diff --git a/api/controllers/blocks.js b/api/controllers/blocks.js
new file mode 100644
index 00000000..f43ab0b2
--- /dev/null
+++ b/api/controllers/blocks.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var bitcore = require('bitcore');
+var Block = bitcore.Block;
+
+// mocks
+var genesishex = '0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a29ab5f49ffff001d1dac2b7c0101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4d04ffff001d0104455468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73ffffffff0100f2052a01000000434104678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5fac00000000';
+var genesisbuf = new Buffer(genesishex, 'hex');
+var mockBlock = new Block(genesisbuf);
+
+function Blocks() {}
+
+
+// params
+Blocks.blockHashParam = function(req, res, next, blockHash) {
+  blockHash.toString(); // TODO: fetch block from service
+  req.block = mockBlock;
+  next();
+};
+
+
+Blocks.getBlock = function(req, res) {
+  res.send(req.block.toObject());
+};
+Blocks.getBlockError = function(req, res) {
+  res.status(422);
+  res.send('blockHash parameter must be a 64 digit hex');
+};
+
+module.exports = Blocks;
diff --git a/api/routes/v1.js b/api/routes/v1.js
index dec035bb..f5c925e3 100644
--- a/api/routes/v1.js
+++ b/api/routes/v1.js
@@ -1,6 +1,8 @@
 'use strict';
 
 var express = require('express');
+var Blocks = require('../controllers/blocks');
+
 
 function initRouter(node) {
   var router = express.Router();
@@ -9,23 +11,27 @@ function initRouter(node) {
     res.send({'message': 'This is a mocked response'});
   }
 
+  // parameter middleware
+  router.param('blockHash', Blocks.blockHashParam);
+
   // Node routes
   router.get('/node', mockResponse);
 
   // Block routes
   router.get('/blocks', mockResponse);
   router.get('/blocks/latest', mockResponse);
-  router.get('/blocks/:blockHash', mockResponse);
-  router.get('/blocks/:height', mockResponse);
+  router.get('/blocks/:blockHash([A-Fa-f0-9]{64})', Blocks.getBlock);
+  router.get('/blocks/*', Blocks.getBlockError);
+  router.get('/blocks/:height([0-9]+)', mockResponse);
   router.get('/blocks/:blockHash/transactions/:txIndex', mockResponse);
 
   // Transaction routes
   router.get('/transactions', mockResponse);
   router.get('/transactions/:txHash', mockResponse);
-  router.post('/transactions/send', mockResponse);
   router.get('/transactions/:txHash/addresses', mockResponse);
   router.get('/transactions/:txHash/outputs/addresses', mockResponse);
   router.get('/transactions/:txHash/inputs/addresses', mockResponse);
+  router.post('/transactions/send', mockResponse);
 
   // Input routes
   router.get('/transactions/:txHash/inputs', mockResponse);
diff --git a/api/test/routes.js b/api/test/routes.js
index 70d987aa..a489476f 100644
--- a/api/test/routes.js
+++ b/api/test/routes.js
@@ -29,12 +29,5 @@ describe('BitcoreHTTP routes', function() {
       .expect(200)
       .expect('bitcore-node API', cb);
   });
-  it('blocks', function(cb) {
-    agent.get('/v1/blocks/')
-      .expect(200)
-      .expect({
-        'message': 'This is a mocked response'
-      }, cb);
-  });
 
 });
diff --git a/api/test/v1/blocks.js b/api/test/v1/blocks.js
new file mode 100644
index 00000000..006c10cf
--- /dev/null
+++ b/api/test/v1/blocks.js
@@ -0,0 +1,45 @@
+'use strict';
+
+var chai = require('chai');
+var should = chai.should();
+var request = require('supertest');
+
+var EventEmitter = require('eventemitter2').EventEmitter2;
+
+var BitcoreHTTP = require('../../lib/http');
+
+describe('BitcoreHTTP v1 blocks routes', function() {
+
+  // mocks
+  var nodeMock, app, agent;
+  beforeEach(function() {
+    var opts = {
+      port: 1234
+    };
+    nodeMock = new EventEmitter();
+    app = new BitcoreHTTP(nodeMock, opts).app;
+    agent = request(app);
+  });
+  describe('/blocks', function() {
+    it('works with default parameters', function(cb) {
+      agent.get('/v1/blocks/')
+        .expect(200)
+        .expect({
+          'message': 'This is a mocked response'
+        }, cb);
+    });
+  });
+  describe('/blocks/:blockHash', function() {
+    it('fails with invalid blockHash', function(cb) {
+      agent.get('/v1/blocks/abad1dea')
+        .expect(422)
+        .expect('blockHash parameter must be a 64 digit hex', cb);
+    });
+    it('works with valid blockHash', function(cb) {
+      agent.get('/v1/blocks/000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f')
+        .expect(200)
+        .expect('{"header":{"version":1,"prevHash":"0000000000000000000000000000000000000000000000000000000000000000","merkleRoot":"3ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a","time":1231006505,"bits":486604799,"nonce":2083236893},"transactions":[{"version":1,"inputs":[{"prevTxId":"0000000000000000000000000000000000000000000000000000000000000000","outputIndex":4294967295,"sequenceNumber":4294967295,"script":"4 0xffff001d 1 0x04 69 0x5468652054696d65732030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73"}],"outputs":[{"satoshis":5000000000,"script":"65 0x04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f OP_CHECKSIG"}],"nLockTime":0}]}', cb);
+    });
+  });
+
+});