Email infrastructure for senders who take deliverability seriously

Send through API or SMTP. Track delivery. Sending IPs we operate.

10,000 free email credits to start.

Every account is reviewed before the first send.

Everything you need to send emails reliably

Send through SMTP or API, automate delivery events with outgoing webhooks, and connect compatible AI clients through our remote MCP server.

REST API: Send single or batch messages and manage sending resources programmatically.
SMTP Relay: Connect existing applications and frameworks using standard SMTP.
30-day Delivery Logs: Review message activity and delivery history for 30 days.
Outgoing Webhooks: Receive delivery events in your application as they happen.
Email Authentication: Use SPF, DKIM, and DMARC to establish trusted sending.
Suppression Management: Automatically handle bounces and complaints to protect sender reputation.
Multiple Domains: Start with 2 sending domains on free credits. Paid credit packs include 25 domains per team.
Managed Infrastructure: We run the sending infrastructure and monitor IP reputation for you.
Remote MCP Server: Connect compatible AI clients to Prontuno through our hosted MCP server.

Send for $0.001 per email with credit packs starting at $25. No subscriptions or monthly minimums.

Start with 10,000 free email credits after approval.

Free credits include 2 sending domains and are valid for 1 year. Paid credit packs include 25 domains per team.

Price per email

$0.001

Pay only for the email credits you purchase.

Minimum purchase

$25

Start with 25,000 email credits and top up when needed.

Choose credit packs starting at $25.
Credits remain valid for 1 year.
Top up before expiry to carry unused credits forward and extend expiry by 1 year from your top-up date.
No setup fees or monthly minimums.