Use Cases

See how teams use Mailhook to automate email workflows.

AI Agents

Email infrastructure for autonomous agents

Give your AI agents the ability to receive and process emails. Perfect for LLM-powered automation, MCP integrations, and agent-to-agent communication.

  • Create inboxes programmatically
  • Receive emails as structured JSON
  • MCP server support (coming soon)
  • Automatic cleanup with short retention
Start building

QA & Testing

Isolated inboxes for every test run

Create unique email addresses for each test. Verify signup flows, password resets, and transactional emails without shared inbox pollution.

  • Unique address per test case
  • Polling API for CI/CD integration
  • Assert on email content
  • Automatic cleanup after tests
Start testing

Signup Verification

Test verification flows at scale

Validate your signup and verification flows. Receive OTPs, magic links, and confirmation emails programmatically.

  • Capture OTP codes
  • Extract magic links
  • Test edge cases
  • Monitor deliverability
Start verifying

Client Operations

Manage email on behalf of clients

For agencies and service providers who handle administrative tasks for clients. Create dedicated inboxes per client, route emails to your systems.

  • Per-client inboxes
  • Webhook routing by domain
  • Audit trail for compliance
  • Long retention options
Start managing