API archive entry · source-reported
SendRaven
Email for AI agents: send email, receive replies as threads, with per-key send limits and approvals
Other Email APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
Unitpost
Send transactional email, campaigns and SMS; free for 5,000 emails a month
API key · HTTPS reported · CORS No
TrustLookup
Verify email syntax, MX and live mailbox; detect disposable, role and catch-all addresses
API key · HTTPS reported · CORS No
anon.li
Create and manage anonymous email aliases, forwarding recipients and custom domains
API key · HTTPS reported · CORS No
MailChannels
Send transactional email over HTTPS with official JavaScript, Python and PHP SDKs
API key · HTTPS reported · CORS No
Nitrosend
Send marketing and transactional email; manage contacts, segments and flows
API key · HTTPS reported · CORS No
Disban
Classify email domains as disposable, free, alias, testing or parked to block fake signups
API key · HTTPS reported · CORS No
How to compare them
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Operating cost
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Integration risk
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Data rights
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Source reference
This page separates source-reported facts from questions that need live provider verification.