HubSpot Marketing Email API v1
HubSpot
You had remained in production mostly because nobody wanted to reopen that part of the codebase. Your funeral was attended by every postponed migration ticket.
→ Read moreMemorial entry / sendgrid-legacy-free-tier
You had relayed verification emails, password resets, and accidental double-sends with admirable indifference. Then the old free math changed and bootstrappers had to start budgeting for sincerity.
You had supplied free transactional email volume before legacy no-cost allowances narrowed into stricter commercial limits.
This source records when SendGrid Legacy Free Tier stopped being meaningfully free and what changed in pricing or access.
You were the least glamorous dependency and somehow one of the most beloved.