diff --git a/api.go b/api.go
index f9efbdb00..8ca101c61 100644
--- a/api.go
+++ b/api.go
@@ -238,16 +238,18 @@ func (api *API) DeleteIndex(ctx context.Context, indexName string) error {
 // CreateField makes the named field in the named index with the given options.
 // This method currently only takes a single functional option, but that may be
 // changed in the future to support multiple options.
-func (api *API) CreateField(ctx context.Context, indexName string, fieldName string, opts FieldOption) (*Field, error) {
+func (api *API) CreateField(ctx context.Context, indexName string, fieldName string, opts ...FieldOption) (*Field, error) {
 	if err := api.validate(apiCreateField); err != nil {
 		return nil, errors.Wrap(err, "validating api method")
 	}
 
-	// Apply functional option.
+	// Apply functional options.
 	fo := fieldOptions{}
-	err := opts(&fo)
-	if err != nil {
-		return nil, errors.Wrap(err, "applying option")
+	for _, opt := range opts {
+		err := opt(&fo)
+		if err != nil {
+			return nil, errors.Wrap(err, "applying option")
+		}
 	}
 
 	// Find index.
@@ -257,7 +259,7 @@ func (api *API) CreateField(ctx context.Context, indexName string, fieldName str
 	}
 
 	// Create field.
-	field, err := index.CreateField(fieldName, opts)
+	field, err := index.CreateField(fieldName, opts...)
 	if err != nil {
 		return nil, errors.Wrap(err, "creating field")
 	}
diff --git a/http/handler.go b/http/handler.go
index 1089c5329..8b2015094 100644
--- a/http/handler.go
+++ b/http/handler.go
@@ -653,17 +653,22 @@ func (h *Handler) handlePostField(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Convert json options into functional options.
-	var fos pilosa.FieldOption
+	var fos []pilosa.FieldOption
 	switch req.Options.Type {
 	case pilosa.FieldTypeSet:
-		fos = pilosa.OptFieldTypeSet(*req.Options.CacheType, *req.Options.CacheSize)
+		fos = append(fos, pilosa.OptFieldTypeSet(*req.Options.CacheType, *req.Options.CacheSize))
 	case pilosa.FieldTypeInt:
-		fos = pilosa.OptFieldTypeInt(*req.Options.Min, *req.Options.Max)
+		fos = append(fos, pilosa.OptFieldTypeInt(*req.Options.Min, *req.Options.Max))
 	case pilosa.FieldTypeTime:
-		fos = pilosa.OptFieldTypeTime(*req.Options.TimeQuantum)
+		fos = append(fos, pilosa.OptFieldTypeTime(*req.Options.TimeQuantum))
+	}
+	if req.Options.Keys != nil {
+		if *req.Options.Keys {
+			fos = append(fos, pilosa.OptFieldKeys())
+		}
 	}
 
-	_, err = h.API.CreateField(r.Context(), indexName, fieldName, fos)
+	_, err = h.API.CreateField(r.Context(), indexName, fieldName, fos...)
 	resp.write(w, err)
 }