diff --git a/src/trello/client.rs b/src/trello/client.rs
index 34a4984..bbe4ecc 100644
--- a/src/trello/client.rs
+++ b/src/trello/client.rs
@@ -35,19 +35,14 @@ impl<'ctx> TrelloClient<'ctx> {
         let api_secret = &self.ctx.cfg.trello.api_secret;
         HashMap::from([(
             s!("Authorization"),
-            f!(r#"OAuth oauth_consumer_key="{api_key}", oauth_token="{api_secret}""#,),
+            f!(r#"OAuth oauth_consumer_key="{api_key}", oauth_token="{api_secret}""#),
         )])
     }
+
     fn common_headers(&self) -> HashMap<String, String> {
-        let api_key = &self.ctx.cfg.trello.api_key;
-        let api_secret = &self.ctx.cfg.trello.api_secret;
         HashMap::from([
-            (s!("accept"), s!("application/json")),
             (s!("content-type"), s!("application/json")),
-            (
-                s!("Authorization"),
-                f!(r#"OAuth oauth_consumer_key="{api_key}", oauth_token="{api_secret}""#,),
-            ),
+            (s!("accept"), s!("application/json")),
         ])
     }
 
@@ -61,6 +56,7 @@ impl<'ctx> TrelloClient<'ctx> {
             with_exponential_backoff!(
                 &self.ctx,
                 custom(&self.ctx.net, self.url(url.clone()))
+                    .headers(self.auth_headers())
                     .headers(self.common_headers())
                     .send()
                     .await
@@ -90,6 +86,7 @@ impl<'ctx> TrelloClient<'ctx> {
                 .net
                 .get(url.clone())
                 .headers(self.auth_headers())
+                .header("content-type", "application/json")
                 .header("accept", "application/octet")
                 .send()
                 .await
@@ -123,14 +120,18 @@ impl<'ctx> TrelloClient<'ctx> {
 impl<'ctx> TrelloClient<'ctx> {
     // https://developer.atlassian.com/cloud/trello/rest/api-group-members/#api-members-id-boards-get
     pub(crate) async fn boards(&self) -> APIResult<Vec<TrelloBoard>> {
-        self.request("/members/me/boards?lists=open", |net, url| net.get(url))
-            .await
+        self.request("/members/me/boards", |net, url| {
+            net.get(url).query("lists", "open")
+        })
+        .await
     }
 
     // https://developer.atlassian.com/cloud/trello/rest/api-group-boards/#api-boards-id-get
     pub(crate) async fn board(&self, board_id: &TrelloBoardId) -> APIResult<TrelloBoard> {
-        self.request(f!("/boards/{board_id}?lists=open"), |net, url| net.get(url))
-            .await
+        self.request(f!("/boards/{board_id}"), |net, url| {
+            net.get(url).query("lists", "open")
+        })
+        .await
     }
 
     // https://developer.atlassian.com/cloud/trello/rest/api-group-lists/#api-lists-id-cards-get