Can I cancel a payment after my Facebook Ads have run?

you need to pause the ads before cancelling payments, otherwise your ads account will disabled here you can learn more about it https://www.facebook.com/business/direct_terms_ads_en.php

Yes, you can

No, you cannot cancel a payment after your Facebook Ads have already run, as Facebook charges you based on delivered impressions, clicks, or other ad actions. However, you can still dispute the charge or request a refund in certain cases.

1. When Can You Dispute or Request a Refund?
You may be eligible for a refund if:
✔ You were charged for a disapproved ad
✔ Your ad ran due to a technical error (e.g., you paused it, but Facebook still delivered impressions)
✔ You see unauthorized or duplicate charges
✔ Your payment method was charged incorrectly

2. How to Dispute a Facebook Ads Charge?
Follow these steps to request a refund or dispute an incorrect charge:

Step 1: Check Your Billing History
🔹 Go to https://www.facebook.com/adsmanager
🔹 Click Billing to review transactions.
🔹 Look for unexpected or incorrect charges.

Step 2: Request a Refund from Facebook
🔹 Visit https://www.facebook.com/business/help
🔹 Click Billing & Payments → Payment Issues → Request a Refund
🔹 Submit a request with proof of incorrect charges (screenshots, transaction details, etc.)

🚨 Facebook does not guarantee refunds, but they may approve them in special cases.

3. Alternative: Dispute the Charge with Your Bank or VCC Provider
If Facebook refuses to refund, you can dispute the transaction with your payment provider:
✔ For credit/debit cards – Contact your bank and file a chargeback.
✔ For Virtual Credit Cards (VCC) – If you used https://exocards.com, you can:

Block the card to prevent future charges.
Request a chargeback if Facebook billed incorrectly.
🔗 Get a Secure VCC for Facebook Ads:
👉 https://exocards.com/product/Facebook-Advertising-VCC

4. How to Prevent Unwanted Facebook Charges?
✔ Set a Spending Limit – Go to Ads Manager → Payment Settings → Set Account Spending Limit
✔ Use a VCC – Load only the amount you need (get one from https://exocards.com)
✔ Regularly Check Your Billing History – Avoid unexpected charges

By following these steps, you can dispute Facebook Ads charges and prevent unwanted future payments! 🚀