DataFast

Spec sheet

Product

DataFast is revenue-first web analytics that connects website visits to completed payments to identify which sources, campaigns, and landing pages bring paying customers.Read 11 Oct 2026 · datafast.app

Free plan

YesRead 19 Sep 2026 · datafast.app

Paid from

5Read 19 Sep 2026 · datafast.app

Privacy

DataFast says it uses no cookies or cross-site tracking and offers session-only tracking; its first-party opaque ID can connect revenue attribution for 30 days.Read 11 Oct 2026 · datafast.app

Accuracy limitation

The maker says attribution depends on the same DataFast visitor ID reaching checkout; blocked visits or missing IDs can leave payments unattributed.Read 11 Oct 2026 · datafast.app

API access

YesRead 19 Sep 2026 · datafast.app

Attribution

DataFast attributes completed payments to the source, campaign, or page that introduced the customer.Read 11 Oct 2026 · datafast.app

Dashboard

The real-time dashboard shows visitors, pageviews, sources, and revenue, and supports comparing channels by revenue per visitor.Read 11 Oct 2026 · datafast.app

Data retention

limitedRead 19 Sep 2026 · datafast.app

Event handling

Order IDs can be used as event IDs so webhook retries do not count the same payment twice.Read 11 Oct 2026 · datafast.app

Intended audience

The maker describes DataFast as a tool for founders who want to know which channels bring paying customers.Read 11 Oct 2026 · datafast.app

Limits

Product-level dashboard filters, CSV exports, and scheduled reports are not available yet.Read 11 Oct 2026 · datafast.app

Open source

DataFast says its tracker is open source and that users can host the stack themselves for full data ownership.Read 11 Oct 2026 · datafast.app

Payment integrations

The revenue API accepts server-side payment events from Stripe, LemonSqueezy, Paddle, or another provider that can call an HTTP endpoint after a successful payment.Read 11 Oct 2026 · datafast.app

Tracking

The tracking script is 652 bytes gzipped, loads asynchronously, and can be added with one script tag.Read 11 Oct 2026 · datafast.app

Plans and prices

Every DataFast plan and price →

Where Specifiction places it

• Web analytics tools#47 of 1428.3