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Search the MailChannels Help Center for Email API guides, setup, troubleshooting, and billing — all in one place.
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Email API
Send transactional email via REST API — sign up, authenticate, and start delivering in minutes
Webhooks
Receive delivery, bounce, and engagement events in real time via HTTPS callbacks
Set up SPF and DKIM for sending
Configure the DNS records that authorize MailChannels to send on your domain’s behalf.
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Popular starting points from the MailChannels Help Center
Send your first email via the API
A complete walkthrough from signup to your first successful API call, with cURL and code examples.
Send vs Send Async
Choose between synchronous and asynchronous sending — compare latency, throughput, and error handling.