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Replit can integrate with Pinterest Ads by using Pinterest’s official Marketing API. Pinterest exposes REST endpoints for creating ad campaigns, managing audiences, and tracking conversions. Inside Replit, this integration means your Repl acts as a server or automation script that makes authenticated HTTPS requests to Pinterest’s API using an Access Token obtained via OAuth 2.0 or a Pinterest App. You’ll securely store your credentials as Replit Secrets, start your server with a workflow that binds to 0.0.0.0, and, when testing webhooks or callback URLs, use the Replit webview URL or the “Run” URL to expose that endpoint publicly.
This flow covers the setup on Replit and how to authenticate and make real Pinterest Ads API calls.
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PINTEREST_CLIENT_ID, PINTEREST_CLIENT_SECRET).fetch or axios) to access Pinterest Ads API endpoints such as /v5/ad\_accounts or /v5/campaigns.0.0.0.0 and you use the Replit URL provided (e.g. https://yourreplname.username.repl.co) in the Pinterest app configuration as your redirect or webhook URL.
import express from "express"
import fetch from "node-fetch"
const app = express()
// Load credentials from Replit Secrets
const clientId = process.env.PINTEREST_CLIENT_ID
const clientSecret = process.env.PINTEREST_CLIENT_SECRET
const redirectUri = "https://yourreplname.username.repl.co/callback" // replace with your actual Repl URL
// Step 1: Redirect user to Pinterest auth page
app.get("/auth", (req, res) => {
const url = `https://www.pinterest.com/oauth/?response_type=code&client_id=${clientId}&redirect_uri=${encodeURIComponent(redirectUri)}&scope=ads:read ads:write`;
res.redirect(url)
})
// Step 2: Handle Pinterest callback, exchange code for access token
app.get("/callback", async (req, res) => {
const code = req.query.code
const tokenResponse = await fetch("https://api.pinterest.com/v5/oauth/token", {
method: "POST",
headers: {"Content-Type": "application/x-www-form-urlencoded"},
body: new URLSearchParams({
grant_type: "authorization_code",
client_id: clientId,
client_secret: clientSecret,
code,
redirect_uri: redirectUri
})
})
const data = await tokenResponse.json()
const accessToken = data.access_token
// Example: Fetch Ad Accounts with the token
const adsResponse = await fetch("https://api.pinterest.com/v5/ad_accounts", {
headers: {Authorization: `Bearer ${accessToken}`}
})
const adAccounts = await adsResponse.json()
res.json(adAccounts)
})
app.listen(3000, "0.0.0.0", () => {
console.log("Server running on 0.0.0.0:3000")
})
ads:read, ads:write) to keep your integration secure.
This approach—using explicit API calls, environment variables managed in Replit Secrets, and real OAuth flows—is the correct and valid method to integrate a Replit app with Pinterest Ads.
1
Build a small backend on Replit that automatically collects daily Pinterest Ads performance data (impressions, clicks, spend) through the Pinterest REST Ads API and stores it or sends it to email/Slack. The Repl runs a scheduled job via Workflows to call Pinterest endpoints using your OAuth access token stored in Replit Secrets. Each run fetches fresh metrics and writes them to a simple JSON file or a connected external database for tracking. This is useful when you need fast, lightweight reporting without maintaining a full analytics system.
import os, requests
TOKEN = os.environ['PINTEREST_ACCESS_TOKEN']
ACCOUNT = os.environ['PINTEREST_AD_ACCOUNT_ID']
url = f"https://api.pinterest.com/v5/ad_accounts/{ACCOUNT}/campaigns"
headers = {"Authorization": f"Bearer {TOKEN}"}
res = requests.get(url, headers=headers)
print(res.json()) # Returns current campaign data
2
Use Replit as a lightweight full-stack tool to design and test new Pinterest Ad campaigns through a web interface. The backend (Flask or FastAPI) handles secure OAuth login to Pinterest and calls the Campaigns and Ad Groups endpoints to create or preview ads. The frontend can display thumbnails fetched via Pinterest’s API. By binding to 0.0.0.0 and exposing a port, teammates can access the dashboard over the shared Replit URL. This setup helps marketers iterate quickly without deep infrastructure.
from flask import Flask, redirect, request
import requests, os
app = Flask(__name__)
@app.route("/auth")
def auth():
return redirect(f"https://www.pinterest.com/oauth/?client_id={os.environ['CLIENT_ID']}&redirect_uri={os.environ['REDIRECT_URI']}&response_type=code&scope=ads:read,ads:write")
@app.route("/callback")
def callback():
code = request.args.get("code")
# Exchange for access token
data = {"grant_type": "authorization_code", "code": code, "redirect_uri": os.environ['REDIRECT_URI']}
res = requests.post("https://api.pinterest.com/v5/oauth/token", auth=(os.environ['CLIENT_ID'], os.environ['CLIENT_SECRET']), data=data)
return res.json()
app.run(host="0.0.0.0", port=8000)
3
Listen to Pinterest Ads webhooks (like campaign updates or billing events) directly from your Repl while developing integrations. When the Repl is running, it provides an HTTPS URL you can register as a webhook target. The Flask server verifies incoming requests using headers like X-Pinterest-Signature and immediately processes or logs them. This setup allows real-time debugging of how your automation reacts to ad status changes, before moving to production hosting.
from flask import Flask, request
import os, hmac, hashlib
app = Flask(__name__)
@app.route("/webhook", methods=["POST"])
def webhook():
sig = request.headers.get("X-Pinterest-Signature")
body = request.data
secret = os.environ['PINTEREST_WEBHOOK_SECRET']
check = hmac.new(secret.encode(), body, hashlib.sha256).hexdigest()
if hmac.compare_digest(check, sig):
print("Verified:", request.json)
else:
print("Signature mismatch")
return "OK"
app.run(host="0.0.0.0", port=8000)
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1
A Pinterest Ads API call fails in Replit with 'SSL certificate verify failed' because the runtime can’t confirm the remote server’s HTTPS certificate. You fix it by ensuring Replit’s CA certificates are updated and your HTTP client is told to verify SSL using the system trust store. In Python, install certifi and pass its CA bundle explicitly when your library can’t find it automatically.
import requests, certifi, os
url = "https://api.pinterest.com/v5/ad_accounts"
headers = {"Authorization": f"Bearer {os.environ['PINTEREST_ACCESS_TOKEN']}"}
resp = requests.get(url, headers=headers, verify=certifi.where()) # uses trusted CA bundle
print(resp.status_code, resp.text)
After redeploy or workflow restart, this setup ensures the HTTPS handshake uses a valid trust chain so Pinterest's API calls succeed reliably inside Replit.
2
Check that your Pinterest API credentials truly exist inside Replit Secrets and their names match exactly how you call them in code. In Replit, secrets are injected as environment variables at runtime (process.env in Node.js, os.getenv in Python). If they’re not accessible, your app might be reading them before the environment loads, using wrong variable names, or running from a child process without inherited envs.
console.log(process.env.PINTEREST_APP_ID) to verify value presence (remove after debugging).
// Example Node.js debugging snippet
console.log("Pinterest ID:", process.env.PINTEREST_APP_ID);
console.log("Pinterest Token:", process.env.PINTEREST_ACCESS_TOKEN);
3
When you run OAuth on Replit for Pinterest Ads, your redirect URL must be the live HTTPS URL of your running web server — the one shown in the “Webview” or “Open in a new tab” (e.g. https://projectname.username.repl.co/oauth/callback). You register this URL in your Pinterest app settings. In your code, listen on that same path to receive the authorization code. Pinterest will only redirect to exact URLs registered in their developer console.
Replit exposes your Flask, Express or FastAPI server via HTTPS automatically. Since each Repl has its unique domain, that’s the base for your OAuth redirect. Always bind your server to 0.0.0.0 and port 8000 or use process.env.PORT. Then handle Pinterest’s callback route.
// Example in Express running on Replit
import express from "express"
import fetch from "node-fetch"
const app = express()
app.get("/oauth/callback", async (req, res) => {
const code = req.query.code
// Exchange code for tokens
const r = await fetch("https://api.pinterest.com/v5/oauth/token", {
method: "POST",
headers: {"Content-Type": "application/x-www-form-urlencoded"},
body: new URLSearchParams({
grant_type: "authorization_code",
code,
redirect_uri: "https://projectname.username.repl.co/oauth/callback",
client_id: process.env.PINTEREST_CLIENT_ID,
client_secret: process.env.PINTEREST_CLIENT_SECRET
})
})
const data = await r.json()
res.json(data)
})
app.listen(process.env.PORT || 8000, "0.0.0.0")
Keep credentials in Replit Secrets. When redeploying, Pinterest redirects continue to work since the domain stays identical for the Repl, making OAuth flow repeatable and secure.
When connecting Replit to Pinterest Ads API, a redirect URI must exactly match what you registered in your Pinterest Developer App. On Replit, the Repl’s live URL changes depending on whether you’re in development or deployed, so mismatched URIs often break OAuth with "invalid redirect" errors. Always use the explicit deployed URL or a fixed custom domain, and keep the same route during the entire OAuth authorization process.
https://yourproject.username.repl.co/auth/callback and set the same in the Pinterest app dashboard.// Example Express OAuth callback
app.get("/auth/callback", async (req, res) => {
const code = req.query.code;
// Exchange code for access token
const tokenRes = await fetch("https://api.pinterest.com/v5/oauth/token", {
method: "POST",
headers: {"Content-Type": "application/x-www-form-urlencoded"},
body: new URLSearchParams({
grant_type: "authorization_code",
code,
redirect_uri: process.env.REDIRECT_URI,
client_id: process.env.PIN_CLIENT_ID,
client_secret: process.env.PIN_CLIENT_SECRET
})
});
const data = await tokenRes.json();
res.json(data);
});
Many beginners place their Pinterest access tokens directly in code or commit them. On Replit, that’s dangerous and short-lived since public Repls expose files. Tokens belong in Replit Secrets, which map securely to environment variables available only to your Repl runtime. This also keeps your code portable and safe from leaks when you share your project link.
PIN_CLIENT_ID, PIN_CLIENT_SECRET, ACCESS\_TOKEN.process.env.ACCESS\_TOKEN.// Pinterest Ads API request using stored secret
const res = await fetch("https://api.pinterest.com/v5/ads", {
headers: {
"Authorization": `Bearer ${process.env.ACCESS_TOKEN}`,
"Content-Type": "application/json"
}
});
Pinterest Ads webhooks require signature verification, otherwise you can’t trust the callbacks. Developers often skip this, just logging received data. Replit Repls restart frequently, so robustness matters—always verify incoming payloads using the X-Pinterest-Signature header and your app secret. Missing this step can accept forged requests or ignore valid ones.
crypto.createHmac("sha256", secret) to compare hashes.import crypto from "crypto";
app.post("/webhook", express.json({type: "application/json"}), (req, res) => {
const signature = req.headers["x-pinterest-signature"];
const expected = crypto.createHmac("sha256", process.env.PIN_APP_SECRET)
.update(JSON.stringify(req.body))
.digest("hex");
if (signature !== expected) return res.status(400).send("Invalid signature");
res.status(200).send("OK");
});
Replit exposes services only if you bind your server to 0.0.0.0 and use an exposed port (often process.env.PORT). Some developers hardcode localhost or assume default ports, so Pinterest can’t reach webhooks or callback routes. Always read process.env.PORT, and Replit will automatically forward it to the public HTTPS URL.
import express from "express";
const app = express();
app.get("/", (req, res) => res.send("Replit + Pinterest Ads Working"));
app.listen(process.env.PORT || 3000, "0.0.0.0", () =>
console.log("Server running on Replit")
);
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