diff --git a/apps/amm/src/AmmUiBackend.cpp b/apps/amm/src/AmmUiBackend.cpp
index 13223de..714ce96 100644
--- a/apps/amm/src/AmmUiBackend.cpp
+++ b/apps/amm/src/AmmUiBackend.cpp
@@ -210,7 +210,7 @@ void AmmUiBackend::syncWalletState()
     setSequencerAddr(state.sequencerAddress);
     setSequencerReachable(state.sequencerReachable);
 
-    m_sequencer->configure(state.configPath);
+    m_sequencer->configure(state.configPath, state.sequencerAddress);
 
     const bool addressChanged = previousAddress != state.sequencerAddress;
     if ((walletCouldSubmit && !state.canSubmit()) || addressChanged)
diff --git a/apps/amm/src/SequencerClient.cpp b/apps/amm/src/SequencerClient.cpp
index 94c0e79..d199895 100644
--- a/apps/amm/src/SequencerClient.cpp
+++ b/apps/amm/src/SequencerClient.cpp
@@ -80,20 +80,24 @@ SequencerClient::SequencerClient(AmmClient* client, QObject* parent)
 {
 }
 
-bool SequencerClient::configure(const QString& configPath)
+bool SequencerClient::configure(const QString& configPath,
+                                const QString& effectiveEndpoint)
 {
-    QUrl endpoint;
+    QUrl configuredEndpoint;
     QByteArray authorization;
     QFile file(configPath);
-    bool valid = file.open(QIODevice::ReadOnly);
-    if (valid) {
+    bool configValid = file.open(QIODevice::ReadOnly);
+    if (configValid) {
         const QJsonDocument document = QJsonDocument::fromJson(file.readAll());
         const QJsonObject config = document.object();
-        endpoint = QUrl(config.value(QStringLiteral("sequencer_addr")).toString());
-        const QString scheme = endpoint.scheme().toLower();
-        valid = document.isObject() && endpoint.isValid() && !endpoint.host().isEmpty()
+        configuredEndpoint = QUrl(
+            config.value(QStringLiteral("sequencer_addr")).toString());
+        const QString scheme = configuredEndpoint.scheme().toLower();
+        configValid = document.isObject()
+            && configuredEndpoint.isValid()
+            && !configuredEndpoint.host().isEmpty()
             && (scheme == QStringLiteral("http") || scheme == QStringLiteral("https"));
-        if (valid) {
+        if (configValid) {
             const QJsonObject basicAuth = config.value(QStringLiteral("basic_auth")).toObject();
             const QString username = basicAuth.value(QStringLiteral("username")).toString();
             const QString password = basicAuth.value(QStringLiteral("password")).toString();
@@ -103,10 +107,18 @@ bool SequencerClient::configure(const QString& configPath)
             }
         }
     }
-    if (!valid) {
+
+    QUrl endpoint = effectiveEndpoint.isEmpty()
+        ? configuredEndpoint : QUrl(effectiveEndpoint);
+    const QString scheme = endpoint.scheme().toLower();
+    const bool valid = endpoint.isValid()
+        && !endpoint.host().isEmpty()
+        && (scheme == QStringLiteral("http") || scheme == QStringLiteral("https"))
+        && (configValid || !effectiveEndpoint.isEmpty());
+    if (!valid)
         endpoint = QUrl();
+    if (!configValid || configuredEndpoint != endpoint)
         authorization.clear();
-    }
     if (endpoint == m_endpoint && authorization == m_authorization)
         return valid;
 
diff --git a/apps/amm/src/SequencerClient.h b/apps/amm/src/SequencerClient.h
index cbcd789..342ad7b 100644
--- a/apps/amm/src/SequencerClient.h
+++ b/apps/amm/src/SequencerClient.h
@@ -25,7 +25,8 @@ public:
 
     explicit SequencerClient(AmmClient* client, QObject* parent = nullptr);
 
-    bool configure(const QString& configPath);
+    bool configure(const QString& configPath,
+                   const QString& effectiveEndpoint = {});
     QString endpoint() const { return m_endpoint.toString(); }
     bool isConfigured() const { return m_endpoint.isValid() && !m_endpoint.isEmpty(); }
     void applyAuthorization(QNetworkRequest& request) const;
diff --git a/apps/amm/tests/cpp/NewPositionRuntimeTest.cpp b/apps/amm/tests/cpp/NewPositionRuntimeTest.cpp
index c404779..ec03d94 100644
--- a/apps/amm/tests/cpp/NewPositionRuntimeTest.cpp
+++ b/apps/amm/tests/cpp/NewPositionRuntimeTest.cpp
@@ -53,6 +53,10 @@ namespace {
         }
 
         int requestCount() const { return m_requestCount; }
+        QByteArray lastRequest() const
+        {
+            return m_lastRequest;
+        }
         void failNextRequest() { ++m_failuresRemaining; }
         void holdResponses() { m_holdResponses = true; }
         void releaseNextResponse()
@@ -108,6 +112,7 @@ namespace {
                 return;
 
             ++m_requestCount;
+            m_lastRequest = request;
             const bool fail = m_failuresRemaining > 0;
             if (fail)
                 --m_failuresRemaining;
@@ -121,6 +126,7 @@ namespace {
 
         QTcpServer m_server;
         QHash<QTcpSocket*, QByteArray> m_requests;
+        QByteArray m_lastRequest;
         int m_requestCount = 0;
         int m_failuresRemaining = 0;
         bool m_holdResponses = false;
@@ -480,6 +486,64 @@ int main(int argc, char** argv)
                 "stale quote should have no wallet side effects"))
         return 1;
 
+    LocalRpcServer configuredEndpointServer;
+    LocalRpcServer adoptedEndpointServer;
+    if (!expect(configuredEndpointServer.listen()
+                    && adoptedEndpointServer.listen(),
+                "endpoint-alignment sequencers should listen"))
+        return 1;
+    QTemporaryFile endpointConfig;
+    if (!expect(endpointConfig.open(), "endpoint-alignment config should open"))
+        return 1;
+    endpointConfig.write(QJsonDocument(QJsonObject {
+        { QStringLiteral("sequencer_addr"), configuredEndpointServer.endpoint() },
+        { QStringLiteral("basic_auth"), QJsonObject {
+            { QStringLiteral("username"), QStringLiteral("user") },
+            { QStringLiteral("password"), QStringLiteral("pass") },
+        } },
+    }).toJson(QJsonDocument::Compact));
+    endpointConfig.flush();
+    FakeAmmClient endpointClient;
+    SequencerClient alignedSequencer(&endpointClient);
+    if (!expect(alignedSequencer.configure(
+                    endpointConfig.fileName(), adoptedEndpointServer.endpoint()),
+                "adopted wallet endpoint should configure"))
+        return 1;
+    if (!expect(alignedSequencer.endpoint() == adoptedEndpointServer.endpoint(),
+                "adopted wallet endpoint should override stale config"))
+        return 1;
+    QVector<WalletAccountRead> adoptedEndpointReads;
+    const QString endpointAccount(64, QLatin1Char('3'));
+    if (!expect(waitForAccounts(
+                    alignedSequencer, { endpointAccount }, false,
+                    &adoptedEndpointReads),
+                "adopted endpoint read should complete"))
+        return 1;
+    if (!expect(configuredEndpointServer.requestCount() == 0
+                    && adoptedEndpointServer.requestCount() == 1,
+                "direct reads should follow adopted wallet endpoint"))
+        return 1;
+    if (!expect(!adoptedEndpointServer.lastRequest().toLower().contains(
+                    "authorization:"),
+                "stale config credentials must not reach adopted endpoint"))
+        return 1;
+
+    if (!expect(alignedSequencer.configure(
+                    endpointConfig.fileName(), configuredEndpointServer.endpoint()),
+                "matching wallet endpoint should configure"))
+        return 1;
+    QVector<WalletAccountRead> configuredEndpointReads;
+    if (!expect(waitForAccounts(
+                    alignedSequencer, { endpointAccount }, false,
+                    &configuredEndpointReads),
+                "matching endpoint read should complete"))
+        return 1;
+    if (!expect(configuredEndpointServer.requestCount() == 1
+                    && configuredEndpointServer.lastRequest().toLower().contains(
+                        "authorization: basic dxnlcjpwyxnz"),
+                "matching endpoint should retain configured credentials"))
+        return 1;
+
     LocalRpcServer server;
     if (!expect(server.listen(), "local sequencer should listen"))
         return 1;