diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..3bf817a
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,97 @@
+// Type definitions for React Trend 1.2.4
+// Project: http://unsplash.github.io/react-trend/, https://github.com/unsplash/react-trend
+// Definitions by: Jared Palmer <https://github.com/jaredpalmer>
+// TypeScript Version: 2.1
+
+declare module 'react-trend' {
+  export type TrendDataPoint = number | { value: number };
+
+  export type TrendProps = JSX.IntrinsicElements['svg'] & {
+    /**
+     * An array of y-axis values to graph.
+     * React Trend takes care of normalization, so don't worry about ensuring
+     * the data is in a specific range. This does mean that all data points
+     * will be evenly-spaced. If you have irregularly-spaced data, it will not
+     * be properly represented. As of v1.2.0, you may supply an array of data
+     *  objects with a value property
+     */
+    data: TrendDataPoint[];
+    /**
+     * Allow the line to draw itself on mount.
+     * Set to true to enable, and customize using autoDrawDuration
+     * and autoDrawEasing.
+     *
+     * @default false
+     */
+    autoDraw?: boolean;
+    /**
+     * The amount of time, in milliseconds, that the autoDraw
+     * animation should span.
+     *
+     * @default 2000
+     */
+    autoDrawDuration?: number;
+    /**
+     * The easing function to use for the autoDraw animation.
+     * Accepts any transition timing function within the CSS spec
+     * (eg. linear, ease, ease-in, cubic-bezier...).
+     *
+     * @default "ease"
+     */
+    autoDrawEasing?: React.CSSProperties['transitionTimingFunction'];
+    /**
+     * An array of 2+ colour values, and will fade evenly between them from the
+     * bottom up. Colour can be specified as any SVG-supported format (named,
+     * rgb, hex, etc).
+     */
+    gradient?: string[];
+    /**
+     * Set an explicit height for your SVG. By default it ensures a 1:4 aspect
+     * ratio with the width, and the width expands to fill the container.
+     * Note that in most cases it is sufficient to leave this blank, and just
+     * control the size of the parent container.
+     */
+    height?: number;
+    /**
+     * If you set a very large strokeWidth on your line, you may notice that
+     * it gets "cropped" towards the edges. This is because SVGs don't support
+     * overflow.By increasing this number, you expand the space around the line,
+     * so that very thick lines aren't cropped. In most cases you don't need
+     * to touch this value.
+     *
+     * @default 8
+     */
+    padding?: number;
+    /**
+     * When using smoothing, you may wish to control the amount of curve around
+     *  each point. For example, a 0 radius is equivalent to not having any
+     * smoothing at all, where an impossibly-large number like 10000 will
+     * ensure that each peak is as curved as it can possibly be.
+     *
+     * This prop has no effect if smooth isn't set to true.
+     *
+     * @default 10
+     */
+    radius?: number;
+    /**
+     * Smooth allows the peaks to be 'rounded' out so that the line has no
+     * jagged edges. By tweaking the radius prop, you can use this as a
+     * subtle prop to tone down the sharpness, or you can set a very high
+     * radius to create a snake-like line.
+     *
+     * @default false
+     */
+    smooth?: boolean;
+    /**
+     * Set an explicit width for your SVG. By default it ensures a 1:4 aspect
+     * ratio with the height, expanding to fill the width of the container.
+     * Note that in most cases it is sufficient to leave this blank, and
+     * just control the width of the parent container.
+     *
+     * @default 14
+     */
+    width?: number;
+  };
+
+  export default class Trend extends React.Component<TrendProps> {}
+}
diff --git a/package.json b/package.json
index b7f3123..1b59d05 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "react-trend React component",
   "main": "lib/index.js",
   "module": "es/index.js",
+  "typings": "index.d.ts",
   "files": [
     "css",
     "es",
@@ -43,12 +44,10 @@
     "react-slider": "0.7.0",
     "react-syntax-highlighter": "4.0.1"
   },
-  "contributors": [
-    {
-      "name": "Joshua Comeau",
-      "email": "josh@unsplash.com"
-    }
-  ],
+  "contributors": [{
+    "name": "Joshua Comeau",
+    "email": "josh@unsplash.com"
+  }],
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -62,4 +61,4 @@
     "graph",
     "data-visualization"
   ]
-}
+}
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