561/api/v3/image_proxy?url",
+      "http://lemmy-gamma:8561/api/v4/image_proxy?url",
     ),
   ).toBeTruthy();
   expect(
-    post.body?.startsWith("![](http://lemmy-gamma:8561/api/v3/image_proxy?url"),
+    post.body?.startsWith("![](http://lemmy-gamma:8561/api/v4/image_proxy?url"),
   ).toBeTruthy();
 
   // Make sure that it ends with jpg, to be sure its an image
@@ -222,12 +222,12 @@ test("Images in remote image post are proxied if setting enabled", async () => {
 
   expect(
     epsilonPost.thumbnail_url?.startsWith(
-      "http://lemmy-epsilon:8581/api/v3/image_proxy?url",
+      "http://lemmy-epsilon:8581/api/v4/image_proxy?url",
     ),
   ).toBeTruthy();
   expect(
     epsilonPost.body?.startsWith(
-      "![](http://lemmy-epsilon:8581/api/v3/image_proxy?url",
+      "![](http://lemmy-epsilon:8581/api/v4/image_proxy?url",
     ),
   ).toBeTruthy();
 
@@ -249,7 +249,7 @@ test("Thumbnail of remote image link is proxied if setting enabled", async () =>
   // remote image gets proxied after upload
   expect(
     post.thumbnail_url?.startsWith(
-      "http://lemmy-gamma:8561/api/v3/image_proxy?url",
+      "http://lemmy-gamma:8561/api/v4/image_proxy?url",
     ),
   ).toBeTruthy();
 
@@ -267,7 +267,7 @@ test("Thumbnail of remote image link is proxied if setting enabled", async () =>
 
   expect(
     epsilonPost.thumbnail_url?.startsWith(
-      "http://lemmy-epsilon:8581/api/v3/image_proxy?url",
+      "http://lemmy-epsilon:8581/api/v4/image_proxy?url",
     ),
   ).toBeTruthy();
 
diff --git a/crates/api_common/README.md b/crates/api_common/README.md
index b4e7ad63b..ded59d34a 100644
--- a/crates/api_common/README.md
+++ b/crates/api_common/README.md
@@ -11,7 +11,7 @@ Here is an example using [reqwest](https://crates.io/crates/reqwest):
     };
     let client = Client::new();
     let response = client
-        .get("https://lemmy.ml/api/v3/post/list")
+        .get("https://lemmy.ml/api/v4/post/list")
         .query(&params)
         .send()
         .await?;
diff --git a/crates/api_common/src/site.rs b/crates/api_common/src/site.rs
index f23fa27ef..68aedc49e 100644
--- a/crates/api_common/src/site.rs
+++ b/crates/api_common/src/site.rs
@@ -435,7 +435,7 @@ pub struct EditSite {
 /// The response for a site.
 pub struct SiteResponse {
   pub site_view: SiteView,
-  /// deprecated, use field `tagline` or /api/v3/tagline/list
+  /// deprecated, use field `tagline` or /api/4/tagline/list
   pub taglines: Vec<()>,
 }
 
diff --git a/crates/api_common/src/utils.rs b/crates/api_common/src/utils.rs
index d46e57749..688c13186 100644
--- a/crates/api_common/src/utils.rs
+++ b/crates/api_common/src/utils.rs
@@ -1120,7 +1120,7 @@ async fn proxy_image_link_internal(
   }
 }
 
-/// Rewrite a link to go through `/api/v3/image_proxy` endpoint. This is only for remote urls and
+/// Rewrite a link to go through `/api/v4/image_proxy` endpoint. This is only for remote urls and
 /// if image_proxy setting is enabled.
 pub async fn proxy_image_link(link: Url, context: &LemmyContext) -> LemmyResult<DbUrl> {
   proxy_image_link_internal(
@@ -1172,7 +1172,7 @@ fn build_proxied_image_url(
   protocol_and_hostname: &str,
 ) -> Result<Url, url::ParseError> {
   Url::parse(&format!(
-    "{}/api/v3/image_proxy?url={}",
+    "{}/api/v4/image_proxy?url={}",
     protocol_and_hostname,
     encode(link.as_str())
   ))
@@ -1251,7 +1251,7 @@ mod tests {
     )
     .await?;
     assert_eq!(
-      "https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Flemmy-beta%2Fimage.png",
+      "https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Flemmy-beta%2Fimage.png",
       proxied.as_str()
     );
 
diff --git a/crates/utils/src/settings/structs.rs b/crates/utils/src/settings/structs.rs
index fdbec4a95..e908fa412 100644
--- a/crates/utils/src/settings/structs.rs
+++ b/crates/utils/src/settings/structs.rs
@@ -111,7 +111,7 @@ pub enum PictrsImageMode {
   #[default]
   StoreLinkPreviews,
   /// If enabled, all images from remote domains are rewritten to pass through
-  /// `/api/v3/image_proxy`, including embedded images in markdown. Images are stored temporarily
+  /// `/api/v4/image_proxy`, including embedded images in markdown. Images are stored temporarily
   /// in pict-rs for caching. This improves privacy as users don't expose their IP to untrusted
   /// servers, and decreases load on other servers. However it increases bandwidth use for the
   /// local server.
diff --git a/crates/utils/src/utils/markdown/image_links.rs b/crates/utils/src/utils/markdown/image_links.rs
index 9dcea8da7..0990b1bc7 100644
--- a/crates/utils/src/utils/markdown/image_links.rs
+++ b/crates/utils/src/utils/markdown/image_links.rs
@@ -4,7 +4,7 @@ use markdown_it::{plugins::cmark::inline::image::Image, NodeValue};
 use url::Url;
 use urlencoding::encode;
 
-/// Rewrites all links to remote domains in markdown, so they go through `/api/v3/image_proxy`.
+/// Rewrites all links to remote domains in markdown, so they go through `/api/v4/image_proxy`.
 pub fn markdown_rewrite_image_links(mut src: String) -> (String, Vec<Url>) {
   let links_offsets = find_urls::<Image>(&src);
 
@@ -18,7 +18,7 @@ pub fn markdown_rewrite_image_links(mut src: String) -> (String, Vec<Url>) {
         // If link points to remote domain, replace with proxied link
         if parsed.domain() != Some(&SETTINGS.hostname) {
           let mut proxied = format!(
-            "{}/api/v3/image_proxy?url={}",
+            "{}/api/v4/image_proxy?url={}",
             SETTINGS.get_protocol_and_hostname(),
             encode(url),
           );
@@ -115,7 +115,7 @@ mod tests {
         (
           "remote image proxied",
           "![link](http://example.com/image.jpg)",
-          "![link](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)",
+          "![link](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)",
         ),
         (
           "local image unproxied",
@@ -125,7 +125,7 @@ mod tests {
         (
           "multiple image links",
           "![link](http://example.com/image1.jpg) ![link](http://example.com/image2.jpg)",
-          "![link](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage1.jpg) ![link](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage2.jpg)",
+          "![link](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage1.jpg) ![link](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage2.jpg)",
         ),
         (
           "empty link handled",
@@ -135,7 +135,7 @@ mod tests {
         (
           "empty label handled",
           "![](http://example.com/image.jpg)",
-          "![](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
+          "![](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
         ),
         (
           "invalid image link removed",
@@ -145,12 +145,12 @@ mod tests {
         (
           "label with nested markdown handled",
           "![a *b* c](http://example.com/image.jpg)",
-          "![a *b* c](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
+          "![a *b* c](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
         ),
         (
           "custom emoji support",
           r#"![party-blob](https://www.hexbear.net/pictrs/image/83405746-0620-4728-9358-5f51b040ffee.gif "emoji party-blob")"#,
-          r#"![party-blob](https://lemmy-alpha/api/v3/image_proxy?url=https%3A%2F%2Fwww.hexbear.net%2Fpictrs%2Fimage%2F83405746-0620-4728-9358-5f51b040ffee.gif "emoji party-blob")"#
+          r#"![party-blob](https://lemmy-alpha/api/v4/image_proxy?url=https%3A%2F%2Fwww.hexbear.net%2Fpictrs%2Fimage%2F83405746-0620-4728-9358-5f51b040ffee.gif "emoji party-blob")"#
         )
       ];
 
diff --git a/crates/utils/src/utils/markdown/mod.rs b/crates/utils/src/utils/markdown/mod.rs
index 3dfa8e9f1..ba509596e 100644
--- a/crates/utils/src/utils/markdown/mod.rs
+++ b/crates/utils/src/utils/markdown/mod.rs
@@ -141,7 +141,7 @@ mod tests {
         (
           "remote image proxied",
           "![link](http://example.com/image.jpg)",
-          "![link](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)",
+          "![link](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)",
         ),
         (
           "local image unproxied",
@@ -151,7 +151,7 @@ mod tests {
         (
           "multiple image links",
           "![link](http://example.com/image1.jpg) ![link](http://example.com/image2.jpg)",
-          "![link](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage1.jpg) ![link](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage2.jpg)",
+          "![link](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage1.jpg) ![link](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage2.jpg)",
         ),
         (
           "empty link handled",
@@ -161,7 +161,7 @@ mod tests {
         (
           "empty label handled",
           "![](http://example.com/image.jpg)",
-          "![](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
+          "![](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
         ),
         (
           "invalid image link removed",
@@ -171,12 +171,12 @@ mod tests {
         (
           "label with nested markdown handled",
           "![a *b* c](http://example.com/image.jpg)",
-          "![a *b* c](https://lemmy-alpha/api/v3/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
+          "![a *b* c](https://lemmy-alpha/api/v4/image_proxy?url=http%3A%2F%2Fexample.com%2Fimage.jpg)"
         ),
         (
           "custom emoji support",
           r#"![party-blob](https://www.hexbear.net/pictrs/image/83405746-0620-4728-9358-5f51b040ffee.gif "emoji party-blob")"#,
-          r#"![party-blob](https://lemmy-alpha/api/v3/image_proxy?url=https%3A%2F%2Fwww.hexbear.net%2Fpictrs%2Fimage%2F83405746-0620-4728-9358-5f51b040ffee.gif "emoji party-blob")"#
+          r#"![party-blob](https://lemmy-alpha/api/v4/image_proxy?url=https%3A%2F%2Fwww.hexbear.net%2Fpictrs%2Fimage%2F83405746-0620-4728-9358-5f51b040ffee.gif "emoji party-blob")"#
         )
       ];
 
diff --git a/src/api_routes_v4.rs b/src/api_routes_v4.rs
index 42f25628f..a25c03bca 100644
--- a/src/api_routes_v4.rs
+++ b/src/api_routes_v4.rs
@@ -162,7 +162,7 @@ use lemmy_utils::rate_limit::RateLimitCell;
 
 pub fn config(cfg: &mut web::ServiceConfig, rate_limit: &RateLimitCell) {
   cfg.service(
-    web::scope("/api/v3")
+    web::scope("/api/v4")
       .wrap(rate_limit.message())
       .route("/image_proxy", web::get().to(image_proxy))
       // Site
@@ -283,11 +283,11 @@ pub fn config(cfg: &mut web::ServiceConfig, rate_limit: &RateLimitCell) {
         web::scope("/account/auth")
           .guard(guard::Post())
           .wrap(rate_limit.register())
-          .route("register", web::post().to(register))
-          .route("login", web::post().to(login))
+          .route("/register", web::post().to(register))
+          .route("/login", web::post().to(login))
           .route("/logout", web::post().to(logout))
-          .route("password_reset", web::post().to(reset_password))
-          .route("get_captcha", web::get().to(get_captcha))
+          .route("/password_reset", web::post().to(reset_password))
+          .route("/get_captcha", web::get().to(get_captcha))
           .route(
             "/password_change",
             web::post().to(change_password_after_reset),