diff --git a/src/Diagram.svelte b/src/Diagram.svelte
index 16211e776..97b2bc25a 100644
--- a/src/Diagram.svelte
+++ b/src/Diagram.svelte
@@ -1,9 +1,9 @@
 <script lang="ts">
   import { onMount } from "svelte";
-  import type { CommitGroup } from "./commit";
+  import type { WeeklyActivity } from "./commit";
 
   export let strokeWidth: number;
-  export let points: CommitGroup[];
+  export let points: WeeklyActivity[];
   export let viewBoxWidth: number;
   export let viewBoxHeight: number;
 
diff --git a/src/base/projects/Widget.svelte b/src/base/projects/Widget.svelte
index 576b0bcf8..38fd51417 100644
--- a/src/base/projects/Widget.svelte
+++ b/src/base/projects/Widget.svelte
@@ -13,18 +13,10 @@
   export let anchor: proj.Anchor | null = null;
   export let compact = false;
 
-  const getTimestampOneYearAgo = () => {
-    const now = new Date();
-    const oneYearAgo = new Date(now.getFullYear() - 1, now.getMonth(), now.getDate());
-    return Math.floor(oneYearAgo.getTime() / 1000).toString();
-  };
-
   const loadCommits = async () => {
-    const commits = await Project.getCommits(project.urn, seed.api, {
-      parent: project.head ?? null,
-      since: getTimestampOneYearAgo(),
-    });
-    return groupCommitsByWeek(commits.headers);
+    const commits = await Project.getActivity(project.urn, seed.api);
+
+    return groupCommitsByWeek(commits.activity);
   };
 </script>
 
diff --git a/src/commit.ts b/src/commit.ts
index 9ff488aad..fcf50dcfb 100644
--- a/src/commit.ts
+++ b/src/commit.ts
@@ -60,6 +60,13 @@ export interface CommitGroup {
   week: number;
 }
 
+export interface WeeklyActivity {
+  date: string;
+  time: number;
+  commits: number[];
+  week: number;
+}
+
 export interface DiffStats {
   additions: number;
   deletions: number;
@@ -137,30 +144,22 @@ export async function fetchCommits(project: Project, parentCommit: string): Prom
   return groupCommitHistory(commitsQuery);
 }
 
-export function groupCommitsByWeek(commits: CommitMetadata[]): CommitGroup[] {
-  const groupedCommits: CommitGroup[] = [];
+export function groupCommitsByWeek(commits: number[]): WeeklyActivity[] {
+  const groupedCommits: WeeklyActivity[] = [];
   let groupDate: Date | undefined = undefined;
 
   if (commits.length === 0) {
     return [];
   }
 
-  commits = commits.sort((a, b) => {
-    if (a.header.committerTime > b.header.committerTime) {
-      return -1;
-    } else if (a.header.committerTime < b.header.committerTime) {
-      return 1;
-    }
-
-    return 0;
-  });
+  commits = commits.sort((a, b) => a > b ? -1 : a < b ? 1 : 0);
 
   // A accumulator that increments by the amount of weeks between weekly commit groups
-  let weekAccumulator = Math.floor(getDaysPassed(new Date(commits[0].header.committerTime * 1000), new Date()) / 7);
+  let weekAccumulator = Math.floor(getDaysPassed(new Date(commits[0] * 1000), new Date()) / 7);
 
   // Loops over all commits and stores them by week with some additional metadata in groupedCommits.
   for (const commit of commits) {
-    const time = commit.header.committerTime * 1000;
+    const time = commit * 1000;
     const date = new Date(time);
     const isNewWeek =
       !groupedCommits.length ||
diff --git a/src/project.ts b/src/project.ts
index 675c7ca20..4b71ee82b 100644
--- a/src/project.ts
+++ b/src/project.ts
@@ -349,6 +349,13 @@ export class Project implements ProjectInfo {
     return new Request(`projects/${urn}/commits`, host).get(params);
   }
 
+  static async getActivity(
+    urn: string,
+    host: Host,
+  ): Promise<{ activity: number[] }> {
+    return new Request(`projects/${urn}/activity`, host).get();
+  }
+
   async getCommit(commit: string): Promise<Commit> {
     return new Request(`projects/${this.urn}/commits/${commit}`, this.seed.api).get();
   }