Learn what the Mailchimp Marketing API is, common use cases, key tradeoffs, and when to use it for audiences, contacts, campaigns, and consent-aware workflows.
Learn what the SendGrid API is, how it supports transactional email and delivery webhooks, where it fits, and what limits to review before production use.
Learn what the YouTube Data API does, when to use it for videos, channels, playlists, uploads, and comments, and what quota and OAuth limits to review.
