Account portal
Sign in before access is assigned.
If you are moving into paid access, use the same email you intend to use at checkout. Meridian keeps entitlement, billing, and Telegram routing tied to one account record.
Account access
Access MeridianSig
Use one account identity for access, billing, and Telegram delivery.
Use the same email for your Meridian account and checkout for the premium tier so access links cleanly.