How to Integrate Reddit Ads with V0

Reddit requires a registered application to use its API. Go to reddit.com/prefs/apps (you need to be logged in with the Reddit account that manages your Ads account) and scroll to the bottom. Click 'Create App' or 'Create Another App'. Fill in the form: Name your app descriptively (e.g., 'My V0 Ads Dashboard'). Select 'script' as the app type — this is for personal use scripts and allows Client Credentials OAuth flow, which is what you need for server-to-server API access. For the redirect URI, enter http://localhost:8080 (it is required but not actually used for the script/Client Credentials flow). For the about URL, you can leave it blank or enter your Vercel deployment URL. After creating the app, Reddit shows you the app settings with a client ID (a short alphanumeric string displayed under the app name) and a client secret (shown as 'secret' in the settings). Copy both of these — the client ID and client secret are what your Next.js API route uses to authenticate. Critical note about Reddit Ads API access: the standard Reddit API (via reddit.com/prefs/apps) gives access to the general Reddit API including posts and subreddits. For the Reddit Ads API specifically, you also need to contact Reddit's Business API team at ads-api@reddit.com and request access, particularly for production use. During development and testing with your own account's data, the standard app credentials may work for basic read operations, but full Ads API access for campaign management requires explicit approval.

Use V0 to generate the analytics dashboard front-end. Reddit Ads has some unique metrics compared to other ad platforms — notably the upvote count and comment count on promoted posts, which reflect Reddit community engagement rather than just click behavior. Including these Reddit-specific metrics in your dashboard gives you insight that standard ad reports often miss. For a standard campaign performance dashboard, V0 generates excellent layouts with metric summary cards and sortable data tables. When prompting V0, specify the exact data fields you want to display. Standard metrics like impressions, clicks, CTR, spend, and CPC are universal. Reddit-specific metrics include upvotes on promoted posts and subreddit-level performance breakdowns. Consider the time dimension in your dashboard design. Daily trend lines showing how performance changes over a 7 or 30-day period are more actionable than aggregate totals alone. V0 can generate Recharts components for area charts or bar charts showing daily metrics. Ask explicitly for a time-series chart to get this in the initial generation. The dashboard should fetch data when the page loads, or when the user changes the date range filter. Since the data is dynamic and user-controlled, generate this as a 'use client' component with useEffect for data fetching. V0 handles this pattern well — explicitly mention 'use client' and 'fetch on mount' in your prompt to get the right code pattern.

Create the server-side API route that authenticates with Reddit OAuth2 and fetches campaign data. Reddit's OAuth2 Client Credentials flow is similar to eBay's: your server requests an access token by POSTing to Reddit's token endpoint with your credentials, then uses that token for subsequent API calls. The Reddit OAuth token endpoint is https://www.reddit.com/api/v1/access_token. Authentication uses HTTP Basic Auth with your Client ID as the username and Client Secret as the password. The request body contains grant_type=client_credentials. Reddit requires a descriptive User-Agent header that includes your app name, version, and Reddit username — this is a hard requirement and requests with generic User-Agent strings are rejected. Once you have the token, Reddit Ads API calls go to https://ads-api.reddit.com/api/v2.0/ with a Bearer authorization header. The main endpoints for campaign data are /accounts/{account_id}/campaigns for listing campaigns and /accounts/{account_id}/campaigns/{campaign_id}/stats for performance metrics. Finding your Reddit Ads Account ID: log in to ads.reddit.com and look at the URL. When you are on the campaigns overview, the account ID appears in the URL as a t2_ prefixed value (for example, t2_abc123). You will need this for all Ads API calls. Token caching is important here too — Reddit access tokens are valid for one hour and rate limits apply to token requests. Implement a module-level cache similar to the eBay pattern: store the token and expiry time, check the cache before requesting a new token. For high-traffic dashboards, use Upstash Redis for distributed caching.

1import { NextRequest, NextResponse } from 'next/server';
2
3interface TokenCache {
4  token: string;
5  expiresAt: number;
6}
7
8let tokenCache: TokenCache | null = null;
9
10async function getRedditToken(): Promise<string> {
11  if (tokenCache && Date.now() < tokenCache.expiresAt - 60_000) {
12    return tokenCache.token;
13  }
14
15  const clientId = process.env.REDDIT_CLIENT_ID!;
16  const clientSecret = process.env.REDDIT_CLIENT_SECRET!;
17  const credentials = Buffer.from(`${clientId}:${clientSecret}`).toString('base64');
18
19  // Reddit requires a descriptive User-Agent or requests are rejected
20  const userAgent = `web:my-v0-ads-dashboard:v1.0 (by /u/${process.env.REDDIT_USERNAME || 'myusername'})`;
21
22  const response = await fetch('https://www.reddit.com/api/v1/access_token', {
23    method: 'POST',
24    headers: {
25      'Authorization': `Basic ${credentials}`,
26      'Content-Type': 'application/x-www-form-urlencoded',
27      'User-Agent': userAgent,
28    },
29    body: 'grant_type=client_credentials',
30  });
31
32  if (!response.ok) {
33    throw new Error(`Reddit token request failed: ${response.status}`);
34  }
35
36  const data = await response.json();
37  tokenCache = {
38    token: data.access_token,
39    expiresAt: Date.now() + data.expires_in * 1000,
40  };
41
42  return data.access_token;
43}
44
45export async function GET(request: NextRequest) {
46  try {
47    const { searchParams } = new URL(request.url);
48    const days = parseInt(searchParams.get('days') || '7');
49    const accountId = process.env.REDDIT_ADS_ACCOUNT_ID!;
50
51    const token = await getRedditToken();
52    const userAgent = `web:my-v0-ads-dashboard:v1.0 (by /u/${process.env.REDDIT_USERNAME || 'myusername'})`;
53
54    // Fetch campaigns list
55    const campaignsResponse = await fetch(
56      `https://ads-api.reddit.com/api/v2.0/accounts/${accountId}/campaigns?limit=50`,
57      {
58        headers: {
59          'Authorization': `Bearer ${token}`,
60          'User-Agent': userAgent,
61        },
62      }
63    );
64
65    if (!campaignsResponse.ok) {
66      throw new Error(`Reddit Ads campaigns API error: ${campaignsResponse.status}`);
67    }
68
69    const campaignsData = await campaignsResponse.json();
70    const campaigns = campaignsData.data || [];
71
72    // Calculate date range
73    const endDate = new Date();
74    const startDate = new Date();
75    startDate.setDate(startDate.getDate() - days);
76    const startIso = startDate.toISOString().split('T')[0];
77    const endIso = endDate.toISOString().split('T')[0];
78
79    // Fetch stats for each campaign
80    const campaignsWithStats = await Promise.all(
81      campaigns.slice(0, 20).map(async (campaign: Record<string, unknown>) => {
82        try {
83          const statsResponse = await fetch(
84            `https://ads-api.reddit.com/api/v2.0/accounts/${accountId}/campaigns/${campaign.id}/stats?startDate=${startIso}&endDate=${endIso}`,
85            {
86              headers: {
87                'Authorization': `Bearer ${token}`,
88                'User-Agent': userAgent,
89              },
90            }
91          );
92
93          const statsData = statsResponse.ok ? await statsResponse.json() : { data: [] };
94          const stats = statsData.data?.[0] || {};
95
96          const impressions = stats.impressions || 0;
97          const clicks = stats.clicks || 0;
98          const spendCents = stats.spend || 0;
99          const spend = (spendCents / 100).toFixed(2);
100          const ctr = impressions > 0 ? ((clicks / impressions) * 100).toFixed(2) : '0.00';
101          const cpc = clicks > 0 ? (spendCents / 100 / clicks).toFixed(2) : '0.00';
102
103          return {
104            id: campaign.id,
105            name: campaign.name,
106            status: campaign.status,
107            dailyBudget: campaign.dailyBudgetAmount
108              ? (campaign.dailyBudgetAmount as number / 100).toFixed(2)
109              : '0.00',
110            impressions,
111            clicks,
112            spend,
113            ctr,
114            cpc,
115          };
116        } catch {
117          return {
118            id: campaign.id,
119            name: campaign.name,
120            status: campaign.status,
121            dailyBudget: '0.00',
122            impressions: 0,
123            clicks: 0,
124            spend: '0.00',
125            ctr: '0.00',
126            cpc: '0.00',
127          };
128        }
129      })
130    );
131
132    const totals = {
133      spend: campaignsWithStats.reduce((sum, c) => sum + parseFloat(c.spend), 0).toFixed(2),
134      impressions: campaignsWithStats.reduce((sum, c) => sum + c.impressions, 0),
135      clicks: campaignsWithStats.reduce((sum, c) => sum + c.clicks, 0),
136    };
137
138    return NextResponse.json({ campaigns: campaignsWithStats, totals });
139  } catch (error) {
140    console.error('Reddit Ads API error:', error);
141    return NextResponse.json({ error: 'Failed to fetch Reddit Ads data' }, { status: 500 });
142  }
143}

Your API route needs four environment variables: REDDIT_CLIENT_ID, REDDIT_CLIENT_SECRET, REDDIT_ADS_ACCOUNT_ID, and optionally REDDIT_USERNAME for the required User-Agent header. Go to your Vercel Dashboard, open your project, click Settings, then Environment Variables. Add: REDDIT_CLIENT_ID: The Client ID from your Reddit app settings at reddit.com/prefs/apps. The Client ID is the short string displayed under your app name (before the 'secret' line). This is used as the Basic Auth username for token requests. REDDIT_CLIENT_SECRET: The Client Secret (labeled 'secret' in Reddit app settings). This is sensitive — never add a NEXT_PUBLIC_ prefix. Only accessible in server-side code. REDDIT_ADS_ACCOUNT_ID: Your Reddit Ads account ID. Find it in the ads.reddit.com URL when viewing your campaigns, or in the Account Settings section of Reddit Ads Manager. It typically starts with t2_. REDDIT_USERNAME: Your Reddit username (without the u/ prefix). This is used in the User-Agent header that Reddit requires. It is not sensitive but Reddit's API policy asks you to identify your account. Set all variables for Production, Preview, and Development. Add them to .env.local for local development as well. After saving, trigger a redeployment by pushing a commit or using the Redeploy button in Vercel's Deployments tab.

1# .env.local (local development only)
2REDDIT_CLIENT_ID=your_client_id_here
3REDDIT_CLIENT_SECRET=your_client_secret_here
4REDDIT_ADS_ACCOUNT_ID=t2_youraccountid
5REDDIT_USERNAME=your_reddit_username

Push your code to GitHub to trigger a Vercel deployment and test the complete integration. Navigate to your dashboard page on the deployed Vercel URL — not in V0's preview sandbox, since V0 cannot validate external API connections. Test the date range controls first to verify the campaigns table updates when you change the period. Then check that monetary values display correctly in dollar format rather than cents, that status badges show the right color (Active in green, Paused in yellow, Deleted in gray), and that CTR and CPC calculations look reasonable for your actual campaign data. For debugging, check three places: the Vercel Function logs for API errors, the Reddit Developer Dashboard at reddit.com/dev/api for rate limit status, and your browser's Network tab to see the exact request and response for each API call. A note on Reddit Ads API rate limits: the API allows 60 requests per minute per access token. If you are fetching stats for each campaign individually (as the route above does), a large number of campaigns can approach this limit. For accounts with 30 or more campaigns, fetch campaign list data and stats in batches or implement request queuing. Also cache the entire API response for 10 to 15 minutes on the server side to reduce calls for multiple users viewing the dashboard. For enterprise Reddit Ads management integrations — including creating campaigns, managing ad creative at scale, setting up conversion tracking, and building automated campaign optimization rules — the Reddit Ads API has the full range of CRUD operations. RapidDev's team can help implement production-grade Reddit Ads integrations with proper rate limit handling, batched requests, and automated reporting.