diff --git a/Sources/Auth/AuthClient.swift b/Sources/Auth/AuthClient.swift
index d2c383f0..23ec63e8 100644
--- a/Sources/Auth/AuthClient.swift
+++ b/Sources/Auth/AuthClient.swift
@@ -243,12 +243,14 @@ public final class AuthClient: Sendable {
   /// - Parameters:
   ///   - phone: User's phone number with international prefix.
   ///   - password: Password for the user.
+  ///   - channel: Messaging channel to use (e.g. whatsapp or sms).
   ///   - data: Custom data object to store additional user metadata.
   ///   - captchaToken: Optional captcha token for securing this endpoint.
   @discardableResult
   public func signUp(
     phone: String,
     password: String,
+    channel: MessagingChannel = .sms,
     data: [String: AnyJSON]? = nil,
     captchaToken: String? = nil
   ) async throws -> AuthResponse {
@@ -260,6 +262,7 @@ public final class AuthClient: Sendable {
           SignUpRequest(
             password: password,
             phone: phone,
+            channel: channel,
             data: data,
             gotrueMetaSecurity: captchaToken.map(AuthMetaSecurity.init(captchaToken:))
           )
diff --git a/Sources/Auth/Types.swift b/Sources/Auth/Types.swift
index 3a56ea18..6e51684b 100644
--- a/Sources/Auth/Types.swift
+++ b/Sources/Auth/Types.swift
@@ -46,6 +46,7 @@ struct SignUpRequest: Codable, Hashable, Sendable {
   var email: String?
   var password: String?
   var phone: String?
+  var channel: MessagingChannel?
   var data: [String: AnyJSON]?
   var gotrueMetaSecurity: AuthMetaSecurity?
   var codeChallenge: String?
diff --git a/Tests/AuthTests/RequestsTests.swift b/Tests/AuthTests/RequestsTests.swift
index a2b36c79..1152c2d1 100644
--- a/Tests/AuthTests/RequestsTests.swift
+++ b/Tests/AuthTests/RequestsTests.swift
@@ -5,13 +5,14 @@
 //  Created by Guilherme Souza on 07/10/23.
 //
 
-@testable import Auth
 import Helpers
 import InlineSnapshotTesting
 import SnapshotTesting
 import TestHelpers
 import XCTest
 
+@testable import Auth
+
 #if canImport(FoundationNetworking)
   import FoundationNetworking
 #endif
@@ -126,7 +127,7 @@ final class RequestsTests: XCTestCase {
       url,
       URL(
         string:
-        "http://localhost:54321/auth/v1/authorize?provider=github&scopes=read,write&redirect_to=https://dummy-url.com/redirect&extra_key=extra_value"
+          "http://localhost:54321/auth/v1/authorize?provider=github&scopes=read,write&redirect_to=https://dummy-url.com/redirect&extra_key=extra_value"
       )!
     )
   }
@@ -152,7 +153,7 @@ final class RequestsTests: XCTestCase {
 
       let url = URL(
         string:
-        "https://dummy-url.com/callback#access_token=accesstoken&expires_in=60&refresh_token=refreshtoken&token_type=bearer"
+          "https://dummy-url.com/callback#access_token=accesstoken&expires_in=60&refresh_token=refreshtoken&token_type=bearer"
       )!
 
       let session = try await sut.session(from: url)
@@ -173,7 +174,7 @@ final class RequestsTests: XCTestCase {
 
     let url = URL(
       string:
-      "https://dummy-url.com/callback#access_token=accesstoken&expires_in=60&refresh_token=refreshtoken"
+        "https://dummy-url.com/callback#access_token=accesstoken&expires_in=60&refresh_token=refreshtoken"
     )!
 
     do {
@@ -430,7 +431,8 @@ final class RequestsTests: XCTestCase {
     Dependencies[sut.clientID].sessionStorage.store(.validSession)
 
     await assert {
-      _ = try await sut.mfa.enroll(params: MFAEnrollParams(issuer: "supabase.com", friendlyName: "test"))
+      _ = try await sut.mfa.enroll(
+        params: MFAEnrollParams(issuer: "supabase.com", friendlyName: "test"))
     }
   }
 
@@ -480,7 +482,8 @@ final class RequestsTests: XCTestCase {
     Dependencies[sut.clientID].sessionStorage.store(.validSession)
 
     await assert {
-      _ = try await sut.mfa.verify(params: .init(factorId: "123", challengeId: "123", code: "123456"))
+      _ = try await sut.mfa.verify(
+        params: .init(factorId: "123", challengeId: "123", code: "123456"))
     }
   }
 
diff --git a/Tests/AuthTests/__Snapshots__/RequestsTests/testSignUpWithPhoneAndPassword.1.txt b/Tests/AuthTests/__Snapshots__/RequestsTests/testSignUpWithPhoneAndPassword.1.txt
index 7bcbc227..ef8b6abd 100644
--- a/Tests/AuthTests/__Snapshots__/RequestsTests/testSignUpWithPhoneAndPassword.1.txt
+++ b/Tests/AuthTests/__Snapshots__/RequestsTests/testSignUpWithPhoneAndPassword.1.txt
@@ -4,5 +4,5 @@ curl \
 	--header "Content-Type: application/json" \
 	--header "X-Client-Info: gotrue-swift/x.y.z" \
 	--header "X-Supabase-Api-Version: 2024-01-01" \
-	--data "{\"data\":{\"custom_key\":\"custom_value\"},\"gotrue_meta_security\":{\"captcha_token\":\"dummy-captcha\"},\"password\":\"the.pass\",\"phone\":\"+1 202-918-2132\"}" \
+	--data "{\"channel\":\"sms\",\"data\":{\"custom_key\":\"custom_value\"},\"gotrue_meta_security\":{\"captcha_token\":\"dummy-captcha\"},\"password\":\"the.pass\",\"phone\":\"+1 202-918-2132\"}" \
 	"http://localhost:54321/auth/v1/signup"
\ No newline at end of file