Integrations

Fits into your stack.
Plays well with everything.

Native connectors, signed webhooks, and a documented API — so the email client your team uses every day plugs cleanly into the rest of your tools.

Identity & provisioning

OKOkta

EIEntra ID

GWGoogle Workspace

JCJumpCloud

ONOneLogin

PIPing Identity

Collaboration

SLSlack

MSMicrosoft Teams

NTNotion

LNLinear

ASAsana

JRJira

CRM & revenue

HSHubSpot

SFSalesforce

PDPipedrive

STStripe

CBChargebee

ZDZendesk

Observability & security

DDDatadog

SPSplunk

PTPanther

S3AWS S3

PGPagerDuty

OGOpsgenie

Email deliverability & tooling

SESendGrid

MGMailgun

PMPostmark

ASAWS SES

CFCloudflare

ZPZapier

Build your own

An API designed to be built on.

Idempotent endpoints, signed webhooks, an OpenAPI spec, and ergonomic SDKs in TypeScript, Python, Go, and Ruby.

Public REST API

Versioned, stable surface for inboxes, domains, users, routing rules, and audit events.

Signed webhooks

HMAC-signed event delivery with retry, replay protection, and observable delivery state.

SDKs

First-party TypeScript, Python, Go, and Ruby clients generated from the OpenAPI spec.

Fits into your stack.Plays well with everything.