diff --git a/web/src/lib/AddIDModal.svelte b/web/src/lib/AddIDModal.svelte
new file mode 100644
index 0000000..894b63c
--- /dev/null
+++ b/web/src/lib/AddIDModal.svelte
@@ -0,0 +1,90 @@
+<script lang="ts">
+  import Modal from "./Modal.svelte";
+
+  let { onSubmitted }: { onSubmitted?: () => void } = $props();
+
+  let displayID = $state("");
+  let firstName = $state("");
+  let lastName = $state("");
+
+  let modal: Modal;
+
+  export function open(id: string) {
+    displayID = id;
+    modal.open();
+  }
+
+  function onsubmit() {
+    let data = {
+      id: displayID,
+      name: {
+        first: firstName,
+        last: lastName,
+      },
+    };
+
+    fetch("/api/mapping", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify(data),
+    }).then(() => {
+      onSubmitted?.();
+    });
+
+    firstName = "";
+    lastName = "";
+    displayID = "";
+  }
+</script>
+
+<Modal bind:this={modal}>
+  <form method="dialog" {onsubmit} class="flex flex-col">
+    <label class="form-row">
+      <span>ID:</span>
+      <input type="text" class="form-input" required bind:value={displayID} />
+    </label>
+
+    <label class="form-row">
+      <span>Vorname:</span>
+      <input type="text" class="form-input" required bind:value={firstName} />
+    </label>
+
+    <label class="form-row">
+      <span>Nachname:</span>
+      <input type="text" class="form-input" required bind:value={lastName} />
+    </label>
+
+    <div class="flex justify-end mt-3">
+      <button
+        type="reset"
+        class="mr-5 px-2 py-1 bg-red-500 rounded-2xl shadow-md"
+        onclick={() => {
+          modal.close();
+
+          firstName = "";
+          lastName = "";
+          displayID = "";
+        }}>Abbrechen</button
+      >
+      <button
+        type="submit"
+        class="px-2 py-1 bg-indigo-600 rounded-2xl shadow-md hover:bg-indigo-700 transition"
+        >Hinzufügen</button
+      >
+    </div>
+  </form>
+</Modal>
+
+<style scoped>
+  @reference "../app.css";
+
+  .form-row {
+    @apply flex justify-between;
+  }
+
+  .form-input {
+    @apply ml-10 border-b-1;
+  }
+</style>