Create your account

A poster account lets you share what you're up to with the friends you invite. Two steps: this one, then a short profile so people know who they're subscribing to.

Fields marked with are required.

Your name

How you'll appear on activity cards and your profile. You can change it later.

Used to send you activity notifications and a link to set your password.

Phone (optional)

Include country code (e.g. +1 for US/Canada).

Initially we deliver everything by email — SMS goes live once Perihelion’s messaging service is approved. Get notified when posters you follow share new activities. Email is required; phone is optional and used only for SMS notifications. Up to 10 msgs/week. Msg & data rates may apply. Reply STOP to opt out, HELP for help. See our Privacy Policy and Terms.