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Agent-ready email api

12 sites in this index, 2 of them transactional. Every one probed live, with the date it was checked.

✓Sendmux sendmux.ai
Sendmux provides an email API for AI agents to send, receive, route, and manage email inboxes with failover an
✓PostStack poststack.dev
PostStack provides a European email API platform with REST, SMTP, and OAuth 2.0 support, hosted in Finland and
FI
✓Resend resend-staging.com
Resend provides an email API for developers to send transactional and marketing emails at scale with a modern
✓Resend resend.com
Resend provides an email API for developers to send transactional and marketing emails at scale with CLI tools
✓OpenMail openmail.sh
OpenMail provides an email API for AI agents to create inboxes, send and receive emails with real-time webhook
✓IndiePitcher docs.indiepitcher.com
IndiePitcher provides documentation for sending transactional and marketing emails via SDKs, REST API, and SMT
✓docs docs.kurrier.io
Documentation for Kurrier email API service explaining setup and sending email via providers and identities.
✓SendKit docs.sendkit.dev
SendKit provides an email API with SDKs for multiple languages to send transactional emails and manage domains
✓SendPost Docs docs.sendpost.io
SendPost provides API and SMTP relay for sending, tracking, and analyzing emails with advanced deliverability
✓Amisend docs.amisend.com
Amisend provides email API documentation for entrepreneurs, including quickstart guides for Node.js.
✓SendLayer API Documentation developers.sendlayer.com
Documentation for SendLayer API showing how to set up and send transactional emails using SDKs and API calls.
✓Resend resend.mintlify.app
Resend is an email API for developers to send transactional and marketing emails using verified domains and AP