Email infrastructure for senders who take deliverability seriously.

We handpick every customer and watch every IP's reputation. Send your critical transactional emails with confidence.

Request Access

We approve accounts to protect deliverability.

Everything you need to send 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.
Outgoing Webhooks: Receive delivery events in your application as they happen.
Remote MCP Server: Connect compatible AI clients to Prontuno through our hosted MCP server.
Multiple Domains: Verify and send from up to 25 domains from one account.
Email Authentication: Use SPF, DKIM, and DMARC to establish trusted sending.
Suppression Management: Automatically handle bounces and complaints to protect sender reputation.
14-day Delivery Logs: Review message activity and delivery history for 14 days.
Managed Infrastructure: We run the sending infrastructure and monitor IP reputation for you.

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.

Includes 2 sending domains. Credits are valid for 1 year.

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.