1 files changed, 4 insertions, 2 deletions
diff --git a/packages/instant/src/util/coinbase_api.ts b/packages/instant/src/util/coinbase_api.ts
index 63c8077da..94a5d3c80 100644
--- a/packages/instant/src/util/coinbase_api.ts
+++ b/packages/instant/src/util/coinbase_api.ts
@@ -1,8 +1,10 @@
+import { BigNumber } from '@0xproject/utils';
+
 const baseEndpoint = 'https://api.coinbase.com/v2';
 export const coinbaseApi = {
-    getEthUsdPrice: async (): Promise<string> => {
+    getEthUsdPrice: async (): Promise<BigNumber> => {
         const res = await fetch(`${baseEndpoint}/prices/ETH-USD/buy`);
         const resJson = await res.json();
-        return resJson.data.amount;
+        return new BigNumber(resJson.data.amount);
     },
 };