diff --git a/AGENTS.md b/AGENTS.md
index 612771f..3601035 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -5,7 +5,7 @@ Rust CLI (`amendable`) for the Amendable API.
 ## Product facts (do not invent others)
 
 - Site + Git HTTPS: `https://amendable.io`
-- API: `https://api.amendable.io` header `access-token`
+- API: `https://api.amendable.io` header `Authorization: Bearer`
 - Clone: `https://amendable.io/r/<username>/<repo>.git`
 - Git password is the access token. There is no SSH.
 - Command name is `amendable`. Package name is `amendable-cli`.
diff --git a/src/client.rs b/src/client.rs
index 0c3eb2d..f5c8952 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -32,8 +32,8 @@ impl Client {
         if auth {
             let token = self.token.as_deref().ok_or(Error::NotLoggedIn)?;
             headers.insert(
-                "access-token",
-                reqwest::header::HeaderValue::from_str(token)
+                reqwest::header::AUTHORIZATION,
+                reqwest::header::HeaderValue::from_str(&format!("Bearer {token}"))
                     .map_err(|err| Error::message(err.to_string()))?,
             );
         }
diff --git a/tests/common/mod.rs b/tests/common/mod.rs
index 2971e14..bcda469 100644
--- a/tests/common/mod.rs
+++ b/tests/common/mod.rs
@@ -107,7 +107,7 @@ fn handle(state: &Arc<Mutex<MockState>>, mut request: Request) {
     let url = request.url().to_string();
     let (path, query) = split_url(&url);
     let method = request.method().clone();
-    let token = header_value(&request, "access-token");
+    let token = bearer_token(&request);
     let body = read_json(&mut request);
 
     let response = match method {
@@ -363,6 +363,20 @@ fn header_value(request: &Request, name: &str) -> Option<String> {
     })
 }
 
+fn bearer_token(request: &Request) -> Option<String> {
+    let value = header_value(request, "authorization")?;
+    let (scheme, credentials) = value.split_once(' ')?;
+    if !scheme.eq_ignore_ascii_case("bearer") {
+        return None;
+    }
+    let token = credentials.trim();
+    if token.is_empty() {
+        None
+    } else {
+        Some(token.to_string())
+    }
+}
+
 fn read_json(request: &mut Request) -> Value {
     let mut buf = String::new();
     let _ = std::io::Read::read_to_string(request.as_reader(), &mut buf);