diff --git a/src/server/actors/repo/branch.rs b/src/server/actors/repo/branch.rs
index 524c18f..2e1a43b 100644
--- a/src/server/actors/repo/branch.rs
+++ b/src/server/actors/repo/branch.rs
@@ -4,7 +4,6 @@ use kxio::network::{self, Network};
 use tracing::{error, info, warn};
 
 use crate::server::{
-    actors::repo::ValidateRepo,
     config::{self, RepoConfig, RepoDetails},
     forge::{self, CommitHistories},
     git::Git,
@@ -27,7 +26,6 @@ pub async fn validate_positions(
         Ok(commit_histories) => commit_histories,
         Err(err) => {
             error!(?err, "Failed to get commit histories");
-            revalidate_positions(addr).await;
             return;
         }
     };
@@ -35,20 +33,17 @@ pub async fn validate_positions(
     // Validations
     let Some(main) = commit_histories.main.first().cloned() else {
         warn!("No commits on main branch '{}'", config.branches().main());
-        revalidate_positions(addr).await;
         return;
     };
     // verify that next is an ancestor of dev, and force update to it main if it isn't
     let Some(next) = commit_histories.next.first().cloned() else {
         warn!("No commits on next branch '{}", config.branches().next());
-        revalidate_positions(addr).await;
         return;
     };
     let next_is_ancestor_of_dev = commit_histories.dev.iter().any(|dev| dev == &next);
     if !next_is_ancestor_of_dev {
         info!("Next is not an ancestor of dev - resetting next to main");
         reset_next_to_main(next, main, &repo_details, &config, &git);
-        revalidate_positions(addr).await;
         return;
     }
 
@@ -64,12 +59,10 @@ pub async fn validate_positions(
             config.branches().next()
         );
         reset_next_to_main(next, main, &repo_details, &config, &git);
-        revalidate_positions(addr).await;
         return;
     }
     let Some(next) = next_commits.first().cloned() else {
         warn!("No commits on next branch '{}'", config.branches().next());
-        revalidate_positions(addr).await;
         return;
     };
     let dev_has_next = commit_histories
@@ -82,7 +75,6 @@ pub async fn validate_positions(
             config.branches().dev(),
             config.branches().next()
         );
-        revalidate_positions(addr).await;
         return; // dev is not based on next
     }
     let dev_has_main = commit_histories.dev.iter().any(|commit| commit == &main);
@@ -93,12 +85,10 @@ pub async fn validate_positions(
             config.branches().main(),
             config.branches().main(),
         );
-        revalidate_positions(addr).await;
         return;
     }
     let Some(dev) = commit_histories.dev.first().cloned() else {
         warn!("No commits on dev branch '{}'", config.branches().dev());
-        revalidate_positions(addr).await;
         return;
     };
     addr.do_send(StartMonitoring {
@@ -144,12 +134,6 @@ fn reset_next_to_main(
     }
 }
 
-async fn revalidate_positions(addr: Addr<RepoActor>) {
-    // TODO : (#43) sleep and restart while we don't have webhooks
-    tokio::time::sleep(std::time::Duration::from_secs(10)).await;
-    addr.do_send(ValidateRepo)
-}
-
 // advance next to the next commit towards the head of the dev branch
 #[tracing::instrument(fields(next), skip_all)]
 pub async fn advance_next(
@@ -157,18 +141,15 @@ pub async fn advance_next(
     dev_commit_history: Vec<forge::Commit>,
     repo_details: config::RepoDetails,
     repo_config: config::RepoConfig,
-    addr: Addr<RepoActor>,
     git: Git,
 ) {
     let next_commit = find_next_commit_on_dev(next, dev_commit_history);
     let Some(commit) = next_commit else {
         warn!("No commits to advance next to");
-        revalidate_positions(addr).await;
         return;
     };
     if let Some(problem) = validate_commit_message(commit.message()) {
         warn!("Can't advance next to commit '{}': {}", commit, problem);
-        revalidate_positions(addr).await;
         return;
     }
     info!("Advancing next to commit '{}'", commit);
@@ -180,7 +161,6 @@ pub async fn advance_next(
     ) {
         warn!(?err, "Failed")
     };
-    revalidate_positions(addr).await;
 }
 
 #[tracing::instrument]
diff --git a/src/server/actors/repo/mod.rs b/src/server/actors/repo/mod.rs
index 5514dfe..8c6ebaf 100644
--- a/src/server/actors/repo/mod.rs
+++ b/src/server/actors/repo/mod.rs
@@ -8,7 +8,7 @@ use kxio::network::Network;
 use tracing::{info, warn};
 
 use crate::server::{
-    config::{RepoConfig, RepoDetails},
+    config::{RepoConfig, RepoDetails, Webhook},
     forge,
     git::Git,
 };
@@ -17,17 +17,24 @@ use self::webhook::WebhookId;
 
 pub struct RepoActor {
     details: RepoDetails,
-    config: Option<RepoConfig>, // INFO: if [None] then send [StartRepo] to populate it
+    webhook: Webhook,
     webhook_id: Option<WebhookId>, // INFO: if [None] then no webhook is configured
+    webhook_auth: Option<ulid::Ulid>,
     net: Network,
     git: Git,
 }
 impl RepoActor {
-    pub(crate) const fn new(details: RepoDetails, net: Network, git: Git) -> Self {
+    pub(crate) const fn new(
+        details: RepoDetails,
+        webhook: Webhook,
+        net: Network,
+        git: Git,
+    ) -> Self {
         Self {
             details,
-            config: None,
+            webhook,
             webhook_id: None,
+            webhook_auth: None,
             net,
             git,
         }
@@ -72,7 +79,18 @@ impl Handler<LoadedConfig> for RepoActor {
     fn handle(&mut self, msg: LoadedConfig, ctx: &mut Self::Context) -> Self::Result {
         let config = msg.0;
         info!(%self.details, %config, "Config loaded");
-        self.config.replace(config);
+        self.details.config.replace(config);
+        if self.webhook_id.is_none() {
+            info!("lets register the webhook...");
+            webhook::register(
+                self.details.clone(),
+                self.webhook.clone(),
+                ctx.address(),
+                self.net.clone(),
+            )
+            .into_actor(self)
+            .wait(ctx);
+        }
         ctx.address().do_send(ValidateRepo);
     }
 }
@@ -83,7 +101,7 @@ pub struct ValidateRepo;
 impl Handler<ValidateRepo> for RepoActor {
     type Result = ();
     fn handle(&mut self, _msg: ValidateRepo, ctx: &mut Self::Context) -> Self::Result {
-        if let Some(repo_config) = self.config.clone() {
+        if let Some(repo_config) = self.details.config.clone() {
             let repo_details = self.details.clone();
             let addr = ctx.address();
             let net = self.net.clone();
@@ -106,7 +124,7 @@ pub struct StartMonitoring {
 impl Handler<StartMonitoring> for RepoActor {
     type Result = ();
     fn handle(&mut self, msg: StartMonitoring, ctx: &mut Self::Context) -> Self::Result {
-        let Some(repo_config) = self.config.clone() else {
+        let Some(repo_config) = self.details.config.clone() else {
             warn!("No config loaded");
             return;
         };
@@ -116,6 +134,7 @@ impl Handler<StartMonitoring> for RepoActor {
         info!(%msg.main, %msg.next, %msg.dev, next_ahead_of_main, dev_ahead_of_next, "StartMonitoring");
 
         let repo_details = self.details.clone();
+        let webhook = self.webhook.clone();
         let addr = ctx.address();
         let net = self.net.clone();
         let git = self.git.clone();
@@ -130,13 +149,12 @@ impl Handler<StartMonitoring> for RepoActor {
                 msg.dev_commit_history,
                 repo_details,
                 repo_config,
-                addr,
                 git,
             )
             .into_actor(self)
             .wait(ctx);
         } else if self.webhook_id.is_none() {
-            webhook::register(repo_details, addr, net)
+            webhook::register(repo_details, webhook, addr, net)
                 .into_actor(self)
                 .wait(ctx);
         }
@@ -145,11 +163,12 @@ impl Handler<StartMonitoring> for RepoActor {
 
 #[derive(Message)]
 #[rtype(result = "()")]
-pub struct WebhookRegistered(pub WebhookId);
+pub struct WebhookRegistered(pub WebhookId, pub ulid::Ulid);
 impl Handler<WebhookRegistered> for RepoActor {
     type Result = ();
     fn handle(&mut self, msg: WebhookRegistered, _ctx: &mut Self::Context) -> Self::Result {
         self.webhook_id.replace(msg.0);
+        self.webhook_auth.replace(msg.1);
     }
 }
 
@@ -160,7 +179,7 @@ impl Handler<AdvanceMainTo> for RepoActor {
     type Result = ();
     fn handle(&mut self, msg: AdvanceMainTo, ctx: &mut Self::Context) -> Self::Result {
         let repo_details = self.details.clone();
-        let Some(repo_config) = self.config.clone() else {
+        let Some(repo_config) = self.details.config.clone() else {
             warn!("No config loaded");
             return;
         };
diff --git a/src/server/actors/repo/status.rs b/src/server/actors/repo/status.rs
index 4f94b50..3c7c157 100644
--- a/src/server/actors/repo/status.rs
+++ b/src/server/actors/repo/status.rs
@@ -3,7 +3,6 @@ use gix::trace::warn;
 use tracing::info;
 
 use crate::server::{
-    actors::repo::ValidateRepo,
     config::{self, ForgeType},
     forge,
 };
@@ -37,9 +36,6 @@ pub async fn check_next(
             warn!("Checks have failed");
         }
     }
-    // TODO : (#43) sleep and restart while we don't have webhooks
-    tokio::time::sleep(std::time::Duration::from_secs(10)).await;
-    addr.do_send(ValidateRepo);
 }
 
 #[derive(Debug)]
diff --git a/src/server/actors/repo/webhook.rs b/src/server/actors/repo/webhook.rs
index 6c62d16..636ea7a 100644
--- a/src/server/actors/repo/webhook.rs
+++ b/src/server/actors/repo/webhook.rs
@@ -1,12 +1,15 @@
 use actix::prelude::*;
-use kxio::network;
+use kxio::network::{self, json};
 use tracing::{info, warn};
 
 use std::{fmt::Display, ops::Deref};
 
-use crate::server::actors::{
-    repo::{RepoActor, ValidateRepo},
-    webhook::WebhookMessage,
+use crate::server::{
+    actors::{
+        repo::{RepoActor, WebhookRegistered},
+        webhook::WebhookMessage,
+    },
+    config::Webhook,
 };
 
 #[derive(Clone, Debug, PartialEq, Eq)]
@@ -37,8 +40,10 @@ pub async fn unregister(
     info!(?webhook_id, "unregister webhook");
     let hostname = &repo_details.forge.hostname;
     let path = repo_details.repo;
+    use secrecy::ExposeSecret;
+    let token = repo_details.forge.token.expose_secret();
     let url = network::NetUrl::new(format!(
-        "https://{hostname}/api/v1/repos/{path}/hooks/{webhook_id}"
+        "https://{hostname}/api/v1/repos/{path}/hooks/{webhook_id}?token={token}"
     ));
     let request = network::NetRequest::new(
         network::RequestMethod::Delete,
@@ -57,13 +62,66 @@ pub async fn unregister(
 }
 
 pub async fn register(
-    _repo_details: crate::server::config::RepoDetails,
+    repo_details: crate::server::config::RepoDetails,
+    webhook: Webhook,
     addr: actix::prelude::Addr<super::RepoActor>,
-    _net: network::Network,
+    net: network::Network,
 ) {
-    // TODO: (#15) register webhook - on success send webhook id to RepoActor
-    tokio::time::sleep(std::time::Duration::from_secs(10)).await;
-    addr.do_send(ValidateRepo);
+    let Some(repo_config) = repo_details.config else {
+        return;
+    };
+    info!("Registering webhook");
+    let hostname = &repo_details.forge.hostname;
+    let path = repo_details.repo;
+    use secrecy::ExposeSecret;
+    let token = repo_details.forge.token.expose_secret();
+    let url = network::NetUrl::new(format!(
+        "https://{hostname}/api/v1/repos/{path}/hooks?token={token}"
+    ));
+    let webhook_url = webhook.url();
+    let repo_alias = repo_details.name;
+    let headers = network::NetRequestHeaders::new().with("Content-Type", "application/json");
+    let authorisation = ulid::Ulid::new();
+    let body = json!({
+      "active": true,
+      "authorization_header": format!("Basic {}", authorisation),
+      "branch_filter": format!("{{{},{},{}}}", repo_config.branches().main(), repo_config.branches().next(), repo_config.branches().dev()),
+      "config": {
+        "content_type": "json",
+        "url": format!("{}/{}", webhook_url.as_ref(), repo_alias),
+      },
+      "events": [ "push" ],
+      "type": "forgejo"
+    });
+    let request = network::NetRequest::new(
+        network::RequestMethod::Post,
+        url,
+        headers,
+        network::RequestBody::Json(body),
+        network::ResponseType::Json,
+        None,
+        network::NetRequestLogging::None,
+    );
+    let result = net.post_json::<Hook>(request).await;
+    match result {
+        Ok(response) => {
+            if let Some(hook) = response.response_body() {
+                info!("Webhook registered");
+                addr.do_send(WebhookRegistered(hook.id(), authorisation));
+            }
+        }
+        Err(_) => warn!("Failed to register webhook"),
+    }
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Hook {
+    id: i64,
+}
+impl Hook {
+    fn id(&self) -> WebhookId {
+        WebhookId(format!("{}", self.id))
+    }
 }
 
 impl Handler<WebhookMessage> for RepoActor {
diff --git a/src/server/config.rs b/src/server/config.rs
index 822da2f..c81010c 100644
--- a/src/server/config.rs
+++ b/src/server/config.rs
@@ -26,10 +26,14 @@ impl ServerConfig {
             .iter()
             .map(|(name, forge)| (ForgeName(name.clone()), forge))
     }
+
+    pub const fn webhook(&self) -> &Webhook {
+        &self.webhook
+    }
 }
 
 /// Defines the Webhook Forges should send updates to
-#[derive(Debug, PartialEq, Eq, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Eq, Deserialize)]
 pub struct Webhook {
     url: String,
 }
diff --git a/src/server/forge/forgejo/config.rs b/src/server/forge/forgejo/config.rs
index 779e57a..3d329e7 100644
--- a/src/server/forge/forgejo/config.rs
+++ b/src/server/forge/forgejo/config.rs
@@ -1,6 +1,5 @@
 use base64::Engine;
 use kxio::network::{self, Network};
-use secrecy::ExposeSecret;
 use terrors::OneOf;
 use tracing::{error, info};
 
@@ -34,6 +33,7 @@ pub async fn load(
     let path = &details.repo;
     let filepath = ".git-next.toml";
     let branch = &details.branch;
+    use secrecy::ExposeSecret;
     let token = details.forge.token.expose_secret();
     let url = network::NetUrl::new(format!(
         "https://{hostname}/api/v1/repos/{path}/contents/{filepath}?ref={branch}&token={token}"
@@ -128,6 +128,7 @@ pub async fn validate(
 ) -> Result<RepoConfig, OneOf<RepoConfigValidateErrors>> {
     let hostname = &details.forge.hostname;
     let path = &details.repo;
+    use secrecy::ExposeSecret;
     let token = details.forge.token.expose_secret();
     let url = network::NetUrl::new(format!(
         "https://{hostname}/api/v1/repos/{path}/branches?token={token}"
diff --git a/src/server/mod.rs b/src/server/mod.rs
index faa19b9..3d01a4a 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -15,7 +15,7 @@ use crate::{
     filesystem::FileSystem,
     server::{
         actors::webhook,
-        config::{Forge, ForgeName, RepoAlias},
+        config::{Forge, ForgeName, RepoAlias, Webhook},
         git::Git,
     },
 };
@@ -46,19 +46,19 @@ pub async fn start(fs: FileSystem, net: Network, git: Git) {
         return;
     };
     info!("Starting Server...");
-    let config = match config::ServerConfig::load(&fs) {
-        Ok(config) => config,
+    let server_config = match config::ServerConfig::load(&fs) {
+        Ok(server_config) => server_config,
         Err(err) => {
             error!("Failed to load config file. Error: {}", err);
             return;
         }
     };
 
-    info!("Config loaded");
     let webhook_router = webhook::WebhookRouter::new().start();
-    config
+    let webhook = server_config.webhook();
+    server_config
         .forges()
-        .flat_map(|(forge_name, forge)| create_forge_repos(forge, forge_name, &net, &git))
+        .flat_map(|(forge_name, forge)| create_forge_repos(forge, forge_name, webhook, &net, &git))
         .map(start_actor)
         .map(|(alias, addr)| webhook::AddWebhookRecipient(alias, addr.recipient()))
         .for_each(|msg| webhook_router.do_send(msg));
@@ -71,6 +71,7 @@ pub async fn start(fs: FileSystem, net: Network, git: Git) {
 fn create_forge_repos(
     forge: &Forge,
     forge_name: ForgeName,
+    webhook: &Webhook,
     net: &Network,
     git: &Git,
 ) -> Vec<(ForgeName, RepoAlias, RepoActor)> {
@@ -80,16 +81,18 @@ fn create_forge_repos(
     info!("Creating Forge");
     forge
         .repos()
-        .map(create_actor(forge_name, forge.clone(), net, git))
+        .map(create_actor(forge_name, forge.clone(), webhook, net, git))
         .collect::<Vec<_>>()
 }
 
 fn create_actor(
     forge_name: ForgeName,
     forge: config::Forge,
+    webhook: &Webhook,
     net: &Network,
     git: &Git,
 ) -> impl Fn((RepoAlias, &Repo)) -> (ForgeName, RepoAlias, RepoActor) {
+    let webhook = webhook.clone();
     let net = net.clone();
     let git = git.clone();
     move |(repo_name, repo)| {
@@ -98,6 +101,7 @@ fn create_actor(
         info!("Creating Repo");
         let actor = actors::repo::RepoActor::new(
             config::RepoDetails::new(&repo_name, repo, &forge_name, &forge),
+            webhook.clone(),
             net.clone(),
             git.clone(),
         );