From the blog
How we build, what we learn, what we ship.
Posts about giving AI agents real inboxes, sending and receiving at scale, deliverability, and the systems behind the AgenticEmail API.
Temp mail API: create disposable inboxes programmatically
A temp mail API creates disposable email inboxes from code - for OTP testing, signup QA, and agents. Working curl, TS, and Python examples.
How to Send Email from JavaScript: SMTP, fetch, and the Email API Way
You can't send email from browser JavaScript directly. Here's how to use a send email API in JavaScript, nodemailer over SMTP, or a plain fetch call.
Gmail API send email: a working Python and Node.js guide
Gmail API send email tutorial with working Python and Node.js code, OAuth setup, base64url encoding, quotas, and when an API-first inbox fits better.
SendGrid Inbound Parse: the complete setup and troubleshooting guide
Set up the SendGrid Inbound Parse webhook end to end - MX record, dashboard config, the multipart payload fields - plus fixes for when it is not working.
SendGrid API: how to send email with the v3 Mail Send API
A working tutorial to send email with the SendGrid API - curl and Node.js code, API key setup, sender verification, and fixes for the common 401 and 403 errors.
SendGrid webhook: the complete Event Webhook guide
How the SendGrid webhook works - the events it sends, how to configure it, verifying the ECDSA signature, retry behavior, and why it fails.
The best email validation API in 2026: an honest comparison
An honest 2026 comparison of email validation API providers - free tiers, accuracy, and the validation layers that predict deliverability before you send.
Email webhooks: how to receive email as JSON
An email webhook POSTs inbound mail to your endpoint as JSON. Learn what an email webhook is, how to receive one, verify signatures, and pick a provider.
Give your AI agent an inbox in five minutes
Create a real email address for your agent with one API call, receive inbound mail as a webhook or WebSocket event, and reply over REST - no IMAP, no OAuth dance, no mail server.