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Ark

Email infrastructure for the AI era

Ark is the AI first email API. Send transactional emails with native MCP support, sub-second delivery, and 99.9% deliverability.

ByArk

LaunchedFriday, January 16, 2026

•What is Ark?

Ark is a white label email API designed for platforms that send emails on behalf of their customers, offering multi-tenant capabilities and domain management from a single dashboard.

•How to use it

To use Ark, sign up for a free trial and integrate the API into your platform. Add customer domains by following the auto-detection and configuration steps provided by Ark. Once set up, you can manage emails and track performance metrics for each customer from one central location.

•Background

Ark was created to simplify email management for platforms such as CRMs, helpdesks, and invoicing tools. Unlike traditional email APIs, Ark is purpose-built for multi-tenant scenarios, allowing companies to focus on their product rather than email infrastructure. With features like customer isolation and easy domain setup, Ark streamlines the email sending process for businesses.

Frequently Asked Questions

What types of platforms can benefit from using Ark?

Ark is ideal for CRMs, helpdesks, invoicing tools, scheduling apps, and any other platform that needs to send emails on behalf of multiple customers with their own domains.

How does Ark handle customer domain setup?

Ark automatically detects the DNS provider when a new customer domain is added and provides step-by-step instructions for configuration, making the process quick and self-service.

What are the pricing plans for using Ark?

Ark offers plans starting at $29 per month, which includes support for 10 domains and 50,000 emails, with options to scale up to 1,000 domains as needed.

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