diff --git a/workspaces/cli-server/src/server.ts b/workspaces/cli-server/src/server.ts
index 1c5b76497c..e3931445d7 100644
--- a/workspaces/cli-server/src/server.ts
+++ b/workspaces/cli-server/src/server.ts
@@ -165,6 +165,7 @@ class CliServer {
       '/api/testing',
       createProxyMiddleware({
         changeOrigin: true,
+        followRedirects: true,
         target: this.config.cloudApiBaseUrl,
         pathRewrite(input, req) {
           return input.substring(req.baseUrl.length);
diff --git a/workspaces/ui/src/components/testing/ReportSummary.js b/workspaces/ui/src/components/testing/ReportSummary.js
index 31603378a7..4917c658b5 100644
--- a/workspaces/ui/src/components/testing/ReportSummary.js
+++ b/workspaces/ui/src/components/testing/ReportSummary.js
@@ -103,7 +103,7 @@ export default function ReportSummary(props) {
         <SummaryStats
           totalInteractions={totalInteractions}
           totalDiffs={totalDiffs}
-          totalUnmatchedPaths={totalUnmatchedPaths}
+          totalUndocumentedEndpoints={undocumentedEndpoints.length}
         />
         <h4 className={classes.buildName}>
           from capturing interactions for build <code>{summary.buildId}</code>{' '}
@@ -248,14 +248,18 @@ export default function ReportSummary(props) {
 }
 ReportSummary.displayName = 'Testing/ReportSummary';
 
-function SummaryStats({ totalInteractions, totalDiffs, totalUnmatchedPaths }) {
+function SummaryStats({
+  totalInteractions,
+  totalDiffs,
+  totalUndocumentedEndpoints,
+}) {
   const classes = useStyles();
 
   return (
     <Typography variant="h6" color="primary" style={{ fontWeight: 200 }}>
       Optic observed <Stat value={totalInteractions} label="interaction" />
       , yielding in <Stat value={totalDiffs} label="diff" /> and{' '}
-      <Stat value={totalUnmatchedPaths} label="undocumented endpoint" />.
+      <Stat value={totalUndocumentedEndpoints} label="undocumented endpoint" />.
     </Typography>
   );
 }
diff --git a/workspaces/ui/src/services/testing/TestingService.ts b/workspaces/ui/src/services/testing/TestingService.ts
index 698fcc73a5..4efebc76a8 100644
--- a/workspaces/ui/src/services/testing/TestingService.ts
+++ b/workspaces/ui/src/services/testing/TestingService.ts
@@ -1,8 +1,20 @@
-import { ITestingService, Result, Capture, ok } from '.';
+import {
+  ITestingService,
+  Capture,
+  CoverageReport,
+  Result,
+  ok,
+  err,
+  NotFoundError,
+  RfcEventStream,
+  UndocumentedEndpoint,
+} from '.';
 import UrlJoin from 'url-join';
+import { StableHasher } from '../../utilities/CoverageUtilities';
+import { opticEngine } from '@useoptic/domain';
 
 // TODO: implement ITestingService
-export class TestingService {
+export class TestingService implements ITestingService {
   private authToken: string;
   private refreshing?: Promise<unknown>;
 
@@ -29,6 +41,7 @@ export class TestingService {
     headers.set('Authorization', `Bearer ${this.authToken}`);
 
     const response = await fetch(url, {
+      ...options,
       headers,
     });
 
@@ -74,4 +87,83 @@ export class TestingService {
 
     return ok(payload.captures);
   }
+
+  async loadCapture(captureId): Promise<Result<Capture, NotFoundError>> {
+    const response = await this.callApi(`/captures/${captureId}`);
+
+    if (!response.ok) {
+      if (response.status === 404) {
+        return err(new NotFoundError());
+      } else {
+        throw new Error('Capture could not be fetched');
+      }
+    }
+
+    const payload = await response.json();
+
+    return ok(payload);
+  }
+
+  async loadReport(captureId): Promise<Result<CoverageReport, NotFoundError>> {
+    const response = await this.callApi(
+      `/captures/${captureId}/reports/coverage`
+    );
+
+    if (!response.ok) {
+      if (response.status === 404) {
+        return err(new NotFoundError());
+      } else {
+        throw new Error('CoverageReport for capture could not be fetched');
+      }
+    }
+
+    const payload = await response.json();
+    const deserialized = opticEngine.CoverageReportJsonDeserializer.fromJs(
+      payload
+    );
+    const converter = new opticEngine.com.useoptic.CoverageReportConverter(
+      StableHasher
+    );
+    const serializedReport = converter.toJs(deserialized);
+    return ok(serializedReport);
+  }
+
+  async loadUndocumentedEndpoints(
+    captureId
+  ): Promise<Result<UndocumentedEndpoint[], NotFoundError>> {
+    const response = await this.callApi(
+      `/captures/${captureId}/reports/undocumented-urls`
+    );
+
+    if (!response.ok) {
+      if (response.status === 404) {
+        return err(new NotFoundError());
+      } else {
+        throw new Error(
+          'Undocumented endpoints for capture could not be fetched'
+        );
+      }
+    }
+
+    const payload = await response.json();
+    return ok(payload);
+  }
+
+  async loadSpecEvents(
+    captureId
+  ): Promise<Result<RfcEventStream, NotFoundError>> {
+    const response = await this.callApi(`/captures/${captureId}/spec`);
+
+    if (!response.ok) {
+      if (response.status === 404) {
+        return err(new NotFoundError());
+      } else {
+        throw new Error('Spec for capture could not be fetched');
+      }
+    }
+
+    const payload = await response.json();
+
+    return ok(payload);
+  }
 }
diff --git a/workspaces/ui/src/services/testing/index.ts b/workspaces/ui/src/services/testing/index.ts
index b520a12410..c6f709dda1 100644
--- a/workspaces/ui/src/services/testing/index.ts
+++ b/workspaces/ui/src/services/testing/index.ts
@@ -9,7 +9,7 @@ export interface ITestingService {
     captureId: CaptureId
   ): Promise<Result<CoverageReport, NotFoundError>>;
 
-  loadEndpointDiffs(
+  loadEndpointDiffs?(
     captureId: CaptureId,
     pathId: PathId,
     httpMethod: HttpMethod