SendHQ

Developer Tools

Observable email infrastructure for product teams and AI agents

sendhq.cc

About

SendHQ is an email API for verified-domain transactional sending, inbound email, delivery events, scoped API keys, and observable agent workflows.

Business Day API - Market Holidays & Settlement Dates

Turn merged GitHub PRs and commits into client-ready PDF invoices

Every Australian business entity, joined into one API.

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Reactive backend platform with a built-in database

Edge-hosted SQLite built on libSQL