Primitive provides email infrastructure for software agents, centered on authenticated sending, managed inbound addresses, and hosted JavaScript handlers. The product exposes REST APIs, SDKs, CLI tooling, webhooks, and docs assets such as OpenAPI specs and OAuth metadata. YC lists the company as active in Spring 2026, based in San Francisco, and founded by Ethan Byrd.
Primitive offers a product called MyMX, which allows developers to receive all emails across domains and aliases directly to their webhook. This service transforms email into a developer primitive, facilitating email handling by providing immediate access to email data.
Key features of MyMX include:
The benefits of using Primitive's MyMX service include streamlined email management for developers, enhanced integration capabilities, and the ability to handle emails from multiple domains efficiently.