diff --git a/gotime/smplt/simplate.go b/gotime/smplt/simplate.go
index 0fc9238..d3061dd 100644
--- a/gotime/smplt/simplate.go
+++ b/gotime/smplt/simplate.go
@@ -1,6 +1,8 @@
 package smplt
 
 import (
+	"mime"
+	"path"
 	"strings"
 )
 
@@ -8,17 +10,27 @@ const (
 	SIMPLATE_TYPE_RENDERED   = "rendered"
 	SIMPLATE_TYPE_STATIC     = "static"
 	SIMPLATE_TYPE_NEGOTIATED = "negotiated"
+	SIMPLATE_TYPE_JSON       = "json"
 )
 
 type Simplate struct {
-	Type string
+	Filename    string
+	Type        string
+	ContentType string
 }
 
 func SimplateFromString(filename, content string) *Simplate {
 	nbreaks := strings.Count(content, "")
 
 	s := &Simplate{
-		Type: SIMPLATE_TYPE_STATIC,
+		Filename:    filename,
+		Type:        SIMPLATE_TYPE_STATIC,
+		ContentType: mime.TypeByExtension(path.Ext(filename)),
+	}
+
+	if nbreaks == 1 && s.ContentType == "application/json" {
+		s.Type = SIMPLATE_TYPE_JSON
+		return s
 	}
 
 	if nbreaks == 2 {
diff --git a/gotime/smplt/smplt_test.go b/gotime/smplt/smplt_test.go
index 490a729..a76ae31 100644
--- a/gotime/smplt/smplt_test.go
+++ b/gotime/smplt/smplt_test.go
@@ -1,12 +1,14 @@
 package smplt_test
 
 import (
+	"mime"
 	"testing"
 
 	. "github.com/meatballhat/box-o-sand/gotime/smplt"
 )
 
-const BASIC_RENDERED_TXT_SIMPLATE = `
+const (
+	BASIC_RENDERED_TXT_SIMPLATE = `
 import (
     "time"
 )
@@ -17,16 +19,70 @@ type Dance struct {
 }
 
 d := &Dance{
-    Who: "Everybody",
+    Who:  "Everybody",
     When: time.Now(),
 }
 
 {{d.Who}} Dance {{d.When}}!
 `
-
-const BASIC_STATIC_TXT_SIMPLATE = `
+	BASIC_STATIC_TXT_SIMPLATE = `
 Everybody Dance Now!
 `
+	BASIC_JSON_SIMPLATE = `
+import (
+    "time"
+)
+
+type Dance struct {
+    Who  string
+    When time.Time
+}
+
+d := &Dance{
+    Who:  "Everybody",
+    When: time.Now(),
+}
+response.SetBody(d)
+`
+	BASIC_NEGOTIATED_SIMPLATE = `
+import (
+    "time"
+)
+
+type Dance struct {
+    Who  string
+    When time.Time
+}
+
+d := &Dance{
+    Who:  "Everybody",
+    When: time.Now(),
+}
+ text/plain
+{{d.Who}} Dance {{d.When}}!
+
+ application/json
+{"who":"{{d.Who}}","when":"{{d.When}}"}
+`
+)
+
+func TestSimplateKnowsItsFilename(t *testing.T) {
+	s := SimplateFromString("hasty-decisions.txt", "herpherpderpherp")
+	if s.Filename != "hasty-decisions.txt" {
+		t.Errorf("Simplate filename incorrectly assigned as %s instead of %s",
+			s.Filename, "hasty-decisions.txt")
+	}
+}
+
+func TestSimplateKnowsItsContentType(t *testing.T) {
+	s := SimplateFromString("hasty-decisions.js", "function herp() { return 'derp'; }")
+	expected := mime.TypeByExtension(".js")
+
+	if s.ContentType != expected {
+		t.Errorf("Simplate content type incorrectly assigned as %s instead of %s",
+			s.ContentType, expected)
+	}
+}
 
 func TestDetectsRenderedSimplate(t *testing.T) {
 	s := SimplateFromString("basic-rendered.txt", BASIC_RENDERED_TXT_SIMPLATE)
@@ -41,3 +97,18 @@ func TestDetectsStaticSimplate(t *testing.T) {
 		t.Errorf("Simplate detected as %s instead of %s", s.Type, SIMPLATE_TYPE_STATIC)
 	}
 }
+
+func TestDetectsJSONSimplates(t *testing.T) {
+	s := SimplateFromString("basic.json", BASIC_JSON_SIMPLATE)
+	if s.Type != SIMPLATE_TYPE_JSON {
+		t.Errorf("Simplate detected as %s instead of %s", s.Type, SIMPLATE_TYPE_JSON)
+	}
+}
+
+func TestDetectsNegotiatedSimplates(t *testing.T) {
+	s := SimplateFromString("hork", BASIC_NEGOTIATED_SIMPLATE)
+	if s.Type != SIMPLATE_TYPE_NEGOTIATED {
+		t.Errorf("Simplate detected as %s instead of %s",
+			s.Type, SIMPLATE_TYPE_NEGOTIATED)
+	}
+}