Open banking
Also called: bank check, verify with your bank.
What it collects
You log in to your own bank through an FCA-regulated provider and consent to the bank confirming that you are over 18. The service does not see your statements; it receives a yes or no. Providers named on this site include OneID and ConnectID (via k-ID for Tumblr).
OneID reported 1.1 million bank-based checks in the first days after 25 July 2025 (its own figure; see the OneID page).
What Ofcom says
Listed in Ofcom's January 2025 guidance as capable of being highly effective. Offered by a small share of services in Ofcom's July 2026 sample. Ofcom
Listed as capable of being highly effective Offered by about 9% of the services in Ofcom's July 2026 sample (read from the report's chart; approximate).
Services with a recorded route
| Service | Provider | Retention, as published |
|---|---|---|
| Pornhub, YouPorn, RedTube | Aylo |
No published retention period found (checked 18 October 2026). |
| Tumblr | k-ID (ConnectID) |
No published retention period found (checked 18 October 2026). Tumblr’s own post names k-ID but lists no methods. Press (PiunikaWeb, 8 May 2026) reported four options: “Users can upload a photo ID, use a digital credential called AgeKey, connect a supported bank via ConnectID” “or opt for an on-device facial scan.” |