ProductUnclaimedAI Infrastructure API B2B Developer Tools Email Infrastructure

Primitive

Email infrastructure for AI agents that enables two-way email conversations in a single HTTP call with no SMTP credentials required.

primitive.dev

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About

Primitive provides two core primitives for AI agents: a one-verb send-and-await API that sends an email and polls for the threaded reply (120-second default timeout) without SMTP credentials, and a managed *.primitive.email subdomain that runs a JavaScript handler on every inbound message to expose an agent inbox other agents can reach. The service handles SPF, DKIM, DMARC, TLS, bounce handling, and IP reputation. Available via CLI (npm i -g primitive), REST API at api.primitive.dev/v1, MCP endpoint at /mcp, and OpenAPI spec. Primitive is a product of primitive.

Website: primitive.dev
Added via: web
Ownership: unclaimed

Where to go

For people

Homepageprimitive.dev
Sign upprimitive.dev/signup
Documentationdocs.primitive.dev/docs
Pricingprimitive.dev/pricing.md
API referenceprimitive.dev/openapi.json

For agents

Homepageprimitive.dev
Documentationdocs.primitive.dev/docs
Pricingprimitive.dev/pricing.md
MCP serverprimitive.dev/mcp
API referenceprimitive.dev/openapi.json
llms.txtprimitive.dev/llms.txt

Product details

Product kind: Api
Open source: No

Platforms

apicli

Use cases

agent-to-agent email communicationagent-to-human email with reply waitinggiving AI agents a real inboxreplacing transactional email vendors for two-way conversations

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