diff --git a/index.js b/index.js
index 7ffde3216..f98122e93 100755
--- a/index.js
+++ b/index.js
@@ -11,17 +11,16 @@ const glob = require('glob')
 const Hash = require('./lib/hash')
 const libCoverage = require('istanbul-lib-coverage')
 const libHook = require('istanbul-lib-hook')
-const libReport = require('istanbul-lib-report')
 const mkdirp = require('make-dir')
 const Module = require('module')
 const onExit = require('signal-exit')
 const path = require('path')
-const reports = require('istanbul-reports')
 const resolveFrom = require('resolve-from')
 const rimraf = require('rimraf')
 const SourceMaps = require('./lib/source-maps')
 const testExclude = require('test-exclude')
 const uuid = require('uuid/v4')
+const api = require('istanbul-api')
 
 const debugLog = util.debuglog('nyc')
 
@@ -90,6 +89,12 @@ function NYC (config) {
   this.rootId = this.processInfo.root || this.generateUniqueID()
 
   this.hashCache = {}
+
+  this.config.reporting = config.reporting || {}
+  this.config.reporting['dir'] = this.reportDirectory()
+  this.config.reporting['report-config'] = this._reportConfig()
+  this.config.reporting['summarizer'] = this._reportSummarizer()
+  this.config.reporting['watermarks'] = this._reportWatermarks()
 }
 
 NYC.prototype._createTransform = function (ext) {
@@ -441,21 +446,12 @@ NYC.prototype.getCoverageMapFromAllCoverageFiles = function (baseDirectory) {
 }
 
 NYC.prototype.report = function () {
-  var tree
-  var map = this.getCoverageMapFromAllCoverageFiles()
-  var context = libReport.createContext({
-    dir: this.reportDirectory(),
-    watermarks: this.config.watermarks
-  })
+  const config = api.config.loadObject(this.config)
+  const reporter = api.createReporter(config)
+  const map = this.getCoverageMapFromAllCoverageFiles()
 
-  tree = libReport.summarizers.pkg(map)
-
-  this.reporter.forEach((_reporter) => {
-    tree.visit(reports.create(_reporter, {
-      skipEmpty: this.config.skipEmpty,
-      skipFull: this.config.skipFull
-    }), context)
-  })
+  reporter.addAll(this.reporter)
+  reporter.write(map)
 
   if (this._showProcessTree) {
     this.showProcessTree()
@@ -566,4 +562,25 @@ NYC.prototype.processInfoDirectory = function () {
   return path.resolve(this.tempDirectory(), 'processinfo')
 }
 
+NYC.prototype._reportConfig = function () {
+  const config = {}
+
+  this.reporter.forEach(_reporter => {
+    config[_reporter] = {
+      skipEmpty: this.config.skipEmpty,
+      skipFull: this.config.skipFull
+    }
+  })
+
+  return config
+}
+
+NYC.prototype._reportSummarizer = function () {
+  return 'pkg'
+}
+
+NYC.prototype._reportWatermarks = function () {
+  return this.config.watermarks
+}
+
 module.exports = NYC
diff --git a/package-lock.json b/package-lock.json
index f35957e52..10f0767a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -189,7 +189,6 @@
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
       "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
-      "dev": true,
       "requires": {
         "sprintf-js": "~1.0.2"
       }
@@ -244,7 +243,7 @@
     },
     "ast-types": {
       "version": "0.8.15",
-      "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.8.15.tgz",
+      "resolved": "http://registry.npmjs.org/ast-types/-/ast-types-0.8.15.tgz",
       "integrity": "sha1-ju8IJ/BN/w7IhXupJavj/qYZTlI=",
       "dev": true
     },
@@ -299,7 +298,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -318,7 +317,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -948,6 +947,11 @@
         "dot-prop": "^3.0.0"
       }
     },
+    "compare-versions": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/compare-versions/-/compare-versions-3.4.0.tgz",
+      "integrity": "sha512-tK69D7oNXXqUW3ZNo/z7NXTEz22TCF0pTE+YF9cxvaAM9XnkLo1fV621xCLrRR6aevJlKxExkss0vWqUCUpqdg=="
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -1051,7 +1055,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -1285,7 +1289,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -1322,7 +1326,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -1448,7 +1452,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -2163,8 +2167,7 @@
     "esprima": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
-      "dev": true
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
     "esquery": {
       "version": "1.0.1",
@@ -2237,7 +2240,7 @@
     },
     "external-editor": {
       "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
+      "resolved": "http://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
       "integrity": "sha512-bSn6gvGxKt+b7+6TKEv1ZycHleA7aHhRHyAqJyp5pbUFuYYNIzpZnQDk7AsYckyWdEnTeAnay0aCy2aV6iTk9A==",
       "dev": true,
       "requires": {
@@ -2289,6 +2292,15 @@
         "object-assign": "^4.0.1"
       }
     },
+    "fileset": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/fileset/-/fileset-2.0.3.tgz",
+      "integrity": "sha1-jnVIqW08wjJ+5eZ0FocjozO7oqA=",
+      "requires": {
+        "glob": "^7.0.3",
+        "minimatch": "^3.0.3"
+      }
+    },
     "find-cache-dir": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-2.0.0.tgz",
@@ -2327,7 +2339,7 @@
     },
     "foreground-child": {
       "version": "1.5.6",
-      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-1.5.6.tgz",
+      "resolved": "http://registry.npmjs.org/foreground-child/-/foreground-child-1.5.6.tgz",
       "integrity": "sha1-T9ca0t/elnibmApcCilZN8svXOk=",
       "requires": {
         "cross-spawn": "^4",
@@ -2460,7 +2472,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -2497,7 +2509,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -2869,7 +2881,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -2882,13 +2894,13 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -2934,6 +2946,14 @@
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
       "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0="
     },
+    "is-builtin-module": {
+      "version": "1.0.0",
+      "resolved": "http://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz",
+      "integrity": "sha1-VAVy0096wxGfj3bDDLwbHgN6/74=",
+      "requires": {
+        "builtin-modules": "^1.0.0"
+      }
+    },
     "is-callable": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
@@ -2962,7 +2982,7 @@
     },
     "is-obj": {
       "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz",
+      "resolved": "http://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz",
       "integrity": "sha1-PkcprB9f3gJc19g6iW2rn09n2w8=",
       "dev": true
     },
@@ -3057,6 +3077,26 @@
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
       "dev": true
     },
+    "istanbul-api": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/istanbul-api/-/istanbul-api-2.1.0.tgz",
+      "integrity": "sha512-+Ygg4t1StoiNlBGc6x0f8q/Bv26FbZqP/+jegzfNpU7Q8o+4ZRoJxJPhBkgE/UonpAjtxnE4zCZIyJX+MwLRMQ==",
+      "requires": {
+        "async": "^2.6.1",
+        "compare-versions": "^3.2.1",
+        "fileset": "^2.0.3",
+        "istanbul-lib-coverage": "^2.0.3",
+        "istanbul-lib-hook": "^2.0.3",
+        "istanbul-lib-instrument": "^3.1.0",
+        "istanbul-lib-report": "^2.0.4",
+        "istanbul-lib-source-maps": "^3.0.2",
+        "istanbul-reports": "^2.1.0",
+        "js-yaml": "^3.12.0",
+        "make-dir": "^1.3.0",
+        "minimatch": "^3.0.4",
+        "once": "^1.4.0"
+      }
+    },
     "istanbul-lib-coverage": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.3.tgz",
@@ -3140,7 +3180,6 @@
       "version": "3.12.1",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.1.tgz",
       "integrity": "sha512-um46hB9wNOKlwkHgiuyEVAybXBjwFUV0Z/RaHJblRd9DXltue9FTYvzCr9ErQrK9Adz5MU4gHWVaNUfdmrC8qA==",
-      "dev": true,
       "requires": {
         "argparse": "^1.0.7",
         "esprima": "^4.0.0"
@@ -3402,7 +3441,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -3487,7 +3526,7 @@
     },
     "minimist": {
       "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
       "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
     },
     "minimist-options": {
@@ -3520,7 +3559,7 @@
     },
     "mkdirp": {
       "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "requires": {
         "minimist": "0.0.8"
@@ -3528,7 +3567,7 @@
       "dependencies": {
         "minimist": {
           "version": "0.0.8",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
         }
       }
@@ -3554,7 +3593,7 @@
       "dependencies": {
         "commander": {
           "version": "2.15.1",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
           "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
           "dev": true
         },
@@ -5118,7 +5157,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "dev": true,
       "requires": {
@@ -5133,7 +5172,7 @@
     },
     "recast": {
       "version": "0.10.43",
-      "resolved": "https://registry.npmjs.org/recast/-/recast-0.10.43.tgz",
+      "resolved": "http://registry.npmjs.org/recast/-/recast-0.10.43.tgz",
       "integrity": "sha1-uV1Q9tYHYaX2JS4V2AZ4FoSRzn8=",
       "dev": true,
       "requires": {
@@ -5443,8 +5482,7 @@
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
-      "dev": true
+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
     },
     "sshpk": {
       "version": "1.16.1",
@@ -5548,7 +5586,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -5660,7 +5698,7 @@
         },
         "load-json-file": {
           "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
           "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
           "dev": true,
           "requires": {
@@ -5771,7 +5809,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -5893,7 +5931,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -5906,7 +5944,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -6078,7 +6116,7 @@
     },
     "through": {
       "version": "2.3.8",
-      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },
@@ -6265,7 +6303,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -6346,7 +6384,7 @@
     },
     "wrap-ansi": {
       "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "requires": {
         "string-width": "^1.0.1",
@@ -6378,7 +6416,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "requires": {
             "ansi-regex": "^2.0.0"
diff --git a/package.json b/package.json
index 1d6a73815..326571721 100644
--- a/package.json
+++ b/package.json
@@ -81,6 +81,7 @@
     "find-up": "^3.0.0",
     "foreground-child": "^1.5.6",
     "glob": "^7.1.3",
+    "istanbul-api": "^2.1.0",
     "istanbul-lib-coverage": "^2.0.3",
     "istanbul-lib-hook": "^2.0.3",
     "istanbul-lib-instrument": "^3.1.0",