StackPulse detects Afterpay on 189 websites — 0.12% of the 155,434 domains in the index — making it the #2 buy now pay later technology we track. Updated October 27, 2026.
StackPulse currently detects Afterpay on 189 websites, which is 0.12% of the 155,434 domains in the index. The count is refreshed as the crawler re-scans the web.
How do I check whether a website uses Afterpay?
Open the free StackPulse lookup, enter the domain and the buy now pay later section will list Afterpay if its scripts, headers or markup are present. Developers can call GET /v1/lookup/:domain.
Can I download a list of websites that use Afterpay?
Yes. Lead Export filters the index by Afterpay (optionally combined with other technologies) and streams the matching domains as CSV, up to 50,000 rows per file.
What is Afterpay?
Afterpay is a buy now pay later technology. It ranks #2 of 4 buy now pay later technologies by number of websites in the StackPulse index.
Look up any domain by API
One call returns the ecommerce platform, payment gateways, marketing pixels and infrastructure. Results are cached for a week.