Email marketing & newsletters

Mailercloud tech stack

Launch successful email campaigns like a pro

mailercloud.com ↗Checked Sep 2026

Foundation

On its website: DNS: s1._domainkey.mailercloud.com CNAME s1.domainkey.u9989701.wl202.sendgrid.net; DNS: s2._domainkey.mailercloud.com CNAME s2.domainkey.u9989701.wl202.sendgrid… source · Oct 2026 ↗

Money

Payments

Stripe

“We chose Stripe for its reliable global payment infrastructure, developer-friendly APIs, and seamless subscription management.” — the maker, Sep 2026 ↗

In its subprocessor list: Stripe Inc | https://stripe.com/in/privacy source · Oct 2026 ↗

AI in the product

LLM API

OpenAI API

In its subprocessor list: OpenAI OpCo, LLC | https://openai.com/policies/privacy-policy/ source · Oct 2026 ↗

Shipping

Hosting

Cloudflare

In its subprocessor list: Cloudflare Inc. | https://www.cloudflare.com/privacypolicy/ source · Oct 2026 ↗

Error Monitoring

Sentry

In its subprocessor list: Software Inc. (Sentry.io) | https://policies.google.com/privacy source · Oct 2026 ↗

Building with AI

AI Coding Assistants

Claude Code

“We chose Cursor because it helps our developers write, refactor, and debug code faster using built-in AI assistance.” — the maker, Sep 2026 ↗

Cursor

“We use Cursor to accelerate development with AI-powered code assistance. It understands our codebase, helps generate and refactor code, and makes building and maintaining our Email API faster and more efficient.” — the maker, Sep 2026 ↗