diff --git a/API/block/README.md b/API/block/README.md
index bdb3f1d89..0f8452e33 100644
--- a/API/block/README.md
+++ b/API/block/README.md
@@ -61,8 +61,8 @@ If no `callback` is passed, a promise is returned.
 
 ```JavaScript
 {
-  Key: 'QmPTkMuuL6PD8L2SwTwbcs1NPg14U8mRzerB1ZrrBrkSDD',
-  Size: 10
+  key: 'QmPTkMuuL6PD8L2SwTwbcs1NPg14U8mRzerB1ZrrBrkSDD',
+  size: 10
 }
 ```
 
diff --git a/package.json b/package.json
index a5963aa2c..bf91788a0 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,9 @@
     "chai": "^3.5.0",
     "concat-stream": "^1.5.1",
     "detect-node": "^2.0.3",
+    "ipfs-block": "^0.3.0",
     "ipfs-merkle-dag": "^0.6.2",
+    "multihashes": "^0.2.2",
     "readable-stream": "1.1.13",
     "run-series": "^1.1.4"
   },
@@ -48,4 +50,4 @@
     "greenkeeperio-bot <support@greenkeeper.io>",
     "nginnever <ginneversource@gmail.com>"
   ]
-}
\ No newline at end of file
+}
diff --git a/src/block.js b/src/block.js
index 39bb682cc..7512bb012 100644
--- a/src/block.js
+++ b/src/block.js
@@ -4,6 +4,8 @@
 'use strict'
 
 const expect = require('chai').expect
+const Block = require('ipfs-block')
+const multihash = require('multihashes')
 
 module.exports = (common) => {
   describe('.block', () => {
@@ -30,13 +32,26 @@ module.exports = (common) => {
     })
 
     describe('callback API', () => {
-      it('.put', (done) => {
+      it('.put a buffer', (done) => {
         const expectedHash = 'QmPv52ekjS75L4JmHpXVeuJ5uX2ecSfSZo88NSyxwA3rAQ'
         const blob = Buffer('blorb')
 
-        ipfs.block.put(blob, (err, res) => {
+        ipfs.block.put(blob, (err, block) => {
           expect(err).to.not.exist
-          expect(res).to.have.a.property('Key', expectedHash)
+          expect(block.key).to.eql(multihash.fromB58String(expectedHash))
+          expect(block).to.have.a.property('data', blob)
+          done()
+        })
+      })
+
+      it('.put a block', (done) => {
+        const expectedHash = 'QmPv52ekjS75L4JmHpXVeuJ5uX2ecSfSZo88NSyxwA3rAQ'
+        const blob = new Block(new Buffer('blorb'))
+
+        ipfs.block.put(blob, (err, block) => {
+          expect(err).to.not.exist
+          expect(block.key).to.eql(multihash.fromB58String(expectedHash))
+          expect(block.data).to.eql(new Buffer('blorb'))
           done()
         })
       })
@@ -52,30 +67,26 @@ module.exports = (common) => {
       it('block.get', (done) => {
         const hash = 'QmPv52ekjS75L4JmHpXVeuJ5uX2ecSfSZo88NSyxwA3rAQ'
 
-        ipfs.block.get(hash, (err, res) => {
+        ipfs.block.get(hash, (err, block) => {
           expect(err).to.not.exist
-
-          // TODO review this
-          let buf = ''
-          res
-            .on('data', function (data) { buf += data })
-            .on('end', function () {
-              expect(buf).to.be.equal('blorb')
-              done()
-            })
+          expect(block.key).to.eql(multihash.fromB58String(hash))
+          expect(block.data).to.eql(new Buffer('blorb'))
+          done()
         })
       })
 
       it('block.stat', (done) => {
         const hash = 'QmPv52ekjS75L4JmHpXVeuJ5uX2ecSfSZo88NSyxwA3rAQ'
 
-        ipfs.block.stat(hash, (err, res) => {
+        ipfs.block.stat(hash, (err, stats) => {
           expect(err).to.not.exist
-          expect(res).to.have.property('Key')
-          expect(res).to.have.property('Size')
+          expect(stats).to.have.property('key')
+          expect(stats).to.have.property('size')
           done()
         })
       })
+
+      it.skip('block.rm', (done) => {}) // TODO once block.rm is shipped in go-ipfs
     })
 
     describe('promise API', () => {