diff --git a/frontend/src/client/@tanstack/react-query.gen.ts b/frontend/src/client/@tanstack/react-query.gen.ts
index 094cc5a..e43d877 100644
--- a/frontend/src/client/@tanstack/react-query.gen.ts
+++ b/frontend/src/client/@tanstack/react-query.gen.ts
@@ -19,7 +19,8 @@ import {
   deleteGuest,
   getGuest,
   updateGuest,
-  setGuestStatusApiV1EventsGuestsGuestIdStatusPatch,
+  setGuestStatus,
+  createGuestRsvp,
   getRsvps,
   createRsvp,
   deleteRsvp,
@@ -76,9 +77,12 @@ import type {
   UpdateGuestData,
   UpdateGuestError,
   UpdateGuestResponse,
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchData,
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchError,
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponse,
+  SetGuestStatusData,
+  SetGuestStatusError,
+  SetGuestStatusResponse,
+  CreateGuestRsvpData,
+  CreateGuestRsvpError,
+  CreateGuestRsvpResponse,
   GetRsvpsData,
   CreateRsvpData,
   CreateRsvpError,
@@ -609,18 +613,57 @@ export const updateGuestMutation = (
   return mutationOptions;
 };
 
-export const setGuestStatusApiV1EventsGuestsGuestIdStatusPatchMutation = (
-  options?: Partial<
-    Options<SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchData>
-  >,
+export const setGuestStatusMutation = (
+  options?: Partial<Options<SetGuestStatusData>>,
 ) => {
   const mutationOptions: UseMutationOptions<
-    SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponse,
-    AxiosError<SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchError>,
-    Options<SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchData>
+    SetGuestStatusResponse,
+    AxiosError<SetGuestStatusError>,
+    Options<SetGuestStatusData>
   > = {
     mutationFn: async (localOptions) => {
-      const { data } = await setGuestStatusApiV1EventsGuestsGuestIdStatusPatch({
+      const { data } = await setGuestStatus({
+        ...options,
+        ...localOptions,
+        throwOnError: true,
+      });
+      return data;
+    },
+  };
+  return mutationOptions;
+};
+
+export const createGuestRsvpQueryKey = (
+  options: Options<CreateGuestRsvpData>,
+) => createQueryKey("createGuestRsvp", options);
+
+export const createGuestRsvpOptions = (
+  options: Options<CreateGuestRsvpData>,
+) => {
+  return queryOptions({
+    queryFn: async ({ queryKey, signal }) => {
+      const { data } = await createGuestRsvp({
+        ...options,
+        ...queryKey[0],
+        signal,
+        throwOnError: true,
+      });
+      return data;
+    },
+    queryKey: createGuestRsvpQueryKey(options),
+  });
+};
+
+export const createGuestRsvpMutation = (
+  options?: Partial<Options<CreateGuestRsvpData>>,
+) => {
+  const mutationOptions: UseMutationOptions<
+    CreateGuestRsvpResponse,
+    AxiosError<CreateGuestRsvpError>,
+    Options<CreateGuestRsvpData>
+  > = {
+    mutationFn: async (localOptions) => {
+      const { data } = await createGuestRsvp({
         ...options,
         ...localOptions,
         throwOnError: true,
diff --git a/frontend/src/client/schemas.gen.ts b/frontend/src/client/schemas.gen.ts
index 9894ba1..f8aa7f2 100644
--- a/frontend/src/client/schemas.gen.ts
+++ b/frontend/src/client/schemas.gen.ts
@@ -1506,6 +1506,29 @@ export const GuestUpdateSchema = {
   title: "GuestUpdate",
 } as const;
 
+export const GuestWithRSVPResponseSchema = {
+  properties: {
+    guest: {
+      $ref: "#/components/schemas/GuestRead",
+    },
+    rsvp: {
+      anyOf: [
+        {
+          $ref: "#/components/schemas/RSVPSchema",
+        },
+        {
+          type: "null",
+        },
+      ],
+    },
+  },
+  type: "object",
+  required: ["guest"],
+  title: "GuestWithRSVPResponse",
+  description: `Combined response model that includes both guest and RSVP information.
+This gives the frontend a complete picture of the guest's response in a single object.`,
+} as const;
+
 export const HTTPValidationErrorSchema = {
   properties: {
     detail: {
diff --git a/frontend/src/client/sdk.gen.ts b/frontend/src/client/sdk.gen.ts
index a78a7b9..7b2f5d7 100644
--- a/frontend/src/client/sdk.gen.ts
+++ b/frontend/src/client/sdk.gen.ts
@@ -55,9 +55,12 @@ import type {
   UpdateGuestData,
   UpdateGuestResponse,
   UpdateGuestError,
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchData,
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponse,
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchError,
+  SetGuestStatusData,
+  SetGuestStatusResponse,
+  SetGuestStatusError,
+  CreateGuestRsvpData,
+  CreateGuestRsvpResponse,
+  CreateGuestRsvpError,
   GetRsvpsData,
   GetRsvpsResponse,
   GetRsvpsError,
@@ -493,17 +496,12 @@ export const updateGuest = <ThrowOnError extends boolean = false>(
 /**
  * Set Guest Status
  */
-export const setGuestStatusApiV1EventsGuestsGuestIdStatusPatch = <
-  ThrowOnError extends boolean = false,
->(
-  options: Options<
-    SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchData,
-    ThrowOnError
-  >,
+export const setGuestStatus = <ThrowOnError extends boolean = false>(
+  options: Options<SetGuestStatusData, ThrowOnError>,
 ) => {
   return (options.client ?? _heyApiClient).patch<
-    SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponse,
-    SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchError,
+    SetGuestStatusResponse,
+    SetGuestStatusError,
     ThrowOnError
   >({
     url: "/api/v1/events/guests/{guest_id}/status",
@@ -511,6 +509,26 @@ export const setGuestStatusApiV1EventsGuestsGuestIdStatusPatch = <
   });
 };
 
+/**
+ * Process Guest Rsvp
+ */
+export const createGuestRsvp = <ThrowOnError extends boolean = false>(
+  options: Options<CreateGuestRsvpData, ThrowOnError>,
+) => {
+  return (options.client ?? _heyApiClient).post<
+    CreateGuestRsvpResponse,
+    CreateGuestRsvpError,
+    ThrowOnError
+  >({
+    url: "/api/v1/events/guests/{guest_id}/rsvp",
+    ...options,
+    headers: {
+      "Content-Type": "application/json",
+      ...options?.headers,
+    },
+  });
+};
+
 /**
  * Read Rsvps
  */
diff --git a/frontend/src/client/types.gen.ts b/frontend/src/client/types.gen.ts
index 75ca693..b2e271c 100644
--- a/frontend/src/client/types.gen.ts
+++ b/frontend/src/client/types.gen.ts
@@ -240,6 +240,15 @@ export type GuestUpdate = {
   can_bring_guests?: boolean | null;
 };
 
+/**
+ * Combined response model that includes both guest and RSVP information.
+ * This gives the frontend a complete picture of the guest's response in a single object.
+ */
+export type GuestWithRsvpResponse = {
+  guest: GuestRead;
+  rsvp?: RsvpSchema | null;
+};
+
 export type HttpValidationError = {
   detail?: Array<ValidationError>;
 };
@@ -809,7 +818,7 @@ export type UpdateGuestResponses = {
 export type UpdateGuestResponse =
   UpdateGuestResponses[keyof UpdateGuestResponses];
 
-export type SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchData = {
+export type SetGuestStatusData = {
   body?: never;
   path: {
     guest_id: string;
@@ -820,25 +829,54 @@ export type SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchData = {
   url: "/api/v1/events/guests/{guest_id}/status";
 };
 
-export type SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchErrors = {
+export type SetGuestStatusErrors = {
   /**
    * Validation Error
    */
   422: HttpValidationError;
 };
 
-export type SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchError =
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchErrors[keyof SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchErrors];
+export type SetGuestStatusError =
+  SetGuestStatusErrors[keyof SetGuestStatusErrors];
 
-export type SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponses = {
+export type SetGuestStatusResponses = {
   /**
    * Successful Response
    */
   200: GuestRead;
 };
 
-export type SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponse =
-  SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponses[keyof SetGuestStatusApiV1EventsGuestsGuestIdStatusPatchResponses];
+export type SetGuestStatusResponse =
+  SetGuestStatusResponses[keyof SetGuestStatusResponses];
+
+export type CreateGuestRsvpData = {
+  body: RsvpSchemaCreate;
+  path: {
+    guest_id: string;
+  };
+  query?: never;
+  url: "/api/v1/events/guests/{guest_id}/rsvp";
+};
+
+export type CreateGuestRsvpErrors = {
+  /**
+   * Validation Error
+   */
+  422: HttpValidationError;
+};
+
+export type CreateGuestRsvpError =
+  CreateGuestRsvpErrors[keyof CreateGuestRsvpErrors];
+
+export type CreateGuestRsvpResponses = {
+  /**
+   * Successful Response
+   */
+  200: GuestWithRsvpResponse;
+};
+
+export type CreateGuestRsvpResponse =
+  CreateGuestRsvpResponses[keyof CreateGuestRsvpResponses];
 
 export type GetRsvpsData = {
   body?: never;