{"name":"SendHQ API","version":"2026-09-07","baseUrl":"https://app.sendhq.cc/api/v1","documentation":"https://app.sendhq.cc/docs","openapi":"https://app.sendhq.cc/openapi.json","authentication":"Authorization: Bearer re_…","groups":[{"slug":"emails","label":"Emails and threads","description":"Send, retrieve, search, reply, and inspect delivery events.","href":"https://app.sendhq.cc/docs/api-reference/emails"},{"slug":"labels","label":"Labels and filing rules","description":"Organize sent and received mail into folders automatically or by hand.","href":"https://app.sendhq.cc/docs/api-reference/labels"},{"slug":"drafts","label":"Drafts and attachments","description":"Build composer flows with private attachment storage.","href":"https://app.sendhq.cc/docs/api-reference/drafts"},{"slug":"templates","label":"Hosted templates","description":"Draft, render, test, version, publish, and send reusable content.","href":"https://app.sendhq.cc/docs/api-reference/templates"},{"slug":"domains","label":"Domains","description":"Provision sender identities and understand DNS verification state.","href":"https://app.sendhq.cc/docs/api-reference/domains"},{"slug":"inbound","label":"Inbound email","description":"Create addresses and work with received conversations.","href":"https://app.sendhq.cc/docs/api-reference/inbound"},{"slug":"deliverability","label":"Deliverability","description":"Inspect events, reputation outcomes, and blocked recipients.","href":"https://app.sendhq.cc/docs/api-reference/deliverability"},{"slug":"webhooks","label":"Webhooks","description":"Receive signed, retried email events (sent, delivered, delayed, bounced, complained, failed, received) at your own endpoints.","href":"https://app.sendhq.cc/docs/api-reference/webhooks"},{"slug":"campaigns","label":"Campaigns","description":"Store contacts with their consent basis, organize them into lists with hosted double opt-in signup forms, import CSV files, and send broadcasts to a list with merge tags, per-list one-click unsubscribe, and per-recipient outcomes.","href":"https://app.sendhq.cc/docs/api-reference/campaigns"},{"slug":"account","label":"Account and billing","description":"Read account usage, analytics, and key metadata with an API key; billing changes and key creation or revocation require a dashboard session.","href":"https://app.sendhq.cc/docs/api-reference/account"}]}