diff --git a/README.md b/README.md
index 64a3898..d52116c 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,9 @@ Table of Contents
 * [Usage](#usage)
 * [Stdout/Stderr Mocking](#stdoutstderr-mocking)
 * [Environment Variables](#environment-variables)
+* [Nock](#nock)
 * [Run](#run)
+* [Mock](#mock)
 * [Catch](#catch)
 * [Chai](#chai)
 * [Chaining](#chaining)
@@ -79,6 +81,29 @@ describe('stdmock tests', () => {
 })
 ```
 
+Nock
+----
+
+(not to be confused with [mock](#mock))
+
+Uses [nock](https://github.com/node-nock/nock) to mock out HTTP calls to external APIs.
+Automatically calls `done()` to ensure the calls were made and `cleanAll()` to remove any pending requests.
+
+```js
+describe('nock tests', () => {
+  fancy()
+  .nock('https://api.github.com', nock => {
+    nock
+    .get('/me')
+    .reply(200, {name: 'jdxcode'})
+  })
+  .it('mocks http call to github', async () => {
+    const {body: user} = await HTTP.get('https://api.github.com/me')
+    expect(user).to.have.property('name', 'jdxcode')
+  })
+})
+```
+
 Environment Variables
 ---------------------
 
@@ -127,6 +152,31 @@ describe('run', () => {
 })
 ```
 
+Mock
+----
+
+(not to be confused with [nock](#nock))
+
+Mock any object. Like all fancy plugins, it ensures that it is reset to normal after the test runs.
+```js
+import * as os from 'os'
+
+describe('mock tests', () => {
+  fancy()
+  .mock(os, 'platform', () => 'foobar')
+  .it('sets os', () => {
+    expect(os.platform()).to.equal('foobar')
+  })
+
+  fancy()
+  .mock(os, 'platform', sinon.stub().returns('foobar'))
+  .it('uses sinon', () => {
+    expect(os.platform()).to.equal('foobar')
+    expect(os.platform.called).to.equal(true)
+  })
+})
+```
+
 Catch
 -----
 
diff --git a/package.json b/package.json
index dd08eb6..a47e910 100644
--- a/package.json
+++ b/package.json
@@ -19,11 +19,13 @@
     "@types/mocha": "^2.2.47",
     "@types/nock": "^9.1.2",
     "@types/node": "^9.3.0",
+    "@types/sinon": "^4.1.3",
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",
     "chalk": "^2.3.0",
     "eslint": "^4.16.0",
     "eslint-config-dxcli": "^1.1.4",
+    "http-call": "^5.0.2",
     "husky": "^0.14.3",
     "mocha": "^5.0.0",
     "mocha-junit-reporter": "^1.16.0",
@@ -31,6 +33,7 @@
     "nps": "^5.7.1",
     "nps-utils": "^1.5.0",
     "nyc": "^11.4.1",
+    "sinon": "^4.2.1",
     "ts-node": "^4.1.0",
     "typescript": "^2.6.2"
   },
diff --git a/src/base.ts b/src/base.ts
index 267fd58..4f115d6 100644
--- a/src/base.ts
+++ b/src/base.ts
@@ -41,7 +41,7 @@ const fancy = <I extends object, T extends Plugins>(plugins: any, chain: Chain =
         ctx = assignWithProps({}, ctx, extra)
         const [next, args] = chain.shift() || [null, null]
         if (next) return next(run, ctx, ...args as any[])
-        if (callback) callback.call(this, ctx)
+        if (callback) return callback.call(this, ctx)
       }
       await run()
     })
diff --git a/src/index.ts b/src/index.ts
index d6fb9c3..6778839 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,14 +2,16 @@ import base, {Base, Fancy, Next, Plugin} from './base'
 import _catch, {CatchOptions} from './catch'
 import env, {EnvOptions} from './env'
 import mock from './mock'
+import nock, {NockHosts} from './nock'
 import {stderr, StdmockOptions, stdout} from './stdmock'
 
 export const fancy = base
-.register('stdout', stdout)
-.register('stderr', stderr)
-.register('mock', mock)
-.register('env', env)
 .register('catch', _catch)
+.register('env', env)
+.register('mock', mock)
+.register('nock', nock)
+.register('stderr', stderr)
+.register('stdout', stdout)
 
 export {
   Base,
@@ -18,6 +20,7 @@ export {
   Next,
   CatchOptions,
   EnvOptions,
+  NockHosts,
   StdmockOptions,
 }
 export default fancy
diff --git a/src/nock.ts b/src/nock.ts
new file mode 100644
index 0000000..473d573
--- /dev/null
+++ b/src/nock.ts
@@ -0,0 +1,16 @@
+import * as Nock from 'nock'
+
+import {Next} from './base'
+
+export interface NockHosts {[host: string]: Nock.Scope}
+
+export type NockCallback = (nock: Nock.Scope) => any
+
+export default async (next: Next<{nock: NockHosts}>, ctx: any, host: string, cb: NockCallback) => {
+  const hosts: NockHosts = ctx.nock || {}
+  const nock: typeof Nock = require('nock')
+  const api = hosts[host] || nock(host)
+  await cb(api)
+  await next({nock: hosts})
+  api.done()
+}
diff --git a/test/mock.test.ts b/test/mock.test.ts
index af2ecba..43e4d31 100644
--- a/test/mock.test.ts
+++ b/test/mock.test.ts
@@ -1,19 +1,27 @@
 // tslint:disable no-console
 
-import * as os from 'os'
+import * as sinon from 'sinon'
 
 import {expect, fancy} from '../src'
 
+const os = require('os')
 const platform = os.platform()
 
 describe('mock', () => {
+  // from readme
   fancy()
   .mock(os, 'platform', () => 'foobar')
-  .stdout()
-  .it('sets os', output => {
-    console.log(os.platform())
-    expect(output.stdout).to.equal('foobar\n')
+  .it('sets os', () => {
+    expect(os.platform()).to.equal('foobar')
+  })
+
+  fancy()
+  .mock(os, 'platform', sinon.stub().returns('foobar'))
+  .it('uses sinon', () => {
+    expect(os.platform()).to.equal('foobar')
+    expect(os.platform.called).to.equal(true)
   })
+  // from readme
 
   fancy()
   .stdout()
diff --git a/test/nock.test.ts b/test/nock.test.ts
new file mode 100644
index 0000000..a30bb17
--- /dev/null
+++ b/test/nock.test.ts
@@ -0,0 +1,27 @@
+import HTTP from 'http-call'
+
+import {expect, fancy} from '../src'
+
+describe('nock', () => {
+  // from readme
+  fancy()
+  .nock('https://api.github.com', nock => {
+    nock
+    .get('/me')
+    .reply(200, {name: 'jdxcode'})
+  })
+  .it('mocks http call to github', async () => {
+    const {body: user} = await HTTP.get('https://api.github.com/me')
+    expect(user).to.have.property('name', 'jdxcode')
+  })
+  // from readme
+
+  fancy()
+  .catch('Mocks not yet satisfied:\nGET https://api.github.com:443/me')
+  .nock('https://api.github.com', nock => {
+    nock
+    .get('/me')
+    .reply(200, {name: 'jdxcode'})
+  })
+  .it('calls .done()')
+})
diff --git a/yarn.lock b/yarn.lock
index 1503214..ac41c59 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -275,6 +275,10 @@
   version "9.3.0"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-9.3.0.tgz#3a129cda7c4e5df2409702626892cb4b96546dd5"
 
+"@types/sinon@^4.1.3":
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/@types/sinon/-/sinon-4.1.3.tgz#2ee25e0e302f31e78a945650a60029e08878eaf8"
+
 "@types/strip-bom@^3.0.0":
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/@types/strip-bom/-/strip-bom-3.0.0.tgz#14a8ec3956c2e81edb7520790aecf21c290aebd2"
@@ -985,6 +989,10 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
 
+content-type@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+
 conventional-changelog-angular@^1.3.3, conventional-changelog-angular@^1.4.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/conventional-changelog-angular/-/conventional-changelog-angular-1.6.0.tgz#0a26a071f2c9fcfcf2b86ba0cfbf6e6301b75bfa"
@@ -1757,6 +1765,12 @@ form-data@~2.3.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
+formatio@1.2.0, formatio@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/formatio/-/formatio-1.2.0.tgz#f3b2167d9068c4698a8d51f4f760a39a54d818eb"
+  dependencies:
+    samsam "1.x"
+
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -2094,6 +2108,17 @@ hosted-git-info@^2.1.4, hosted-git-info@^2.4.2:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
 
+http-call@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/http-call/-/http-call-5.0.2.tgz#21bec3655f1631de128c0cdaa470777b1fbbc365"
+  dependencies:
+    content-type "^1.0.4"
+    debug "^3.1.0"
+    is-retry-allowed "^1.1.0"
+    is-stream "^1.1.0"
+    tslib "^1.8.1"
+    tunnel-agent "^0.6.0"
+
 http-signature@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
@@ -2397,6 +2422,10 @@ is-resolvable@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.1.tgz#acca1cd36dbe44b974b924321555a70ba03b1cf4"
 
+is-retry-allowed@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
+
 is-ssh@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/is-ssh/-/is-ssh-1.3.0.tgz#ebea1169a2614da392a63740366c3ce049d8dff6"
@@ -2574,6 +2603,10 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+just-extend@^1.1.26:
+  version "1.1.27"
+  resolved "https://registry.yarnpkg.com/just-extend/-/just-extend-1.1.27.tgz#ec6e79410ff914e472652abfa0e603c03d60e905"
+
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -2743,6 +2776,14 @@ lodash@^4.0.0, lodash@^4.17.4, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.5.1, loda
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lolex@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/lolex/-/lolex-1.6.0.tgz#3a9a0283452a47d7439e72731b9e07d7386e49f6"
+
+lolex@^2.2.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/lolex/-/lolex-2.3.1.tgz#3d2319894471ea0950ef64692ead2a5318cff362"
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -3015,6 +3056,16 @@ nested-error-stacks@^1.0.0, nested-error-stacks@^1.0.1:
   dependencies:
     inherits "~2.0.1"
 
+nise@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/nise/-/nise-1.2.0.tgz#079d6cadbbcb12ba30e38f1c999f36ad4d6baa53"
+  dependencies:
+    formatio "^1.2.0"
+    just-extend "^1.1.26"
+    lolex "^1.6.0"
+    path-to-regexp "^1.7.0"
+    text-encoding "^0.6.4"
+
 nock@^9.1.6:
   version "9.1.6"
   resolved "https://registry.yarnpkg.com/nock/-/nock-9.1.6.tgz#16395af4c45b0fd84d1a4a9668154e16fa6624db"
@@ -3398,6 +3449,12 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
+path-to-regexp@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-1.7.0.tgz#59fde0f435badacba103a84e9d3bc64e96b9937d"
+  dependencies:
+    isarray "0.0.1"
+
 path-type@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
@@ -3825,6 +3882,10 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0,
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+samsam@1.x:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.3.0.tgz#8d1d9350e25622da30de3e44ba692b5221ab7c50"
+
 semantic-release@^12.2.2:
   version "12.2.2"
   resolved "https://registry.yarnpkg.com/semantic-release/-/semantic-release-12.2.2.tgz#6f114c2e2cb55040b78f985e11b0aa7d8d2ee111"
@@ -3912,6 +3973,18 @@ signal-exit@^3.0.0, signal-exit@^3.0.1, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
+sinon@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-4.2.1.tgz#3664e90ea4bccec6ebde3c06e3da8179983371d9"
+  dependencies:
+    diff "^3.1.0"
+    formatio "1.2.0"
+    lodash.get "^4.4.2"
+    lolex "^2.2.0"
+    nise "^1.2.0"
+    supports-color "^5.1.0"
+    type-detect "^4.0.5"
+
 slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
@@ -4232,6 +4305,12 @@ supports-color@^4.0.0:
   dependencies:
     has-flag "^2.0.0"
 
+supports-color@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.1.0.tgz#058a021d1b619f7ddf3980d712ea3590ce7de3d5"
+  dependencies:
+    has-flag "^2.0.0"
+
 table@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
@@ -4264,6 +4343,10 @@ test-exclude@^4.1.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
+text-encoding@^0.6.4:
+  version "0.6.4"
+  resolved "https://registry.yarnpkg.com/text-encoding/-/text-encoding-0.6.4.tgz#e399a982257a276dae428bb92845cb71bdc26d19"
+
 text-extensions@^1.0.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/text-extensions/-/text-extensions-1.7.0.tgz#faaaba2625ed746d568a23e4d0aacd9bf08a8b39"
@@ -4454,7 +4537,7 @@ type-detect@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
 
-type-detect@^4.0.0, type-detect@^4.0.3:
+type-detect@^4.0.0, type-detect@^4.0.3, type-detect@^4.0.5:
   version "4.0.7"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.7.tgz#862bd2cf6058ad92799ff5a5b8cf7b6cec726198"