# HeyClaude Newsletter API

**Canonical:** https://apis.io/apis/heyclau-de/heyclau-de-newsletter-api/  
**Provider:** HeyClaude — https://apis.io/providers/heyclau-de/  
**Base URL:** https://heyclau.de  
**Documentation:** https://heyclau.de/tags/swagger

HeyClaude Newsletter API is one of 9 APIs that [HeyClaude](https://apis.io/providers/heyclau-de/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 2 JSON Schema definitions. Tagged areas include Newsletters. The published artifact set on APIs.io includes an OpenAPI specification and 2 JSON Schemas.

The Newsletter API from HeyClaude — 4 operation(s) for newsletter.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/newsletter/subscribe` | Subscribe an email to the newsletter |
| POST | `/api/public/newsletter/confirm` | Confirm a newsletter subscription |
| POST | `/api/public/newsletter/unsubscribe` | Unsubscribe an email from newsletter segments |
| POST | `/api/newsletter/webhook` | Receive Resend webhook events |

## Machine-readable artifacts (3)

- **OpenAPI** — https://artifacts.apis.io/heyclau-de/openapi/heyclau-de-newsletter-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/heyclau-de/json-schema/heyclau-de-registry-feed-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/heyclau-de/json-schema/heyclau-de-registry-trending-response-schema.json

## Other HeyClaude APIs (8)

- [HeyClaude Admin API](https://apis.io/apis/heyclau-de/heyclau-de-admin-api/)
- [HeyClaude Commercial API](https://apis.io/apis/heyclau-de/heyclau-de-commercial-api/)
- [HeyClaude Distribution API](https://apis.io/apis/heyclau-de/heyclau-de-distribution-api/)
- [HeyClaude Dynamic API](https://apis.io/apis/heyclau-de/heyclau-de-dynamic-api/)
- [HeyClaude Jobs API](https://apis.io/apis/heyclau-de/heyclau-de-jobs-api/)
- [HeyClaude MCP API](https://apis.io/apis/heyclau-de/heyclau-de-mcp-api/)
- [HeyClaude Registry API](https://apis.io/apis/heyclau-de/heyclau-de-registry-api/)
- [HeyClaude Submissions API](https://apis.io/apis/heyclau-de/heyclau-de-submissions-api/)

## Tags

Newsletters

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