diff --git a/.changeset/breezy-mirrors-dance.md b/.changeset/breezy-mirrors-dance.md
new file mode 100644
index 000000000..19cd3ef0a
--- /dev/null
+++ b/.changeset/breezy-mirrors-dance.md
@@ -0,0 +1,7 @@
+---
+"@crossmint/client-sdk-react-native-ui": minor
+"@crossmint/client-sdk-react-ui": minor
+"@crossmint/wallets-sdk": minor
+---
+
+Unifies callback calls for otp signers
diff --git a/apps/wallets/quickstart-devkit/app/providers.tsx b/apps/wallets/quickstart-devkit/app/providers.tsx
index aa1f4df54..efabe5fd8 100644
--- a/apps/wallets/quickstart-devkit/app/providers.tsx
+++ b/apps/wallets/quickstart-devkit/app/providers.tsx
@@ -192,10 +192,7 @@ function SolanaFirebaseProvider({ children }: { children: React.ReactNode }) {
 function StellarCrossmintAuthProvider({ children }: { children: React.ReactNode }) {
     return (
         <CrossmintProvider apiKey={process.env.NEXT_PUBLIC_CROSSMINT_API_KEY || ""}>
-            <CrossmintAuthProvider
-                authModalTitle="Stellar Wallets Quickstart"
-                loginMethods={["google", "twitter", "email", "web3"]}
-            >
+            <CrossmintAuthProvider authModalTitle="Stellar Wallets Quickstart" loginMethods={["google", "email"]}>
                 <CrossmintWalletProvider
                     showPasskeyHelpers={false}
                     createOnLogin={{
diff --git a/apps/wallets/quickstart-devkit/components/transfer.tsx b/apps/wallets/quickstart-devkit/components/transfer.tsx
index 4248615c7..fe414ae87 100644
--- a/apps/wallets/quickstart-devkit/components/transfer.tsx
+++ b/apps/wallets/quickstart-devkit/components/transfer.tsx
@@ -1,7 +1,7 @@
 "use client";
 
 import { useState } from "react";
-import { useWallet } from "@crossmint/client-sdk-react-ui";
+import { StellarWallet, useWallet } from "@crossmint/client-sdk-react-ui";
 import { PublicKey } from "@solana/web3.js";
 import { isAddress } from "viem";
 
@@ -271,7 +271,18 @@ export function StellarTransferFunds() {
 
         try {
             setIsLoading(true);
-            const tx = await wallet.send(recipient, token, amount.toString());
+            const transaction = {
+                type: "contract-call",
+                contractId: "CDMUQY2ZHWIGXSTHPHX53ACR76OLXCCAAKQWQWUS2JNAH6SZEXMRU6R2",
+                method: "transfer",
+                args: {
+                    from: wallet.address,
+                    to: recipient,
+                    amount: amount,
+                },
+            };
+            const stellarWallet = StellarWallet.from(wallet);
+            const tx = await stellarWallet.sendTransaction(transaction);
             setTxLink(tx.explorerLink);
         } catch (err) {
             console.error("Transfer: ", err);
diff --git a/apps/wallets/smart-wallet/expo/app/index.tsx b/apps/wallets/smart-wallet/expo/app/index.tsx
index 1b5b15eb5..798468469 100644
--- a/apps/wallets/smart-wallet/expo/app/index.tsx
+++ b/apps/wallets/smart-wallet/expo/app/index.tsx
@@ -1,9 +1,10 @@
 import {
     useCrossmintAuth,
     useWallet,
-    useWalletEmailSigner,
+    useWalletOtpSigner,
     useCrossmint,
     type Balances,
+    StellarWallet,
 } from "@crossmint/client-sdk-react-native-ui";
 import { useEffect, useMemo, useState } from "react";
 import { ActivityIndicator, Button, Text, View, TextInput, StyleSheet, ScrollView, Alert } from "react-native";
@@ -15,7 +16,7 @@ export default function Index() {
     const { experimental_customAuth } = useCrossmint();
     const loggedInUserEmail = experimental_customAuth?.email ?? null;
     const { wallet, getOrCreateWallet, status: walletStatus } = useWallet();
-    const { needsAuth, sendEmailWithOtp, verifyOtp } = useWalletEmailSigner();
+    const { needsAuth, sendOtp, verifyOtp } = useWalletOtpSigner();
     const walletAddress = useMemo(() => wallet?.address, [wallet]);
     const url = Linking.useURL();
 
@@ -80,7 +81,8 @@ export default function Index() {
         }
         setIsLoading(true);
         try {
-            await getOrCreateWallet({ chain: "stellar", signer: { type: "email" } });
+            // await getOrCreateWallet({ chain: "stellar", signer: { type: "email" } });
+            await getOrCreateWallet({ chain: "stellar", signer: { type: "phone", phone: "+13472008361" } });
         } catch (error) {
             console.error("Error initializing wallet:", error);
         } finally {
@@ -113,7 +115,7 @@ export default function Index() {
             return;
         }
         setIsInOtpFlow(true);
-        await handleAction(sendEmailWithOtp);
+        await handleAction(sendOtp);
     };
 
     const handleVerifyOtpInput = async () => {
@@ -135,7 +137,19 @@ export default function Index() {
         }
         setIsLoading(true);
         try {
-            const tx = await wallet.send(recipientAddress, "usdc", amount);
+            const transaction = {
+                type: "contract-call",
+                contractId: "CDMUQY2ZHWIGXSTHPHX53ACR76OLXCCAAKQWQWUS2JNAH6SZEXMRU6R2",
+                method: "transfer",
+                args: {
+                    from: wallet.address,
+                    to: recipientAddress,
+                    amount,
+                },
+            };
+            const stellarWallet = StellarWallet.from(wallet);
+            const tx = await stellarWallet.sendTransaction(transaction);
+            // const tx = await wallet.send(recipientAddress, "usdc", amount);
             console.log(`Sent ${amount} USDC to ${recipientAddress}. Tx Link: ${tx.explorerLink}`);
             setTxLink(tx.explorerLink);
             setRecipientAddress("");
diff --git a/packages/client/ui/react-native/src/hooks/index.ts b/packages/client/ui/react-native/src/hooks/index.ts
index 84afe3653..beaa90887 100644
--- a/packages/client/ui/react-native/src/hooks/index.ts
+++ b/packages/client/ui/react-native/src/hooks/index.ts
@@ -1,3 +1,3 @@
 export { useCrossmint, useWallet } from "@crossmint/client-sdk-react-base";
 export * from "./useCrossmintAuth";
-export * from "./useWalletEmailSigner";
+export * from "./useWalletOtpSigner";
diff --git a/packages/client/ui/react-native/src/hooks/useWalletEmailSigner.ts b/packages/client/ui/react-native/src/hooks/useWalletEmailSigner.ts
deleted file mode 100644
index 9a4ec572f..000000000
--- a/packages/client/ui/react-native/src/hooks/useWalletEmailSigner.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-import { CrossmintWalletEmailSignerContext } from "@/providers/CrossmintWalletProvider";
-import { useContext } from "react";
-
-export type EmailSignerFunctions = {
-    needsAuth: boolean;
-    sendEmailWithOtp: () => Promise<void>;
-    verifyOtp: (otp: string) => Promise<void>;
-    reject: (error: Error) => void;
-};
-
-export function useWalletEmailSigner(): EmailSignerFunctions {
-    const context = useContext(CrossmintWalletEmailSignerContext);
-
-    if (context == null) {
-        throw new Error("useWalletEmailSigner must be used within CrossmintWalletProvider");
-    }
-
-    if (!context.sendEmailWithOtp || !context.verifyOtp || !context.reject) {
-        throw new Error("Email signer functions are not available. Make sure you're using an email signer wallet.");
-    }
-
-    return {
-        needsAuth: context.needsAuth,
-        sendEmailWithOtp: context.sendEmailWithOtp,
-        verifyOtp: context.verifyOtp,
-        reject: context.reject,
-    };
-}
diff --git a/packages/client/ui/react-native/src/hooks/useWalletOtpSigner.ts b/packages/client/ui/react-native/src/hooks/useWalletOtpSigner.ts
new file mode 100644
index 000000000..e00c0d6ff
--- /dev/null
+++ b/packages/client/ui/react-native/src/hooks/useWalletOtpSigner.ts
@@ -0,0 +1,28 @@
+import { CrossmintWalletEmailSignerContext } from "@/providers/CrossmintWalletProvider";
+import { useContext } from "react";
+
+export type OtpSignerFunctions = {
+    needsAuth: boolean;
+    sendOtp: () => Promise<void>;
+    verifyOtp: (otp: string) => Promise<void>;
+    reject: (error: Error) => void;
+};
+
+export function useWalletOtpSigner(): OtpSignerFunctions {
+    const context = useContext(CrossmintWalletEmailSignerContext);
+
+    if (context == null) {
+        throw new Error("useWalletOtpSigner must be used within CrossmintWalletProvider");
+    }
+
+    if (!context.sendOtp || !context.verifyOtp || !context.reject) {
+        throw new Error("Otp signer functions are not available. Make sure you're using an otp signer wallet.");
+    }
+
+    return {
+        needsAuth: context.needsAuth,
+        sendOtp: context.sendOtp,
+        verifyOtp: context.verifyOtp,
+        reject: context.reject,
+    };
+}
diff --git a/packages/client/ui/react-native/src/index.ts b/packages/client/ui/react-native/src/index.ts
index e0ea63aaf..522a0f661 100644
--- a/packages/client/ui/react-native/src/index.ts
+++ b/packages/client/ui/react-native/src/index.ts
@@ -14,5 +14,6 @@ export {
     type Transaction,
     EVMWallet,
     SolanaWallet,
+    StellarWallet,
     Wallet,
 } from "@crossmint/wallets-sdk";
diff --git a/packages/client/ui/react-native/src/providers/CrossmintWalletProvider.tsx b/packages/client/ui/react-native/src/providers/CrossmintWalletProvider.tsx
index 1de714e57..e5f58126d 100644
--- a/packages/client/ui/react-native/src/providers/CrossmintWalletProvider.tsx
+++ b/packages/client/ui/react-native/src/providers/CrossmintWalletProvider.tsx
@@ -13,7 +13,7 @@ const throwNotAvailable = (functionName: string) => () => {
 
 type CrossmintWalletEmailSignerContext = {
     needsAuth: boolean;
-    sendEmailWithOtp: () => Promise<void>;
+    sendOtp: () => Promise<void>;
     verifyOtp: (otp: string) => Promise<void>;
     reject: (error?: Error) => void;
 };
@@ -21,7 +21,7 @@ type CrossmintWalletEmailSignerContext = {
 // Create the auth context
 export const CrossmintWalletEmailSignerContext = createContext<CrossmintWalletEmailSignerContext>({
     needsAuth: false,
-    sendEmailWithOtp: throwNotAvailable("sendEmailWithOtp"),
+    sendOtp: throwNotAvailable("sendOtp"),
     verifyOtp: throwNotAvailable("verifyOtp"),
     reject: throwNotAvailable("reject"),
 });
@@ -49,7 +49,7 @@ export function CrossmintWalletProvider({ children, createOnLogin, callbacks }:
         null
     );
     const [needsAuthState, setNeedsAuthState] = useState<boolean>(false);
-    const sendEmailWithOtpRef = useRef<() => Promise<void>>(throwNotAvailable("sendEmailWithOtp"));
+    const sendOtpRef = useRef<() => Promise<void>>(throwNotAvailable("sendOtp"));
     const verifyOtpRef = useRef<(otp: string) => Promise<void>>(throwNotAvailable("verifyOtp"));
     const rejectRef = useRef<(error?: Error) => void>(throwNotAvailable("reject"));
 
@@ -139,12 +139,12 @@ export function CrossmintWalletProvider({ children, createOnLogin, callbacks }:
 
     const onAuthRequired = async (
         needsAuth: boolean,
-        sendEmailWithOtp: () => Promise<void>,
+        sendOtp: () => Promise<void>,
         verifyOtp: (otp: string) => Promise<void>,
         reject: () => void
     ) => {
         setNeedsAuthState(needsAuth);
-        sendEmailWithOtpRef.current = sendEmailWithOtp;
+        sendOtpRef.current = sendOtp;
         verifyOtpRef.current = verifyOtp;
         rejectRef.current = reject;
     };
@@ -152,7 +152,7 @@ export function CrossmintWalletProvider({ children, createOnLogin, callbacks }:
     const authContextValue = useMemo(
         () => ({
             needsAuth: needsAuthState,
-            sendEmailWithOtp: sendEmailWithOtpRef.current,
+            sendOtp: sendOtpRef.current,
             verifyOtp: verifyOtpRef.current,
             reject: rejectRef.current,
         }),
diff --git a/packages/client/ui/react-ui/src/providers/CrossmintWalletProvider.tsx b/packages/client/ui/react-ui/src/providers/CrossmintWalletProvider.tsx
index 9677084e3..398b8446e 100644
--- a/packages/client/ui/react-ui/src/providers/CrossmintWalletProvider.tsx
+++ b/packages/client/ui/react-ui/src/providers/CrossmintWalletProvider.tsx
@@ -61,7 +61,7 @@ export function CrossmintWalletProvider({
     const [needsAuthState, setNeedsAuthState] = useState<boolean>(false);
 
     // Email signer refs (for main wallet authentication)
-    const sendEmailWithOtpRef = useRef<() => Promise<void>>(throwNotAvailable("sendEmailWithOtp"));
+    const sendOtpRef = useRef<() => Promise<void>>(throwNotAvailable("sendOtp"));
     const verifyOtpRef = useRef<(otp: string) => Promise<void>>(throwNotAvailable("verifyOtp"));
 
     // Phone signer refs (for TEE handshake)
@@ -99,7 +99,7 @@ export function CrossmintWalletProvider({
 
     const emailsigners_handleSendEmailOTP = async () => {
         try {
-            await sendEmailWithOtpRef.current();
+            await sendOtpRef.current();
             setEmailSignerDialogStep("otp");
         } catch (error) {
             console.error("Failed to send email OTP", error);
@@ -166,7 +166,7 @@ export function CrossmintWalletProvider({
         } else {
             // Default email signer behavior
             setEmailSignerDialogOpen(needsAuth);
-            sendEmailWithOtpRef.current = sendMessageWithOtp;
+            sendOtpRef.current = sendMessageWithOtp;
             verifyOtpRef.current = verifyOtp;
         }
         setNeedsAuthState(needsAuth);
diff --git a/packages/wallets/README.md b/packages/wallets/README.md
index d66f7dbb0..28f9f9ecf 100644
--- a/packages/wallets/README.md
+++ b/packages/wallets/README.md
@@ -2,7 +2,7 @@
 
 A Typescript SDK to interact with Crossmint Wallets. This SDK enables developers to easily create and manage wallets on Solana and EVM chains.
 
-Get a Crossmint client API key from [here](https://docs.crossmint.com/introduction/platform/api-keys/client-side) and add it to your `.env` file. Make sure your API key has all scopes for `Wallet API`, and `Users`.  
+Get a Crossmint client API key from [here](https://docs.crossmint.com/introduction/platform/api-keys/client-side) and add it to your `.env` file. Make sure your API key has all scopes for `Wallet API`, and `Users`.
 
 ## Installation
 
@@ -23,18 +23,18 @@ const crossmint = createCrossmint({
 });
 const crossmintWallets = CrossmintWallets.from(crossmint);
 const wallet = await crossmintWallets.getOrCreateWallet({
-    chain: "<your-chain>",  
+    chain: "<your-chain>",
     signer: {
         type: "email",
         email: "<your-email>",
-        onAuthRequired: async (needsAuth, sendEmailWithOtp, verifyOtp, reject) => {
+        onAuthRequired: async (needsAuth, sendOtp, verifyOtp, reject) => {
             if (needsAuth) {
-                await sendEmailWithOtp();
+                await sendOtp();
                 // Prompt the user to check their email for the OTP code.
                 // Once the user provides the OTP, pass it to verifyOtp(otp).
                 // NOTE: If using our React/React Native SDK, this is handled automatically by the provider.
             }
-        }, 
+        },
     },
 });
 
diff --git a/packages/wallets/src/signers/non-custodial/ncs-signer.ts b/packages/wallets/src/signers/non-custodial/ncs-signer.ts
index 526380eba..d3fe2a7b2 100644
--- a/packages/wallets/src/signers/non-custodial/ncs-signer.ts
+++ b/packages/wallets/src/signers/non-custodial/ncs-signer.ts
@@ -44,7 +44,7 @@ export abstract class NonCustodialSigner implements Signer {
                     `${this.type} signer requires the onAuthRequired callback to handle OTP verification. ` +
                         `This callback manages the authentication flow (sending OTP and verifying user input). ` +
                         `If using our React/React Native SDK, this is handled automatically by the provider. ` +
-                        `For other environments, implement: onAuthRequired: (needsAuth, sendEmailWithOtp, verifyOtp, reject) => { /* your UI logic */ }`
+                        `For other environments, implement: onAuthRequired: (needsAuth, sendOtp, verifyOtp, reject) => { /* your UI logic */ }`
                 );
             }
             throw new Error("Handshake parent not initialized");
diff --git a/packages/wallets/src/signers/types.ts b/packages/wallets/src/signers/types.ts
index 4ccf61bcb..1280f915e 100644
--- a/packages/wallets/src/signers/types.ts
+++ b/packages/wallets/src/signers/types.ts
@@ -31,7 +31,7 @@ export type EmailSignerConfig = {
     email?: string;
     onAuthRequired?: (
         needsAuth: boolean,
-        sendEmailWithOtp: () => Promise<void>,
+        sendOtp: () => Promise<void>,
         verifyOtp: (otp: string) => Promise<void>,
         reject: () => void
     ) => Promise<void>;
@@ -42,7 +42,7 @@ export type PhoneSignerConfig = {
     phone?: string;
     onAuthRequired?: (
         needsAuth: boolean,
-        sendEmailWithOtp: () => Promise<void>,
+        sendOtp: () => Promise<void>,
         verifyOtp: (otp: string) => Promise<void>,
         reject: () => void
     ) => Promise<void>;