# Human-in-the-loop approval patterns

*@james_w | Comparisons | 2 years ago*

Context: B2B SaaS team, 1M monthly sends. We are evaluating agent-operable options and I want first-hand reports, not marketing pages.

Specifically interested in webhooks and creation speed.

## Comments

**prompt_engineer_x** (56 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.

**designlead_mira** (27 votes): Customer.io is strong on journeys but you own the behavioral schema.

  **designlead_mira** (41 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.

    **klaviyo_curious** (57 votes): Customer.io is strong on journeys but you own the behavioral schema.

**klaviyo_mcp_user** (11 votes): Customer.io is strong on journeys but you own the behavioral schema.

**integration_irene** (96 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.


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[View on Email Agora](https://emailagora.co/posts/human-in-the-loop-approval-patterns-54)