# SendHQ

**Canonical:** https://apis.io/providers/sendhq/  
**Website:** https://sendhq.cc/  
**APIs profiled:** 1

SendHQ is a transactional email API for product teams and AI agents — verified-domain sending, inbound email, hosted templates, drafts and attachments, delivery events, suppressions and workspace-scoped API keys, with a web dashboard at app.sendhq.cc. The public contract is an OpenAPI 3.1 document of 32 paths and 47 operations served from sendhq.cc/api/v1, authenticated with a bearer token or a session cookie. The largest operation groups are hosted templates, drafts and attachments, emails and threads, account and billing, domains, inbound email and deliverability. The company markets the product explicitly at coding agents.

## Kin Score — 30.0 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 30.0).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 57.1 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

## Agent readiness — 27.0 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | verified |
| Error Semantics | no |
| OpenAPI Examples | verified |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (1)

- **SendHQ API** — Transactional and inbound email — send, threads, drafts, attachments, hosted templates, domains and DNS verification, deliverability, suppressions, account and billing. 32 paths...

## Tags

Email, Transactional Email, Messaging, Deliverability, Agents, Developer Tools

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/sendhq/). Scores are computed from the provider's own public artifacts under a published rubric.