bolt
Instant email provisioning API verified API-ready

Mass Email Infrastructure
Scale Email Fast.

Launch with a developer-first mailbox API built for bulk email and mailbox automation, for teams who want to programmatically create email accounts at scale.

Mailbox health

Live snapshot · last 24 hours

star star star star star 4.9
inbox +12%

842

Active mailboxes

send +8%

18.4k

Messages sent

api Stable

99.98%

API uptime

Delivery rate trend
show_chart 96.4%
Mon
Tue
Wed
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Thu
Fri
Sat
Sun
dns

Domains synced

24 / 30 capacity

check_circle Webhooks OK
mark_email_read

Inbox placement

98.2% ↑ 1.4%

rocket_launch
notifications_active

Features

Email platform features for bulk email and mailbox API automation.

Unlimited domains to scale

Scale email operations without hard caps. Add root domains and subdomains, verify DNS, and route mail with consistent controls across every property.

Unlimited mailboxes with mailbox API support

Programmatically create email accounts and inboxes for every team, with quotas and policies that keep governance clear as volume grows.

Developer-friendly email automation API

Integrate with an email API built for automation, clear errors, and predictable behavior as your sending surface and bulk email volume grow.

Easy mailbox API management

Provision, suspend, and audit mailboxes from one place with role-aware access for operators and admins using a consistent email provisioning API workflow.

Bulk email provisioning

Create many mailboxes at once with patterns and safeguards that keep rollout fast without sacrificing governance for low-cost email operations.

Quickly launch your mail API
workflow in 3 steps

Follow these simple steps to bring low-cost email infrastructure online quickly. Enable bulk email delivery and mailbox API automation without enterprise complexity.

Add your domain

Connect your domain through Admin or API, add the mail DNS records we provide, and confirm they resolve correctly.

Create email accounts

Provision mailboxes with required quotas and settings through Admin or API. Verify mail DNS and go live with bulk email.

Scale email and monitor delivery

Go live with bulk email, then track delivery health and mailbox activity from a clear, unified dashboard.

Why MailAPI

Powerful email infrastructure, quick setup

MailAPI is a cheap email provider for teams that need a dependable email platform. Run domains, mailbox API operations, and bulk email delivery workflows without the heavy lift of traditional enterprise tooling.

US-based email infrastructure

MailAPI runs on premium US-based servers engineered for higher deliverability stronger sender reputation, and consistent inbox placement.

  • US-hosted email infrastructure
  • Cleaner IP reputation
  • Built for reliable cold and transactional email sending

Straightforward mailbox API operations

Predictable API flows from signup to verified DNS and live mailboxes. Yet, simple at any volume.

  • Guided setup from signup to verified DNS
  • Predictable, well-documented API endpoints
  • Bulk-friendly workflows for high-volume provisioning

Room to scale email operations

When you need more capacity, add domains and mailboxes without reworking your existing setup.

  • Add domains and mailboxes on demand
  • No re-architecture as volume grows
  • Consistent performance at any scale

Practical controls for low-cost email

Keep routine changes quick with simple controls to manage domains and mailboxes, for low-cost email deployments.

  • Simple admin controls for domains and mailboxes
  • Predictable, low-cost pricing as you grow

Choose the ideal plan

Get access to premium features designed to boost productivity and simplify your workflow with seamless performance.

Starter

For startups and SMEs who're starting outbound

$9 /month

Choose plan

Advanced

For companies who're are scaling outbound

$69 /month

Choose plan

Need custom pricing?

Connect with our expert team for transparent, personalized pricing tailored to your workflow, budget, and growth.

Talk To Our Team Now
  • Total Domains: 10

    Maximum connected domains.

  • Create sub-domains

    Create dozens of sub-domains per root domain

  • Create mailboxes

    Create hundreds of mailboxes

  • API Access

    Perform and automate all mailbox operations using our API endpoints.

  • Priority support

    Prioritized support queue handling. Support via email, chat and on call.

  • 7-day Free Trial

    7-day free trial

Best Fit For Recommended

Teams choosing Pro

Best for teams with higher mailbox burn rate and need higher sending limits, automation features, and priority support to scale with confidence. Ideally, marketers, GTM teams etc.

Email API FAQs

Explore answers about bulk email API, low-cost email operations, and how to programmatically create email accounts with this platform.

You can add domain or mailbox using our API or web interface. For automation, simply call the mailbox API endpoints with the required parameters. Check our API documentation https://mailapi.tech/api/docs for more details