diff --git a/.gitignore b/.gitignore
index c07f7e1..0859556 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,3 +56,4 @@ lib/
 .DS_Store
 deploy-script.sh
 coverage/
+.nyc_output/
diff --git a/configs/node/api-flow-config.js b/configs/node/api-flow-config.js
index 97b2d80..f6cad0f 100644
--- a/configs/node/api-flow-config.js
+++ b/configs/node/api-flow-config.js
@@ -2,28 +2,34 @@ import Environment from '../../src/environments/node/Environment'
 
 import SwaggerLoader from '../../src/loaders/swagger/Loader'
 import RAMLLoader from '../../src/loaders/raml/Loader'
+import PostmanV2Loader from '../../src/loaders/postman/v2.0/Loader'
 
 import SwaggerV2Parser from '../../src/parsers/swagger/v2.0/Parser'
 import RAMLV1Parser from '../../src/parsers/raml/v1.0/Parser'
+import PostmanV2Parser from '../../src/loaders/postman/v2.0/Parser'
 
 import SwaggerV2Serializer from '../../src/serializers/swagger/v2.0/Serializer'
 import RAMLV1Serializer from '../../src/serializers/raml/v1.0/Serializer'
+import PostmanV2Serializer from '../../src/serializers/postman/v2.0/Serializer'
 import InternalSerializer from '../../src/serializers/internal/Serializer'
 
 export const loaders = [
   SwaggerLoader,
-  RAMLLoader
+  RAMLLoader,
+  PostmanV2Loader
 ]
 
 export const parsers = [
   SwaggerV2Parser,
-  RAMLV1Parser
+  RAMLV1Parser,
+  PostmanV2Parser
 ]
 
 export const serializers = [
   SwaggerV2Serializer,
   RAMLV1Serializer,
-  InternalSerializer
+  InternalSerializer,
+  PostmanV2Serializer
 ]
 
 export const environment = Environment
diff --git a/configs/web/api-flow-config.js b/configs/web/api-flow-config.js
index 81aa211..12e25e9 100644
--- a/configs/web/api-flow-config.js
+++ b/configs/web/api-flow-config.js
@@ -2,28 +2,34 @@ import Environment from '../../src/environments/web/Environment'
 
 import SwaggerLoader from '../../src/loaders/swagger/Loader'
 import RAMLLoader from '../../src/loaders/raml/Loader'
+import PostmanV2Loader from '../../src/loaders/postman/v2.0/Loader'
 
 import SwaggerV2Parser from '../../src/parsers/swagger/v2.0/Parser'
 import RAMLV1Parser from '../../src/parsers/raml/v1.0/Parser'
+import PostmanV2Parser from '../../src/loaders/postman/v2.0/Parser'
 
 import SwaggerV2Serializer from '../../src/serializers/swagger/v2.0/Serializer'
 import RAMLV1Serializer from '../../src/serializers/raml/v1.0/Serializer'
+import PostmanV2Serializer from '../../src/serializers/postman/v2.0/Serializer'
 import InternalSerializer from '../../src/serializers/internal/Serializer'
 
 export const loaders = [
   SwaggerLoader,
-  RAMLLoader
+  RAMLLoader,
+  PostmanV2Loader
 ]
 
 export const parsers = [
   SwaggerV2Parser,
-  RAMLV1Parser
+  RAMLV1Parser,
+  PostmanV2Parser
 ]
 
 export const serializers = [
   SwaggerV2Serializer,
   RAMLV1Serializer,
-  InternalSerializer
+  InternalSerializer,
+  PostmanV2Serializer
 ]
 
 export const environment = Environment
diff --git a/configs/webworker/api-flow-config.js b/configs/webworker/api-flow-config.js
index 81aa211..12e25e9 100644
--- a/configs/webworker/api-flow-config.js
+++ b/configs/webworker/api-flow-config.js
@@ -2,28 +2,34 @@ import Environment from '../../src/environments/web/Environment'
 
 import SwaggerLoader from '../../src/loaders/swagger/Loader'
 import RAMLLoader from '../../src/loaders/raml/Loader'
+import PostmanV2Loader from '../../src/loaders/postman/v2.0/Loader'
 
 import SwaggerV2Parser from '../../src/parsers/swagger/v2.0/Parser'
 import RAMLV1Parser from '../../src/parsers/raml/v1.0/Parser'
+import PostmanV2Parser from '../../src/loaders/postman/v2.0/Parser'
 
 import SwaggerV2Serializer from '../../src/serializers/swagger/v2.0/Serializer'
 import RAMLV1Serializer from '../../src/serializers/raml/v1.0/Serializer'
+import PostmanV2Serializer from '../../src/serializers/postman/v2.0/Serializer'
 import InternalSerializer from '../../src/serializers/internal/Serializer'
 
 export const loaders = [
   SwaggerLoader,
-  RAMLLoader
+  RAMLLoader,
+  PostmanV2Loader
 ]
 
 export const parsers = [
   SwaggerV2Parser,
-  RAMLV1Parser
+  RAMLV1Parser,
+  PostmanV2Parser
 ]
 
 export const serializers = [
   SwaggerV2Serializer,
   RAMLV1Serializer,
-  InternalSerializer
+  InternalSerializer,
+  PostmanV2Serializer
 ]
 
 export const environment = Environment
diff --git a/src/loaders/internal/Loader.js b/src/loaders/internal/Loader.js
index efdf747..c4e033c 100644
--- a/src/loaders/internal/Loader.js
+++ b/src/loaders/internal/Loader.js
@@ -70,11 +70,12 @@ methods.parseJSON = (str) => {
 
 methods.resolve = (options, uri, { $ref = '' } = {}) => {
   const uriToLoad = resolve(uri, $ref)
-  if (parse(uriToLoad).protocol === 'file:') {
-    return options.fsResolver.resolve(uriToLoad.split('#')[0])
+  const protocol = parse(uriToLoad).protocol
+  if (protocol && protocol.substr(0, 4) === 'http') {
+    return options.httpResolver.resolve(uriToLoad.split('#')[0])
   }
 
-  return options.httpResolver.resolve(uriToLoad.split('#')[0])
+  return options.fsResolver.resolve(uriToLoad.split('#')[0])
 }
 
 
diff --git a/src/loaders/postman/v2.0/Loader.js b/src/loaders/postman/v2.0/Loader.js
index 237398d..96f8481 100644
--- a/src/loaders/postman/v2.0/Loader.js
+++ b/src/loaders/postman/v2.0/Loader.js
@@ -87,11 +87,11 @@ methods.isParsable = (content) => {
 methods.resolve = (options, uri, { $ref = '' } = {}) => {
   const uriToLoad = resolve(uri, $ref)
   const protocol = parse(uriToLoad).protocol
-  if (protocol === 'file:' || protocol === 'file') {
-    return options.fsResolver.resolve(uriToLoad.split('#')[0])
+  if (protocol && protocol.substr(0, 4) === 'http') {
+    return options.httpResolver.resolve(uriToLoad.split('#')[0])
   }
 
-  return options.httpResolver.resolve(uriToLoad.split('#')[0])
+  return options.fsResolver.resolve(uriToLoad.split('#')[0])
 }
 
 methods.normalizeRequestItem = (item) => {
diff --git a/src/loaders/swagger/Loader.js b/src/loaders/swagger/Loader.js
index ff66f33..159e516 100644
--- a/src/loaders/swagger/Loader.js
+++ b/src/loaders/swagger/Loader.js
@@ -122,11 +122,12 @@ methods.traverse = (content, { $ref = '#/' } = {}) => {
 
 methods.resolve = (options, uri, { $ref = '' } = {}) => {
   const uriToLoad = resolve(uri, $ref)
-  if (parse(uriToLoad).protocol === 'file:') {
-    return options.fsResolver.resolve(uriToLoad.split('#')[0])
+  const protocol = parse(uriToLoad).protocol
+  if (protocol && protocol.substr(0, 4) === 'http') {
+    return options.httpResolver.resolve(uriToLoad.split('#')[0])
   }
 
-  return options.httpResolver.resolve(uriToLoad.split('#')[0])
+  return options.fsResolver.resolve(uriToLoad.split('#')[0])
 }
 
 methods.objectMap = (obj, func) => {
diff --git a/src/loaders/template/v1.0/Loader.js b/src/loaders/template/v1.0/Loader.js
index 1509f5d..7ca25c7 100644
--- a/src/loaders/template/v1.0/Loader.js
+++ b/src/loaders/template/v1.0/Loader.js
@@ -125,11 +125,11 @@ methods.isParsable = (content) => {
 methods.resolve = (options, uri, { $ref = '' } = {}) => {
   const uriToLoad = resolve(uri, $ref)
   const protocol = parse(uriToLoad).protocol
-  if (protocol === 'file:' || protocol === 'file' || !protocol) {
-    return options.fsResolver.resolve(uriToLoad.split('#')[0])
+  if (protocol && protocol.substr(0, 4) === 'http') {
+    return options.httpResolver.resolve(uriToLoad.split('#')[0])
   }
 
-  return options.httpResolver.resolve(uriToLoad.split('#')[0])
+  return options.fsResolver.resolve(uriToLoad.split('#')[0])
 }
 
 /**
diff --git a/src/parsers/postman/v2.0/Parser.js b/src/parsers/postman/v2.0/Parser.js
index 52b8980..401546f 100644
--- a/src/parsers/postman/v2.0/Parser.js
+++ b/src/parsers/postman/v2.0/Parser.js
@@ -478,7 +478,7 @@ methods.addHostEntryToHostMap = (hostMap, { key, value }) => {
   const hostname = key.get('hostname') ? key.get('hostname').generate(List([ '{{', '}}' ])) : ''
   const port = key.get('port') ? ':' + key.get('port').generate(List([ '{{', '}}' ])) : ''
   const host = hostname + port
-  const pathname = key.get('pathname').generate(List([ '{{', '}}' ]))
+  const pathname = key.get('pathname') ? key.get('pathname').generate(List([ '{{', '}}' ])) : ''
 
   if (!hostMap[host]) {
     hostMap[host] = { entries: [], lcPathname: pathname.split('/') }
diff --git a/src/parsers/postman/v2.0/__tests__/Parser.spec.js b/src/parsers/postman/v2.0/__tests__/Parser.spec.js
index dd36787..b2cb0c1 100644
--- a/src/parsers/postman/v2.0/__tests__/Parser.spec.js
+++ b/src/parsers/postman/v2.0/__tests__/Parser.spec.js
@@ -960,6 +960,13 @@ describe('parsers/postman/v2.0/Parser.js', () => {
             variableDelimiters: List([ '{{', '}}', ':' ])
           }),
           value: 321
+        },
+        {
+          key: new URL({
+            url: 'staging.paw.cloud',
+            variableDelimiters: List([ '{{', '}}', ':' ])
+          }),
+          value: 123
         }
       ]
       const expected = {
@@ -1017,6 +1024,18 @@ describe('parsers/postman/v2.0/Parser.js', () => {
             }
           ],
           lcPathname: [ '', 'users', '321' ]
+        },
+        'staging.paw.cloud': {
+          entries: [
+            {
+              key: new URL({
+                url: 'staging.paw.cloud',
+                variableDelimiters: List([ '{{', '}}', ':' ])
+              }),
+              value: 123
+            }
+          ],
+          lcPathname: [ '' ]
         }
       }
 
diff --git a/src/serializers/paw/Serializer.js b/src/serializers/paw/Serializer.js
index 23297a1..a5f0ff1 100644
--- a/src/serializers/paw/Serializer.js
+++ b/src/serializers/paw/Serializer.js
@@ -442,7 +442,7 @@ methods.convertAuthIntoDynamicValue = (auth) => {
  * @param {Environment} environment: the environment in which this auth value is applicable.
  * @param {Auth} auth: the auth to add to the domain
  * @param {string} key: the name of the auth
- * @returns {EnvironmentVariable} the newly created environment variable.
+ * @returns {{ variable: EnvironmentVariable, auth: Auth }} the newly created environment variable.
  */
 methods.addAuthToDomain = (domain, environment, auth, key) => {
   const variable = domain.createEnvironmentVariable(key)
@@ -450,7 +450,7 @@ methods.addAuthToDomain = (domain, environment, auth, key) => {
   const ds = methods.wrapDV(dv)
   variable.setValue(ds, environment)
 
-  return variable
+  return { variable, auth }
 }
 
 /**
@@ -1041,7 +1041,7 @@ methods.convertAuthFromReference = (store, reference) => {
  * converts a reference or an auth into a DynamicString Entry.
  * @param {Store} store: the store used to resolve references
  * @param {Auth|Reference} authOrReference: the record to convert into a DynamicString
- * @returns {DynamicString} the corresponding DynamicString
+ * @returns {{ variable: DynamicString, auth: Auth }} the corresponding DynamicString
  */
 methods.convertReferenceOrAuthToDsEntry = (store, authOrReference) => {
   if (authOrReference instanceof Reference) {
@@ -1049,18 +1049,25 @@ methods.convertReferenceOrAuthToDsEntry = (store, authOrReference) => {
   }
 
   const dv = methods.convertAuthIntoDynamicValue(authOrReference)
-  return methods.wrapDV(dv)
+  return { variable: methods.wrapDV(dv), auth: authOrReference }
 }
 
 // TODO create Variable DS that has enum with all auth possible
 /**
  * sets the Auth DynamicString as am Authorization Header.
  * @param {PawRequest} pawRequest: the paw request to update
- * @param {DynamicString} auth: the DynamicString representing an auth
+ * @param {Objecti} authData: the object containing the auth representation as a DynamicString and
+ * the original auth Record.
+ * @param {DynamicString} variable: the DynamicString representing an auth
+ * @param {Auth} auth: the original auth
  * @returns {PawRequest} the update paw request
  */
-methods.addAuthToRequest = (pawRequest, auth) => {
-  pawRequest.setHeader('Authorization', auth)
+methods.addAuthToRequest = (pawRequest, { variable, auth }) => {
+  let authName = 'Authorization'
+  if (auth instanceof Auth.ApiKey) {
+    authName = auth.get('name')
+  }
+  pawRequest.setHeader(authName, variable)
   return pawRequest
 }
 
diff --git a/src/serializers/paw/__tests__/Serializer.spec.js b/src/serializers/paw/__tests__/Serializer.spec.js
index ccd6baf..1eb1c31 100644
--- a/src/serializers/paw/__tests__/Serializer.spec.js
+++ b/src/serializers/paw/__tests__/Serializer.spec.js
@@ -746,7 +746,7 @@ describe('serializers/paw/Serializer.js', () => {
       spyOn(__internals__, 'convertAuthIntoDynamicValue').andReturn(123)
       spyOn(__internals__, 'wrapDV').andReturn('123')
 
-      const expected = variable
+      const expected = { variable, auth }
       const actual = __internals__.addAuthToDomain(domain, environment, auth, key)
 
       expect(domain.createEnvironmentVariable).toHaveBeenCalledWith(key)
@@ -2040,7 +2040,7 @@ describe('serializers/paw/Serializer.js', () => {
       const store = new Store()
       const auth = new Auth.Basic()
 
-      const expected = '123'
+      const expected = { variable: '123', auth }
       const actual = __internals__.convertReferenceOrAuthToDsEntry(store, auth)
 
       expect(actual).toEqual(expected)
@@ -2051,12 +2051,27 @@ describe('serializers/paw/Serializer.js', () => {
     it('should work', () => {
       const pawReq = { setHeader: () => {} }
       spyOn(pawReq, 'setHeader').andReturn(123)
-      const auth = 'some dynamic string'
+      const authData = { variable: 'some dynamic string', auth: new Auth.Basic() }
+
+      const expected = pawReq
+      const actual = __internals__.addAuthToRequest(pawReq, authData)
+
+      expect(pawReq.setHeader).toHaveBeenCalledWith('Authorization', authData.variable)
+      expect(actual).toEqual(expected)
+    })
+
+    it('should work with ApiKeys custom headers', () => {
+      const pawReq = { setHeader: () => {} }
+      spyOn(pawReq, 'setHeader').andReturn(123)
+      const authData = {
+        variable: 'some dynamic string',
+        auth: new Auth.ApiKey({ name: 'X-Auth-Token' })
+      }
 
       const expected = pawReq
-      const actual = __internals__.addAuthToRequest(pawReq, auth)
+      const actual = __internals__.addAuthToRequest(pawReq, authData)
 
-      expect(pawReq.setHeader).toHaveBeenCalledWith('Authorization', auth)
+      expect(pawReq.setHeader).toHaveBeenCalledWith('X-Auth-Token', authData.variable)
       expect(actual).toEqual(expected)
     })
   })
diff --git a/src/serializers/postman/v2.0/Serializer.js b/src/serializers/postman/v2.0/Serializer.js
index 1920695..70f68f1 100644
--- a/src/serializers/postman/v2.0/Serializer.js
+++ b/src/serializers/postman/v2.0/Serializer.js
@@ -35,7 +35,7 @@ import Auth from '../../../models/Auth'
 import { convertEntryListInMap } from '../../../utils/fp-utils'
 
 const __meta__ = {
-  format: 'postman',
+  format: 'postman-collection',
   version: 'v2.0'
 }