← KoreaAPI · verifiable K-culture data

One Day 원데이

Verified facts

One Day (원데이) — verified Korean artist. 2 members.

Source reconciliation

• MusicBrainz lists the Korean name as Oneday; KoreaAPI uses 원데이 (chosen by source authority).

Independent sources disagreed here — shown, not hidden.

Members (2)

• 2AM
• 2PM

Q&A — what agents ask

Cross-checked by 2 source(s)

• Wikidata — structured open knowledge base · view ↗
• MusicBrainz — open music database · view ↗

Verification history

Verified & tracked since 2026-08-18 · 5 verified snapshots.

Append-only, timestamped — the record of WHEN a fact changed, which a latecomer cannot backfill. Full feed: /changes.json · machine-readable: get_history("artist:oneday").

Verified badge

Embed it — the badge shows this entity’s verification tier + Skill Score and links back here (a “via KoreaAPI” citation):

<a href="https://aiagentlabs.co.kr/artist/oneday.html"><img src="https://aiagentlabs.co.kr/badge/oneday.svg" alt="Verified by KoreaAPI"></a>

[![Verified by KoreaAPI](https://aiagentlabs.co.kr/badge/oneday.svg)](https://aiagentlabs.co.kr/artist/oneday.html)