DataFast

Free plan · paid from $5/mo

What the maker publishes

Accuracy limitation

The maker says attribution depends on the same DataFast visitor ID reaching checkout; blocked visits or missing IDs can leave payments unattributed. source

API access

Yes source

Attribution

DataFast attributes completed payments to the source, campaign, or page that introduced the customer. source

Dashboard

The real-time dashboard shows visitors, pageviews, sources, and revenue, and supports comparing channels by revenue per visitor. source

Data retention

limited source

Event handling

Order IDs can be used as event IDs so webhook retries do not count the same payment twice. source

Free plan

Yes source

Intended audience

The maker describes DataFast as a tool for founders who want to know which channels bring paying customers. source

Limits

Product-level dashboard filters, CSV exports, and scheduled reports are not available yet. source

Open source

DataFast says its tracker is open source and that users can host the stack themselves for full data ownership. source

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. source

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. source

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. source

Paid from

5 source

Tracking

The tracking script is 652 bytes gzipped, loads asynchronously, and can be added with one script tag. source

Checked against the maker's pages on 11 Oct 2026.