Embed email testing your customers will trust

Mailosaur's partnership programme allows companies the opportunity to:

Embed Mailosaur's email testing capabilities, including end-to-end automated testing, into your product

Empower your customers to take control of their email rendering, using Mailosaur's real-device email previews across light and dark modes

Discuss reseller options, including referral discounts and white labelling

Partner with Mailosaur

Partner with Mailosaur

Proven capabilities, trusted by thousands

Assortment of brand logos including Forbes, Uber, Paypal, Checkout.com, UEFA and Aer Lingus.
Assortment of brand logos including Forbes, Uber, Paypal, Checkout.com, UEFA and Aer Lingus.
A sample email is shown in Mailosaur, with the user clicking their options to generate an email preview
A sample email is shown in Mailosaur, with the user clicking their options to generate an email preview

What you can embed

Mailosaur lets you embed proven email testing capabilities directly into your product. From email previews to automated testing workflows, you can expose Mailosaur’s functionality inside your own UI or processes, helping your users validate how their emails look, what they contain, and how they behave, without sending anything to real inboxes.

Two options are shown, reading "build it yourself, months before the first feature ships, high cost and risk, scaling and maintenance" and then "partner with Mailosaur, mature platform proven at scale, APIs and SDKs ready to embed, maintained and monitored for you"

Why choose us

Email is business‑critical and hard to test well. Partnering with Mailosaur lets you offer proven email testing without the cost, risk, or distraction of building it yourself. With benefits including:

  • Faster time to market with a mature email testing platform
  • Reduced engineering effort and long‑term maintenance
  • Commercial models that scale with your business
Two options are shown, reading "build it yourself, months before the first feature ships, high cost and risk, scaling and maintenance" and then "partner with Mailosaur, mature platform proven at scale, APIs and SDKs ready to embed, maintained and monitored for you"
A flow chart, showing Mailosaur's key capabilities (such as OTP testing) being put into the user's product
A flow chart, showing Mailosaur's key capabilities (such as OTP testing) being put into the user's product

Resell email confidence

Reselling Mailosaur lets you offer best‑in‑class email testing without building or maintaining it yourself. It’s a strong fit for agencies, consultancies, and platforms that want to give customers a proven solution for testing email quality, reliability, and edge cases.

You focus on your services or product; Mailosaur provides the email testing capability behind the scenes.

Frequently asked questions

Try Mailosaur for yourself

Book your personalised demo or start your 14-day free trial

Give Mailosaur a go before your customers do