diff --git a/packages/daimo-common/src/daimoPay.ts b/packages/daimo-common/src/daimoPay.ts
index eeb1b7713..29db1baa0 100644
--- a/packages/daimo-common/src/daimoPay.ts
+++ b/packages/daimo-common/src/daimoPay.ts
@@ -205,6 +205,16 @@ export function getOrderDestChainId(
   return order.destFinalCallTokenAmount.token.chainId;
 }
 
+export type WalletBalanceOption = {
+  balance: DaimoPayTokenAmount;
+  minimumRequired: DaimoPayTokenAmount;
+  fees: DaimoPayTokenAmount;
+};
+
+export type WalletPaymentOption = WalletBalanceOption & {
+  required: DaimoPayTokenAmount;
+};
+
 export type ExternalPaymentOptionMetadata = {
   id: ExternalPaymentOptions;
   cta: string;
@@ -213,6 +223,7 @@ export type ExternalPaymentOptionMetadata = {
   paymentToken: DaimoPayToken;
   disabled: boolean;
   message?: string;
+  minimumUsd?: number;
 };
 
 export enum ExternalPaymentOptions {
@@ -352,7 +363,7 @@ export interface WebhookDelivery {
   createdAt: Date;
 }
 
-export function getDisplayPrice(tokenAmount: DaimoPayTokenAmount) {
+export function getDisplayPrice(tokenAmount: DaimoPayTokenAmount): string {
   const { token, amount } = tokenAmount;
   const amountDec = formatUnits(BigInt(amount), token.decimals);
   const displayPrice = Number(amountDec).toFixed(token.displayDecimals);