Who Joined First?
Compare two Bluesky accounts
Comparing accounts in code? Use the API Free · No key
This page compares two accounts by hand. Our free API does the same lookup programmatically and hands back a single number — how many days ago that account joined Bluesky. Someone who signed up today comes back as 0.
GET
https://www.inquizitriv.com/when-did-they-join/api/days/?handle=alice.bsky.social
-
Welcome newcomers on time. If
days_since_joinedis 7 or under, your auto-DM tool, starter pack or welcome bot has found someone who is genuinely still getting oriented. - Measure Bluesky adoption. Run it over your followers or your feed’s contributors and you get real signup cohorts — who arrived this week, this month, or in the last migration wave.
- Sort veterans from day-olds. Account age is a cheap, honest signal for spam filtering, rate limits, giveaway rules and “new here” badges.