diff --git a/src/App.tsx b/src/App.tsx
index 0cfa5ca..07e1eeb 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -4,11 +4,13 @@ import { SSOPage } from "@/pages/SSOPage";
 import { HomePage } from "@/pages/HomePage";
 import { ViewAppPage } from "@/pages/ViewAppPage";
 import { Page } from "@/components/Page";
+import { InstantSetupPage } from "@/pages/InstantSetupPage";
 
 export function App() {
   return (
     <BrowserRouter>
       <Routes>
+        <Route path="/instant-setup" element={<InstantSetupPage />} />
         <Route path="/" element={<Page />}>
           <Route path="/" element={<HomePage />} />
           <Route path="/apps/:appId" element={<ViewAppPage />} />
diff --git a/src/lib/saml.ts b/src/lib/saml.ts
index e16a0d1..0c46990 100644
--- a/src/lib/saml.ts
+++ b/src/lib/saml.ts
@@ -1,6 +1,8 @@
 export interface AssertionData {
   idpEntityId: string;
   subjectId: string;
+  firstName: string;
+  lastName: string;
   sessionId: string;
   now: string;
   expire: string;
@@ -28,7 +30,7 @@ function signedAssertion(
   digest: string,
   signature: string,
 ): string {
-  return `<saml2p:Response xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"><saml2:Assertion xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"><ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><ds:Reference><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><ds:DigestValue>${digest}</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>${signature}</ds:SignatureValue></ds:Signature><saml2:Issuer>${assertionData.idpEntityId}</saml2:Issuer><saml2:Subject><saml2:NameID>${assertionData.subjectId}</saml2:NameID><saml2:SubjectConfirmation><saml2:SubjectConfirmationData InResponseTo="${assertionData.sessionId}"></saml2:SubjectConfirmationData></saml2:SubjectConfirmation></saml2:Subject><saml2:Conditions NotBefore="${assertionData.now}" NotOnOrAfter="${assertionData.expire}"><saml2:AudienceRestriction><saml2:Audience>${assertionData.spEntityId}</saml2:Audience></saml2:AudienceRestriction></saml2:Conditions></saml2:Assertion></saml2p:Response>`;
+  return `<saml2p:Response xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"><saml2:Assertion xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"><ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><ds:Reference><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><ds:DigestValue>${digest}</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>${signature}</ds:SignatureValue></ds:Signature><saml2:Issuer>${assertionData.idpEntityId}</saml2:Issuer><saml2:Subject><saml2:NameID>${assertionData.subjectId}</saml2:NameID><saml2:SubjectConfirmation><saml2:SubjectConfirmationData InResponseTo="${assertionData.sessionId}"></saml2:SubjectConfirmationData></saml2:SubjectConfirmation></saml2:Subject><saml2:Conditions NotBefore="${assertionData.now}" NotOnOrAfter="${assertionData.expire}"><saml2:AudienceRestriction><saml2:Audience>${assertionData.spEntityId}</saml2:Audience></saml2:AudienceRestriction></saml2:Conditions><saml2:AttributeStatement><saml2:Attribute Name="firstName"><saml2:AttributeValue>${assertionData.firstName}</saml2:AttributeValue></saml2:Attribute><saml2:Attribute Name="lastName"><saml2:AttributeValue>${assertionData.lastName}</saml2:AttributeValue></saml2:Attribute></saml2:AttributeStatement></saml2:Assertion></saml2p:Response>`;
 }
 
 async function signatureValue(
@@ -59,7 +61,7 @@ async function digestValue(assertionData: AssertionData): Promise<string> {
 }
 
 function digestPart(assertionData: AssertionData): string {
-  return `<saml2:Assertion xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"><saml2:Issuer>${assertionData.idpEntityId}</saml2:Issuer><saml2:Subject><saml2:NameID>${assertionData.subjectId}</saml2:NameID><saml2:SubjectConfirmation><saml2:SubjectConfirmationData InResponseTo="${assertionData.sessionId}"></saml2:SubjectConfirmationData></saml2:SubjectConfirmation></saml2:Subject><saml2:Conditions NotBefore="${assertionData.now}" NotOnOrAfter="${assertionData.expire}"><saml2:AudienceRestriction><saml2:Audience>${assertionData.spEntityId}</saml2:Audience></saml2:AudienceRestriction></saml2:Conditions></saml2:Assertion>`;
+  return `<saml2:Assertion xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"><saml2:Issuer>${assertionData.idpEntityId}</saml2:Issuer><saml2:Subject><saml2:NameID>${assertionData.subjectId}</saml2:NameID><saml2:SubjectConfirmation><saml2:SubjectConfirmationData InResponseTo="${assertionData.sessionId}"></saml2:SubjectConfirmationData></saml2:SubjectConfirmation></saml2:Subject><saml2:Conditions NotBefore="${assertionData.now}" NotOnOrAfter="${assertionData.expire}"><saml2:AudienceRestriction><saml2:Audience>${assertionData.spEntityId}</saml2:Audience></saml2:AudienceRestriction></saml2:Conditions><saml2:AttributeStatement><saml2:Attribute Name="firstName"><saml2:AttributeValue>${assertionData.firstName}</saml2:AttributeValue></saml2:Attribute><saml2:Attribute Name="lastName"><saml2:AttributeValue>${assertionData.lastName}</saml2:AttributeValue></saml2:Attribute></saml2:AttributeStatement></saml2:Assertion>`;
 }
 
 function arrayBufferToBase64(buffer: ArrayBuffer): string {
diff --git a/src/pages/HomePage.tsx b/src/pages/HomePage.tsx
index 788df9b..b918a41 100644
--- a/src/pages/HomePage.tsx
+++ b/src/pages/HomePage.tsx
@@ -9,18 +9,17 @@ export function HomePage() {
   const navigate = useNavigate();
   const handleCreateApp = () => {
     const id = uuidv4();
-    const newState = {
+    setStoreData({
       ...storeData,
       apps: {
         ...storeData.apps,
         [id]: {
           id,
           spAcsUrl: "",
+          spEntityId: "",
         },
       },
-    };
-    console.log("want new state", newState);
-    setStoreData(newState);
+    });
 
     navigate(`/apps/${id}`);
   };
diff --git a/src/pages/InstantSetupPage.tsx b/src/pages/InstantSetupPage.tsx
new file mode 100644
index 0000000..d34ac35
--- /dev/null
+++ b/src/pages/InstantSetupPage.tsx
@@ -0,0 +1,38 @@
+import React, { useEffect } from "react";
+import { createSearchParams, useSearchParams } from "react-router-dom";
+import { useNavigate } from "react-router";
+import { useStore } from "@/lib/store";
+
+export function InstantSetupPage() {
+  const [storeData, setStoreData] = useStore();
+  const [searchParams] = useSearchParams();
+
+  const appId = searchParams.get("appId")!;
+  const spAcsUrl = searchParams.get("spAcsUrl")!;
+  const spEntityId = searchParams.get("spEntityId")!;
+  const email = searchParams.get("email")!;
+  const firstName = searchParams.get("firstName")!;
+  const lastName = searchParams.get("lastName")!;
+
+  const navigate = useNavigate();
+  useEffect(() => {
+    setStoreData({
+      ...storeData,
+      apps: {
+        ...storeData.apps,
+        [appId]: {
+          id: appId,
+          spAcsUrl,
+          spEntityId,
+        },
+      },
+    });
+
+    navigate({
+      pathname: `/apps/${appId}/sso`,
+      search: createSearchParams({ email, firstName, lastName }).toString(),
+    });
+  }, [appId, spAcsUrl, spEntityId]);
+
+  return <></>;
+}
diff --git a/src/pages/SSOPage.tsx b/src/pages/SSOPage.tsx
index e371f5d..b81afa3 100644
--- a/src/pages/SSOPage.tsx
+++ b/src/pages/SSOPage.tsx
@@ -26,6 +26,7 @@ import {
 } from "@/components/ui/card";
 import { useSearchParams } from "react-router-dom";
 import moment from "moment";
+import { clsx } from "clsx";
 
 const formSchema = z.object({
   email: z.string().email({ message: "Email must be a well-formed email." }),
@@ -39,6 +40,9 @@ export function SSOPage() {
   const app = storeData.apps[appId!];
 
   const [searchParams] = useSearchParams();
+  const email = searchParams.get("email");
+  const firstName = searchParams.get("firstName");
+  const lastName = searchParams.get("lastName");
   const samlRequest = searchParams.get("SAMLRequest");
 
   const [sessionId, setSessionId] = useState("");
@@ -71,9 +75,9 @@ export function SSOPage() {
   const form = useForm<z.infer<typeof formSchema>>({
     resolver: zodResolver(formSchema),
     defaultValues: {
-      email: "",
-      firstName: "",
-      lastName: "",
+      email: email ?? "",
+      firstName: firstName ?? "",
+      lastName: lastName ?? "",
     },
   });
 
@@ -95,6 +99,8 @@ export function SSOPage() {
     inputRef.current!.value = await encodeAssertion(key, {
       idpEntityId: `https://dummyidp.com/apps/${app.id}`,
       subjectId: values.email,
+      firstName: values.firstName,
+      lastName: values.lastName,
       spEntityId: app.spEntityId,
       sessionId: sessionId,
       now: now.format(),
@@ -134,7 +140,7 @@ export function SSOPage() {
                   <FormItem className="col-span-2">
                     <FormLabel>Email</FormLabel>
                     <FormControl>
-                      <Input type="email" {...field} />
+                      <Input disabled={!!email} type="email" {...field} />
                     </FormControl>
                     <FormMessage />
                   </FormItem>
@@ -148,7 +154,7 @@ export function SSOPage() {
                   <FormItem className="col-span-1">
                     <FormLabel>First Name</FormLabel>
                     <FormControl>
-                      <Input {...field} />
+                      <Input disabled={!!firstName} {...field} />
                     </FormControl>
                     <FormMessage />
                   </FormItem>
@@ -162,7 +168,7 @@ export function SSOPage() {
                   <FormItem className="col-span-1">
                     <FormLabel>Last Name</FormLabel>
                     <FormControl>
-                      <Input {...field} />
+                      <Input disabled={!!lastName} {...field} />
                     </FormControl>
                     <FormMessage />
                   </FormItem>
@@ -170,7 +176,14 @@ export function SSOPage() {
               />
 
               <div className="col-span-2 flex justify-end">
-                <Button>Log on</Button>
+                <Button
+                  className={clsx(
+                    email &&
+                      "bg-gradient-to-r from-indigo-500 via-purple-500 to-pink-500 shadow-xl",
+                  )}
+                >
+                  Log on
+                </Button>
               </div>
             </form>
           </Form>