diff --git a/README.md b/README.md
index 0682bf0d1c..a932ca0d9d 100644
--- a/README.md
+++ b/README.md
@@ -151,7 +151,7 @@ A `Field` represents a user input field shown in the Puck interface.
 - **label** (`text` [optional]): A label for the input. Will use the key if not provided.
 - **arrayFields** (`object`): Object describing sub-fields for items in an `array` input
   - **[fieldName]** (`Field`): The Field objects describing the input data for each item
-- **getItemSummary** (`(object, number) => string` [optional]): Function to get the name of each item when using an `array` field type
+- **getItemSummary** (`(object, number) => string` [optional]): Function to get the name of each item when using the `array` or `external` field types
 - **defaultItemProps** (`object` [optional]): Default props to pass to each new item added, when using a `array` field type
 - **options** (`object[]`): array of items to render for select-type inputs
   - **label** (`string`)
diff --git a/apps/demo/app/configs/custom/blocks/Hero/index.tsx b/apps/demo/app/configs/custom/blocks/Hero/index.tsx
index 48f68021fe..c60dcc8393 100644
--- a/apps/demo/app/configs/custom/blocks/Hero/index.tsx
+++ b/apps/demo/app/configs/custom/blocks/Hero/index.tsx
@@ -5,10 +5,12 @@ import styles from "./styles.module.css";
 import { getClassNameFactory } from "@measured/puck/lib";
 import { Button } from "@measured/puck/components/Button";
 import { Section } from "../../components/Section";
+import createAdaptor from "@measured/puck-adaptor-fetch/index";
 
 const getClassName = getClassNameFactory("Hero", styles);
 
 export type HeroProps = {
+  _data?: object;
   title: string;
   description: string;
   align?: string;
@@ -18,8 +20,30 @@ export type HeroProps = {
   buttons: { label: string; href: string; variant?: "primary" | "secondary" }[];
 };
 
+const quotesAdaptor = createAdaptor(
+  "Quotes API",
+  "https://api.quotable.io/quotes",
+  (body) =>
+    body.results.map((item) => ({
+      ...item,
+      title: item.author,
+      description: item.content,
+    }))
+);
+
 export const Hero: ComponentConfig<HeroProps> = {
   fields: {
+    _data: {
+      type: "external",
+      adaptor: quotesAdaptor,
+      adaptorParams: {
+        resource: "movies",
+        url: "http://localhost:1337",
+        apiToken:
+          "1fb8c347243145a8824481bd1008b95367677654ebc1f06c5a0a766e57b8859bcfde77f9b21405011f20eb8a13abb7b0ea3ba2393167ffc4a2cdc3828586494cc9983d5f1db4bc195ff4afb885aa55ee28a88ca796e7b883b9e9b80c98b50eadf79f5a1639ce8e2ae4cf63c2e8b8659a8cbbfeaa8e8adcce222b827eec49f989",
+      },
+      getItemSummary: (item: any) => item.content,
+    },
     title: { type: "text" },
     description: { type: "textarea" },
     buttons: {
diff --git a/packages/adaptor-fetch/README.md b/packages/adaptor-fetch/README.md
index db70e1a223..33fe22c1e8 100644
--- a/packages/adaptor-fetch/README.md
+++ b/packages/adaptor-fetch/README.md
@@ -15,11 +15,18 @@ Create an adaptor using the [fetch() API](https://developer.mozilla.org/en-US/do
 ```jsx
 import createAdaptor from "@measured/puck-adaptor-fetch";
 
-const movieAdaptor = createAdaptor("http://localhost:1337/api/movies", {
-  headers: {
-    Authorization: "Bearer abc123",
+const movieAdaptor = createAdaptor(
+  "Movies API",
+  "http://localhost:1337/api/movies",
+  // Optional request data
+  {
+    headers: {
+      Authorization: "Bearer abc123",
+    },
   },
-});
+  // Optional mapping function
+  (body) => body.data
+);
 ```
 
 Configure your Puck instance. In this case, we add our `movieAdaptor` to the `movie` field on our "MovieBlock" component:
diff --git a/packages/adaptor-fetch/index.ts b/packages/adaptor-fetch/index.ts
index 347492e96c..c8aa4b1244 100644
--- a/packages/adaptor-fetch/index.ts
+++ b/packages/adaptor-fetch/index.ts
@@ -1,15 +1,40 @@
-export const createAdaptor = (
+import { Adaptor } from "@measured/puck";
+
+function createAdaptor(
+  name: string,
+  input: RequestInfo | URL,
+  map?: (data: any) => Record<string, any>[]
+): Adaptor;
+
+function createAdaptor(
+  name: string,
   input: RequestInfo | URL,
   init?: RequestInit,
-  name: string = "API"
-) => ({
-  name,
-  fetchList: async () => {
-    const res = await fetch(input, init);
-    const body: { data: Record<string, any>[] } = await res.json();
-
-    return body.data;
-  },
-});
+  map?: (data: any) => Record<string, any>[]
+): Adaptor;
+
+function createAdaptor(
+  name: string,
+  input: RequestInfo | URL,
+  initOrMap?: unknown,
+  map?: (data: any) => Record<string, any>[]
+): Adaptor {
+  return {
+    name,
+    fetchList: async () => {
+      if (typeof initOrMap === "function") {
+        const res = await fetch(input);
+        const body = await res.json();
+
+        return initOrMap(body);
+      }
+
+      const res = await fetch(input, initOrMap as RequestInit);
+      const body = await res.json();
+
+      return map ? map(body) : body;
+    },
+  };
+}
 
 export default createAdaptor;
diff --git a/packages/adaptor-strapi/index.ts b/packages/adaptor-strapi/index.ts
index 76bf621fc7..9c7abda707 100644
--- a/packages/adaptor-strapi/index.ts
+++ b/packages/adaptor-strapi/index.ts
@@ -1,27 +1,19 @@
-import { Adaptor } from "@measured/puck/types/Config";
+import createAdaptor from "@measured/puck-adaptor-fetch/index";
 
-type AdaptorParams = { apiToken: string; url: string; resource: string };
+const createStrapiAdaptor = (url: string, apiToken: string) =>
+  createAdaptor(
+    "Strapi.js",
+    url,
+    {
+      headers: {
+        Authorization: `bearer ${apiToken}`,
+      },
+    },
+    (body) =>
+      body.data.map(({ attributes, ...item }) => ({
+        ...item,
+        ...attributes,
+      }))
+  );
 
-const strapiAdaptor: Adaptor<AdaptorParams> = {
-  name: "Strapi.js",
-  fetchList: async (adaptorParams) => {
-    if (!adaptorParams) {
-      return null;
-    }
-
-    const res = await fetch(
-      `${adaptorParams.url}/api/${adaptorParams.resource}`,
-      {
-        headers: {
-          Authorization: `bearer ${adaptorParams.apiToken}`,
-        },
-      }
-    );
-
-    const body: { data: Record<string, any>[] } = await res.json();
-
-    return body.data;
-  },
-};
-
-export default strapiAdaptor;
+export default createStrapiAdaptor;
diff --git a/packages/core/components/ExternalInput/index.tsx b/packages/core/components/ExternalInput/index.tsx
index c46ad352c4..31b4f0db7c 100644
--- a/packages/core/components/ExternalInput/index.tsx
+++ b/packages/core/components/ExternalInput/index.tsx
@@ -48,7 +48,9 @@ export const ExternalInput = ({
         >
           {/* NB this is hardcoded to strapi for now */}
           {selectedData
-            ? selectedData.attributes.title
+            ? field.getItemSummary
+              ? field.getItemSummary(selectedData)
+              : `${field.adaptor.name} item`
             : `Select from ${field.adaptor.name}`}
         </button>
         {selectedData && (
@@ -75,7 +77,7 @@ export const ExternalInput = ({
               <table>
                 <thead>
                   <tr>
-                    {Object.keys(data[0].attributes).map((key) => (
+                    {Object.keys(data[0]).map((key) => (
                       <th key={key} style={{ textAlign: "left" }}>
                         {key}
                       </th>
@@ -83,10 +85,10 @@ export const ExternalInput = ({
                   </tr>
                 </thead>
                 <tbody>
-                  {data.map((item) => {
+                  {data.map((item, i) => {
                     return (
                       <tr
-                        key={item.id}
+                        key={i}
                         style={{ whiteSpace: "nowrap" }}
                         onClick={(e) => {
                           onChange(item);
@@ -96,8 +98,8 @@ export const ExternalInput = ({
                           setSelectedData(item);
                         }}
                       >
-                        {Object.keys(item.attributes).map((key) => (
-                          <td key={key}>{item.attributes[key]}</td>
+                        {Object.keys(item).map((key) => (
+                          <td key={key}>{item[key]}</td>
                         ))}
                       </tr>
                     );
@@ -106,7 +108,7 @@ export const ExternalInput = ({
               </table>
             </div>
           ) : (
-            <div>No content</div>
+            <div style={{ padding: 24 }}>No content</div>
           )}
         </div>
       </div>
diff --git a/packages/core/components/Puck/index.tsx b/packages/core/components/Puck/index.tsx
index f1e17a1d0c..70a4789039 100644
--- a/packages/core/components/Puck/index.tsx
+++ b/packages/core/components/Puck/index.tsx
@@ -428,7 +428,7 @@ export function Puck({
                       } else {
                         const changedFields = filter(
                           // filter out anything not supported by this component
-                          (value as any).attributes, // TODO type properly after getting proper state library
+                          value,
                           Object.keys(fields)
                         );
 
diff --git a/packages/core/types/Config.tsx b/packages/core/types/Config.tsx
index bc43bdd29a..79746bca9c 100644
--- a/packages/core/types/Config.tsx
+++ b/packages/core/types/Config.tsx
@@ -25,7 +25,7 @@ export type Field<
   arrayFields?: {
     [SubPropName in keyof Props]: Field<Props[SubPropName]>;
   };
-  getItemSummary?: (item: Props, index: number) => string;
+  getItemSummary?: (item: Props, index?: number) => string;
   defaultItemProps?: Props;
   options?: {
     label: string;