Running this by hand? Deploy an agent in 30s → Start
← All builds

Litmus Replacement

Built by MeterCall Team · 2026-04-16

Email previews across 100+ clients, spam testing, and deliverability analytics. 99% cheaper than Litmus — MeterCall chains rendering, inbox-placement, and AI subject-line scoring into one metered preview call.

Inbox Preview Spam Score Analytics Per-preview
See more builds
Pay per call. ~99% cheaper than the SaaS it replaces.
No seats. No subscription. Bring your own API keys or use MeterCall's — live rates in the workspace.
This module has earned $4,420 this month for its builder.
70% of every call goes to the builder · Fork and compete →
10,000+ modules · build on any of them

What program do you want to build on top of?

This module is your starting point. Describe what you want to layer on top — an interface, extra fields, a workflow, a whole app. Watch it build in real time. ⌘/Ctrl + Enter to run.
Your module's ready — tell us what you need
Use it, host it, give it a home, or keep building. You pick.

Built on MeterCall

5,000,000+ APIs. 25+ AI models. Pay per call. Bring your own credentials.

Build yours →
Want to build yours? Join the launch start building →