diff --git a/src/index.rs b/src/index.rs
index d4e2e7f300..f032ea4c44 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -1486,22 +1486,6 @@ impl Index {
     self.client.get_raw_transaction(&txid, None).into_option()
   }
 
-  pub(crate) fn get_transaction_blockhash(&self, txid: Txid) -> Result<Option<BlockHash>> {
-    Ok(
-      self
-        .client
-        .get_raw_transaction_info(&txid, None)
-        .into_option()?
-        .and_then(|info| {
-          if info.in_active_chain.unwrap_or_default() {
-            info.blockhash
-          } else {
-            None
-          }
-        }),
-    )
-  }
-
   pub(crate) fn find(&self, sat: Sat) -> Result<Option<SatPoint>> {
     let sat = sat.0;
     let rtx = self.begin_read()?;
diff --git a/src/subcommand/server.rs b/src/subcommand/server.rs
index 30d7e8ac48..fc07835aa3 100644
--- a/src/subcommand/server.rs
+++ b/src/subcommand/server.rs
@@ -9,13 +9,13 @@ use {
   crate::{
     server_config::ServerConfig,
     templates::{
-      BlockHtml, BlockJson, BlocksHtml, ChildrenHtml, ChildrenJson, ClockSvg, CollectionsHtml,
-      HomeHtml, InputHtml, InscriptionHtml, InscriptionJson, InscriptionsBlockHtml,
-      InscriptionsHtml, InscriptionsJson, OutputHtml, OutputJson, PageContent, PageHtml,
-      PreviewAudioHtml, PreviewCodeHtml, PreviewFontHtml, PreviewImageHtml, PreviewMarkdownHtml,
-      PreviewModelHtml, PreviewPdfHtml, PreviewTextHtml, PreviewUnknownHtml, PreviewVideoHtml,
-      RangeHtml, RareTxt, RuneHtml, RuneJson, RunesHtml, RunesJson, SatHtml, SatInscriptionJson,
-      SatInscriptionsJson, SatJson, TransactionHtml,
+      BlockHtml, BlockJson, BlocksHtml, BlocksJson, ChildrenHtml, ChildrenJson, ClockSvg,
+      CollectionsHtml, HomeHtml, InputHtml, InscriptionHtml, InscriptionJson,
+      InscriptionsBlockHtml, InscriptionsHtml, InscriptionsJson, OutputHtml, OutputJson,
+      PageContent, PageHtml, PreviewAudioHtml, PreviewCodeHtml, PreviewFontHtml, PreviewImageHtml,
+      PreviewMarkdownHtml, PreviewModelHtml, PreviewPdfHtml, PreviewTextHtml, PreviewUnknownHtml,
+      PreviewVideoHtml, RangeHtml, RareTxt, RuneHtml, RuneJson, RunesHtml, RunesJson, SatHtml,
+      SatInscriptionJson, SatInscriptionsJson, SatJson, TransactionHtml, TransactionJson,
     },
   },
   axum::{
@@ -698,7 +698,8 @@ impl Server {
   async fn blocks(
     Extension(server_config): Extension<Arc<ServerConfig>>,
     Extension(index): Extension<Arc<Index>>,
-  ) -> ServerResult<PageHtml<BlocksHtml>> {
+    AcceptJson(accept_json): AcceptJson,
+  ) -> ServerResult<Response> {
     task::block_in_place(|| {
       let blocks = index.blocks(100)?;
       let mut featured_blocks = BTreeMap::new();
@@ -709,7 +710,13 @@ impl Server {
         featured_blocks.insert(*hash, inscriptions);
       }
 
-      Ok(BlocksHtml::new(blocks, featured_blocks).page(server_config))
+      Ok(if accept_json {
+        Json(BlocksJson::new(blocks, featured_blocks)).into_response()
+      } else {
+        BlocksHtml::new(blocks, featured_blocks)
+          .page(server_config)
+          .into_response()
+      })
     })
   }
 
@@ -774,7 +781,8 @@ impl Server {
     Extension(server_config): Extension<Arc<ServerConfig>>,
     Extension(index): Extension<Arc<Index>>,
     Path(txid): Path<Txid>,
-  ) -> ServerResult<PageHtml<TransactionHtml>> {
+    AcceptJson(accept_json): AcceptJson,
+  ) -> ServerResult<Response> {
     task::block_in_place(|| {
       let transaction = index
         .get_transaction(txid)?
@@ -782,19 +790,26 @@ impl Server {
 
       let inscription_count = index.inscription_count(txid)?;
 
-      let blockhash = index.get_transaction_blockhash(txid)?;
-
-      Ok(
+      Ok(if accept_json {
+        Json(TransactionJson {
+          chain: server_config.chain,
+          etching: index.get_etching(txid)?,
+          inscription_count,
+          transaction,
+          txid,
+        })
+        .into_response()
+      } else {
         TransactionHtml {
-          blockhash,
           transaction,
           txid,
           inscription_count,
           chain: server_config.chain,
           etching: index.get_etching(txid)?,
         }
-        .page(server_config),
-      )
+        .page(server_config)
+        .into_response()
+      })
     })
   }
 
diff --git a/src/templates.rs b/src/templates.rs
index 87fc226a78..f8dbf1e7ba 100644
--- a/src/templates.rs
+++ b/src/templates.rs
@@ -2,7 +2,7 @@ use {super::*, boilerplate::Boilerplate};
 
 pub(crate) use {
   block::{BlockHtml, BlockJson},
-  blocks::BlocksHtml,
+  blocks::{BlocksHtml, BlocksJson},
   children::{ChildrenHtml, ChildrenJson},
   clock::ClockSvg,
   collections::CollectionsHtml,
@@ -25,11 +25,11 @@ pub(crate) use {
   sat::{SatHtml, SatInscriptionJson, SatInscriptionsJson, SatJson},
   server_config::ServerConfig,
   status::StatusHtml,
-  transaction::TransactionHtml,
+  transaction::{TransactionHtml, TransactionJson},
 };
 
 pub mod block;
-mod blocks;
+pub mod blocks;
 mod children;
 mod clock;
 pub mod collections;
@@ -48,7 +48,7 @@ pub mod rune;
 pub mod runes;
 pub mod sat;
 pub mod status;
-mod transaction;
+pub mod transaction;
 
 #[derive(Boilerplate)]
 pub(crate) struct PageHtml<T: PageContent> {
diff --git a/src/templates/blocks.rs b/src/templates/blocks.rs
index 570b506c72..6a63b9e2d8 100644
--- a/src/templates/blocks.rs
+++ b/src/templates/blocks.rs
@@ -1,10 +1,12 @@
 use super::*;
 
-#[derive(Boilerplate)]
-pub(crate) struct BlocksHtml {
-  last: u32,
-  blocks: Vec<BlockHash>,
-  featured_blocks: BTreeMap<BlockHash, Vec<InscriptionId>>,
+pub type BlocksJson = BlocksHtml;
+
+#[derive(Boilerplate, Debug, PartialEq, Serialize, Deserialize)]
+pub struct BlocksHtml {
+  pub last: u32,
+  pub blocks: Vec<BlockHash>,
+  pub featured_blocks: BTreeMap<BlockHash, Vec<InscriptionId>>,
 }
 
 impl BlocksHtml {
diff --git a/src/templates/transaction.rs b/src/templates/transaction.rs
index 6bd269742c..a2f741bec3 100644
--- a/src/templates/transaction.rs
+++ b/src/templates/transaction.rs
@@ -1,13 +1,14 @@
 use super::*;
 
-#[derive(Boilerplate)]
-pub(crate) struct TransactionHtml {
-  pub(crate) blockhash: Option<BlockHash>,
-  pub(crate) chain: Chain,
-  pub(crate) etching: Option<SpacedRune>,
-  pub(crate) inscription_count: u32,
-  pub(crate) transaction: Transaction,
-  pub(crate) txid: Txid,
+pub type TransactionJson = TransactionHtml;
+
+#[derive(Boilerplate, Debug, PartialEq, Serialize, Deserialize)]
+pub struct TransactionHtml {
+  pub chain: Chain,
+  pub etching: Option<SpacedRune>,
+  pub inscription_count: u32,
+  pub transaction: Transaction,
+  pub txid: Txid,
 }
 
 impl PageContent for TransactionHtml {
@@ -47,7 +48,6 @@ mod tests {
 
     pretty_assert_eq!(
       TransactionHtml {
-        blockhash: None,
         chain: Chain::Mainnet,
         etching: None,
         inscription_count: 0,
@@ -89,44 +89,4 @@ mod tests {
       .unindent()
     );
   }
-
-  #[test]
-  fn with_blockhash() {
-    let transaction = Transaction {
-      version: 2,
-      lock_time: LockTime::ZERO,
-      input: Vec::new(),
-      output: vec![
-        TxOut {
-          value: 50 * COIN_VALUE,
-          script_pubkey: script::Builder::new().push_int(0).into_script(),
-        },
-        TxOut {
-          value: 50 * COIN_VALUE,
-          script_pubkey: script::Builder::new().push_int(1).into_script(),
-        },
-      ],
-    };
-
-    assert_regex_match!(
-      TransactionHtml {
-        blockhash: Some(blockhash(0)),
-        chain: Chain::Mainnet,
-        etching: None,
-        inscription_count: 0,
-        txid: transaction.txid(),
-        transaction,
-      }
-      .to_string(),
-      "
-        <h1>Transaction <span class=monospace>[[:xdigit:]]{64}</span></h1>
-        <dl>
-          <dt>block</dt>
-          <dd><a href=/block/0{64} class=monospace>0{64}</a></dd>
-        </dl>
-        .*
-      "
-      .unindent()
-    );
-  }
 }
diff --git a/src/test.rs b/src/test.rs
index d358b81bda..1abe8b19d9 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -35,16 +35,6 @@ macro_rules! assert_matches {
   }
 }
 
-pub(crate) fn blockhash(n: u64) -> BlockHash {
-  let hex = format!("{n:x}");
-
-  if hex.is_empty() || hex.len() > 1 {
-    panic!();
-  }
-
-  hex.repeat(64).parse().unwrap()
-}
-
 pub(crate) fn txid(n: u64) -> Txid {
   let hex = format!("{n:x}");
 
diff --git a/templates/transaction.html b/templates/transaction.html
index 0324f7aee8..d1e9cc29bf 100644
--- a/templates/transaction.html
+++ b/templates/transaction.html
@@ -8,10 +8,6 @@ <h2>Inscription Geneses</h2>
 </div>
 %% }
 <dl>
-%% if let Some(blockhash) = self.blockhash {
-  <dt>block</dt>
-  <dd><a href=/block/{{ blockhash }} class=monospace>{{ blockhash }}</a></dd>
-%% }
 %% if let Some(rune) = self.etching {
   <dt>etching</dt>
   <dd><a href=/rune/{{ rune }}>{{ rune }}</a></dd>
diff --git a/tests/json_api.rs b/tests/json_api.rs
index 7702646d38..353f949e2e 100644
--- a/tests/json_api.rs
+++ b/tests/json_api.rs
@@ -390,6 +390,64 @@ fn get_block() {
   );
 }
 
+#[test]
+fn get_blocks() {
+  let rpc_server = test_bitcoincore_rpc::spawn();
+
+  let blocks: Vec<BlockHash> = rpc_server
+    .mine_blocks(101)
+    .iter()
+    .rev()
+    .take(100)
+    .map(|block| block.block_hash())
+    .collect();
+
+  let response = TestServer::spawn_with_server_args(&rpc_server, &[], &["--enable-json-api"])
+    .json_request("/blocks");
+
+  assert_eq!(response.status(), StatusCode::OK);
+
+  let blocks_json: BlocksJson = serde_json::from_str(&response.text().unwrap()).unwrap();
+
+  pretty_assert_eq!(
+    blocks_json,
+    BlocksJson {
+      last: 101,
+      blocks: blocks.clone(),
+      featured_blocks: blocks
+        .into_iter()
+        .take(5)
+        .map(|block_hash| (block_hash, Vec::new()))
+        .collect(),
+    }
+  );
+}
+
+#[test]
+fn get_transaction() {
+  let rpc_server = test_bitcoincore_rpc::spawn();
+
+  let transaction = rpc_server.mine_blocks(1)[0].txdata[0].clone();
+
+  let txid = transaction.txid();
+
+  let response = TestServer::spawn_with_server_args(&rpc_server, &[], &["--enable-json-api"])
+    .json_request(format!("/tx/{txid}"));
+
+  assert_eq!(response.status(), StatusCode::OK);
+
+  assert_eq!(
+    serde_json::from_str::<TransactionJson>(&response.text().unwrap()).unwrap(),
+    TransactionJson {
+      chain: Chain::Mainnet,
+      etching: None,
+      inscription_count: 0,
+      transaction,
+      txid,
+    }
+  );
+}
+
 #[test]
 fn get_status() {
   let rpc_server = test_bitcoincore_rpc::builder()
diff --git a/tests/lib.rs b/tests/lib.rs
index 5037851cca..96e788456d 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -14,8 +14,9 @@ use {
     rarity::Rarity,
     subcommand::runes::RuneInfo,
     templates::{
-      block::BlockJson, inscription::InscriptionJson, inscriptions::InscriptionsJson,
-      output::OutputJson, rune::RuneJson, runes::RunesJson, sat::SatJson, status::StatusHtml,
+      block::BlockJson, blocks::BlocksJson, inscription::InscriptionJson,
+      inscriptions::InscriptionsJson, output::OutputJson, rune::RuneJson, runes::RunesJson,
+      sat::SatJson, status::StatusHtml, transaction::TransactionJson,
     },
     Edict, InscriptionId, Rune, RuneEntry, RuneId, Runestone, SatPoint,
   },