diff --git a/src/api/subscriptions-common.ts b/src/api/subscriptions-common.ts
index bc7eb50..2b415a5 100644
--- a/src/api/subscriptions-common.ts
+++ b/src/api/subscriptions-common.ts
@@ -1,10 +1,11 @@
 import { BACKEND_URL } from "@/constants"
 import { http } from "./common"
+import { User } from "./users"
 
 export interface SubscriptionOption {
   type: string;
   price: number | null;
-  payout_address: number | null;
+  payout_address: string | null;
 }
 
 export async function getSubscriptionOptions(
@@ -23,6 +24,24 @@ export async function getSubscriptionOptions(
   }
 }
 
+export async function registerSubscriptionOption(
+  authToken: string,
+  subscriptionOption: SubscriptionOption,
+): Promise<User> {
+  const url = `${BACKEND_URL}/api/v1/subscriptions/options`
+  const response = await http(url, {
+    method: "POST",
+    authToken,
+    json: subscriptionOption,
+  })
+  const data = await response.json()
+  if (response.status !== 200) {
+    throw new Error(data.message)
+  } else {
+    return data
+  }
+}
+
 export interface SubscriptionDetails {
   id: number,
   expires_at: string,
diff --git a/src/api/subscriptions-ethereum.ts b/src/api/subscriptions-ethereum.ts
index 7010af4..b8fec51 100644
--- a/src/api/subscriptions-ethereum.ts
+++ b/src/api/subscriptions-ethereum.ts
@@ -7,6 +7,7 @@ import { ethereumAddressMatch, EthereumSignature } from "@/utils/ethereum"
 import { floatToBigNumber, roundBigNumber } from "@/utils/numbers"
 import { http } from "./common"
 import { Contracts, getContract } from "./contracts"
+import { registerSubscriptionOption } from "./subscriptions-common"
 import { Profile, User } from "./users"
 
 const SECONDS_IN_DAY = 3600 * 24
@@ -92,18 +93,11 @@ export async function configureSubscriptions(
 export async function onSubscriptionsEnabled(
   authToken: string,
 ): Promise<User> {
-  const url = `${BACKEND_URL}/api/v1/subscriptions/enable`
-  const response = await http(url, {
-    method: "POST",
-    authToken,
-    json: { type: "ethereum" },
+  return await registerSubscriptionOption(authToken, {
+    type: "ethereum",
+    price: null,
+    payout_address: null,
   })
-  const data = await response.json()
-  if (response.status !== 200) {
-    throw new Error(data.message)
-  } else {
-    return data
-  }
 }
 
 export class SubscriptionConfig {
diff --git a/src/api/subscriptions-monero.ts b/src/api/subscriptions-monero.ts
index 10438ea..1c8e5c3 100644
--- a/src/api/subscriptions-monero.ts
+++ b/src/api/subscriptions-monero.ts
@@ -2,6 +2,7 @@ import { BigNumber } from "@ethersproject/bignumber"
 
 import { BACKEND_URL } from "@/constants"
 import { http } from "./common"
+import { registerSubscriptionOption } from "./subscriptions-common"
 import {
   formatAmount,
   getPricePerMonth as _getPricePerMonth,
@@ -24,18 +25,11 @@ export async function enableMoneroSubscriptions(
   price: number,
   payoutAddress: string,
 ): Promise<User> {
-  const url = `${BACKEND_URL}/api/v1/subscriptions/enable`
-  const response = await http(url, {
-    method: "POST",
-    authToken,
-    json: { type: "monero", price, payout_address: payoutAddress },
+  return await registerSubscriptionOption(authToken, {
+    type: "monero",
+    price,
+    payout_address: payoutAddress,
   })
-  const data = await response.json()
-  if (response.status !== 200) {
-    throw new Error(data.message)
-  } else {
-    return data
-  }
 }
 
 export interface Invoice {