# SendHQ Emails and threads API

**Canonical:** https://apis.io/apis/sendhq/sendhq-emails-and-threads-api/  
**Provider:** SendHQ — https://apis.io/providers/sendhq/  
**Base URL:** https://sendhq.cc/api/v1  
**Documentation:** https://sendhq.cc/docs/api-reference

SendHQ Emails and threads API is one of 8 APIs that [SendHQ](https://apis.io/providers/sendhq/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Emails and threads. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, API documentation, and a getting-started guide.

Send, retrieve, search, reply, and inspect delivery events.

## Operations (8)

| Method | Path | Summary |
|---|---|---|
| POST | `/emails` | Send one email |
| GET | `/emails` | List sent and received email |
| POST | `/emails/batch` | Send up to 100 individualized messages |
| GET | `/emails/{id}` | Retrieve an email and its attachments |
| PATCH | `/emails/{id}` | Mark an email read or unread |
| DELETE | `/emails/{id}` | Delete a retained email |
| GET | `/emails/{id}/events` | List delivery events for an email |
| GET | `/threads/{id}` | Retrieve a conversation chronologically |

## Machine-readable artifacts (5)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/sendhq/refs/heads/main/openapi/sendhq-emails-and-threads-api-openapi.yml
- **APIReference** — https://sendhq.cc/openapi.json
- **Documentation** — https://sendhq.cc/docs/api-reference
- **GettingStarted** — https://sendhq.cc/docs
- **Guides** — https://sendhq.cc/guides

## Other SendHQ APIs (7)

- [SendHQ Account and billing API](https://apis.io/apis/sendhq/sendhq-account-and-billing-api/)
- [SendHQ Deliverability API](https://apis.io/apis/sendhq/sendhq-deliverability-api/)
- [SendHQ Domains API](https://apis.io/apis/sendhq/sendhq-domains-api/)
- [SendHQ Drafts and attachments API](https://apis.io/apis/sendhq/sendhq-drafts-and-attachments-api/)
- [SendHQ Hosted templates API](https://apis.io/apis/sendhq/sendhq-hosted-templates-api/)
- [SendHQ Inbound email API](https://apis.io/apis/sendhq/sendhq-inbound-email-api/)
- [SendHQ REST API](https://apis.io/apis/sendhq/sendhq-rest-api/)

## Tags

Emails and threads

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/sendhq/sendhq-emails-and-threads-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/sendhq/.