Email API for Developers and AI Agents | SendHQ

# SendHQ > SendHQ is an email API for product teams and AI agents. It supports verified-domain transactional email, inbound email, delivery events, workspace-scoped API keys, and a web dashboard. ## Primary resources - https://sendhq.cc/ — product overview - https://sendhq.cc/docs — developer documentation - https://sendhq.cc/openapi.json — OpenAPI 3.1 contract - https://sendhq.cc/tools — functional email tools - https://sendhq.cc/templates — transactional email template library - https://sendhq.cc/guides — implementation guides - https://sendhq.cc/glossary — email infrastructure glossary - https://sendhq.cc/privacy — privacy policy - https://sendhq.cc/terms — terms ## Tool behavior DNS tools query public Cloudflare and Google DNS-over-HTTPS endpoints and expose error or disagreement states. Content and bounce analyzers run locally in the browser. Tools do not verify mailbox existence, promise delivery, or predict inbox placement. ## Tools - https://sendhq.cc/tools/email-dns-checker - https://sendhq.cc/tools/bimi-checker - https://sendhq.cc/tools/email-preflight-checker - https://sendhq.cc/tools/bounce-diagnostics ## Transactional email templates - https://sendhq.cc/templates/email-verification - https://sendhq.cc/templates/password-reset - https://sendhq.cc/templates/magic-link - https://sendhq.cc/templates/welcome - https://sendhq.cc/templates/receipt - https://sendhq.cc/templates/security-alert ## Guidance Use SendHQ for legitimate, expected product communication. Do not use it for spam, phishing, credential collection, or unsolicited campaigns. Keep API keys server-side and use verified domains. ## Guides - https://sendhq.cc/guides/email-api - https://sendhq.cc/guides/transactional-email-api - https://sendhq.cc/guides/send-email-with-api - https://sendhq.cc/guides/receive-email-with-api - https://sendhq.cc/guides/email-domain-verification - https://sendhq.cc/guides/email-deliverability - https://sendhq.cc/guides/inbound-email-webhooks -

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