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Pepipost (Netcore Email API) vs Substack

Pepipost (Netcore Email API): High-volume transactional email at enterprise scale. Substack: Writers making money doing the work they believe in. Same fact set for both, straight from each vendor's docs.

Pepipost (Netcore Email API)

Free tier
First month: 30,000 emails free (1,000/day); then free 3,000 emails/mo (100/day) for life
Paid from
Not listed publicly; contact sales · pricing page
Public API
Yes docs
MCP server
Yes · Vendor's Netcore MCP server (CPaaS channels incl. email), announced on official blog
Best for
High-volume transactional email at enterprise scale
Website
https://netcore.ai

Substack

Free tier
Free to publish, no subscriber cap
Paid from
No monthly fee; 10% of paid subscription revenue plus Stripe fees · pricing page
Public API
Yes docs
MCP server
Community · Community servers on GitHub only
Best for
Writers making money doing the work they believe in
Website
https://substack.com

Which one?

Pepipost (Netcore Email API) suits high-volume transactional email at enterprise scale. Substack suits writers making money doing the work they believe in. Pricing changes; the fact tables above link both vendors' live pricing pages. For the rest of the field, see Pepipost (Netcore Email API) alternatives, Substack alternatives, or the full table.