diff --git a/CHANGELOG.md b/CHANGELOG.md
index a95a63de..f83f3209 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Master
 
+* Added `hasJsonBody(_:)` matcher.  
+  [@pimnijman](https://github.com/pimnijman)
 * Added `onStubMissing` to report missing stubs.  
   [@c1ira](https://github.com/c1ira)
   [#264](https://github.com/AliSoftware/OHHTTPStubs/pull/264)
diff --git a/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift b/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift
index e32df03c..963ac88a 100644
--- a/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift
+++ b/OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift
@@ -392,6 +392,26 @@ public func hasHeaderNamed(_ name: String, value: String) -> OHHTTPStubsTestBloc
   }
 #endif
 
+/**
+ * Matcher testing that the `NSURLRequest` body contains a JSON object with the same keys and values
+ * - Parameter jsonObject: the JSON object to expect
+ *
+ * - Returns: a matcher that returns true if the `NSURLRequest`'s body contains a JSON object with the same keys and values as the parameter value
+ */
+#if swift(>=3.0)
+public func hasJsonBody(_ jsonObject: [AnyHashable : Any]) -> OHHTTPStubsTestBlock {
+  return { req in
+    guard
+      let httpBody = req.ohhttpStubs_httpBody,
+      let jsonBody = (try? JSONSerialization.jsonObject(with: httpBody, options: [])) as? [AnyHashable : Any]
+    else {
+      return false
+    }
+    return NSDictionary(dictionary: jsonBody).isEqual(to: jsonObject)
+  }
+}
+#endif
+
 // MARK: Operators on OHHTTPStubsTestBlock
 
 /**
diff --git a/OHHTTPStubs/UnitTests/Test Suites/SwiftHelpersTests.swift b/OHHTTPStubs/UnitTests/Test Suites/SwiftHelpersTests.swift
index 3c366db4..3b636466 100644
--- a/OHHTTPStubs/UnitTests/Test Suites/SwiftHelpersTests.swift	
+++ b/OHHTTPStubs/UnitTests/Test Suites/SwiftHelpersTests.swift	
@@ -454,6 +454,69 @@ class SwiftHelpersTests : XCTestCase {
 #endif
   }
 
+#if swift(>=3.0)
+  func testHasJsonBodyIsTrue() {
+    let jsonStringsAndObjects = [
+      // Exact match
+      ("{ \"foo\": \"bar\", \"baz\": 42, \"qux\": true }",
+       ["foo": "bar", "baz": 42, "qux": true]),
+      // Changed attribute order
+      ("{ \"qux\": true, \"foo\": \"bar\", \"baz\": 42 }",
+       ["foo": "bar", "baz": 42, "qux": true]),
+      // Newlines and indentations
+      ("{ \"foo\": \"bar\", \n\"baz\": 42,     \"qux\": true }",
+       ["foo": "bar", "baz": 42, "qux": true]),
+      // Nested objects
+      ("{ \"foo\": \"bar\", \"baz\": { \"qux\": true, \"quux\": [\"spam\", \"ham\", \"eggs\"] } }",
+       ["foo": "bar", "baz": ["qux": true, "quux": ["spam", "ham", "eggs"]]]),
+      // Nested objects with changed attribute order
+      ("{ \"foo\": \"bar\", \"baz\": { \"quux\": [\"spam\", \"ham\", \"eggs\"], \"qux\": true } }",
+       ["foo": "bar", "baz": ["qux": true, "quux": ["spam", "ham", "eggs"]]]),
+    ]
+    
+    for (jsonString, expectedJsonObject) in jsonStringsAndObjects {
+      var req = URLRequest(url: URL(string: "foo://bar")!)
+      req.httpBody = jsonString.data(using: .utf8)
+      let matchesJsonBody = hasJsonBody(expectedJsonObject)(req)
+      
+      XCTAssertTrue(matchesJsonBody)
+    }
+  }
+#endif
+
+#if swift(>=3.0)
+  func testHasJsonBodyIsFalse() {
+    let jsonStringsAndObjects = [
+      // Changed value
+      ("{ \"foo\": \"bar\" }",
+       ["foo": "qux"]),
+      // Changed key
+      ("{ \"foo\": \"bar\" }",
+       ["baz": "bar"]),
+      // Missing attribute
+      ("{ \"foo\": \"bar\", \"baz\": 42 }",
+       ["foo": "bar"]),
+      // Extraneous attribute
+      ("{ \"foo\": \"bar\" }",
+       ["foo": "bar", "baz": 42]),
+      // Changed order in array
+      ("{ \"foo\": [\"spam\", \"ham\", \"eggs\"] }",
+       ["foo": ["spam", "eggs", "ham"]]),
+      // Nested objects with changed value
+        ("{ \"foo\": \"bar\", \"baz\": { \"qux\": true } }",
+       ["foo": "bar", "baz": ["qux": false]])
+    ]
+    
+    for (jsonString, expectedJsonObject) in jsonStringsAndObjects {
+      var req = URLRequest(url: URL(string: "foo://bar")!)
+      req.httpBody = jsonString.data(using: .utf8)
+      let matchesJsonBody = hasJsonBody(expectedJsonObject)(req)
+      
+      XCTAssertFalse(matchesJsonBody)
+    }
+  }
+#endif
+
   let sampleURLs = [
     // Absolute URLs
     "scheme:",