# emailens-dev

**Canonical:** https://apis.io/providers/emailens-dev/  
**Website:** https://emailens.dev/  
**APIs profiled:** 2

Emailens provides a SaaS platform that lets users preview how their HTML emails render across 21 major inboxes, including Gmail, Outlook, and dark mode variations, before sending. It offers a free forever tier and paid plans starting at $9/month, with tools for fixing broken CSS, testing email designs, and accessing an open‑source email CSS engine. The service includes comprehensive documentation, guides, a blog, and public APIs for integration, and its codebase is hosted on GitHub.

## Kin Score — 71.1 / 100 (exemplar)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.7 |
| Contract Quality | 56.1 |
| Contract Governance | 79.1 |
| Operational Transparency | 44.2 |
| Developer Ergonomics | 64.3 |
| Access Clarity | 88.9 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 45.1 (matched via fallback).

## Agent readiness — 28.0 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| 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 |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |

## APIs (2)

- **Emailens API** — Complete reference for the Emailens REST API, preview emails, manage API keys, audit domains, and create share links.
- **emailens-dev API** — emailens-dev API as documented publicly: 17 operations. Contract generated from the documentation by API Evangelist (2026-10-30); not the provider's own document.

## MCP servers (1)

- **emailens-dev MCP Server** — Remote MCP server at emailens.dev requiring an API key.

## Security (4)

- **Emailens Dev Authentication** — 1 scheme
- **Emailens Dev Domain Security** — TLSv1.3 · HSTS · DMARC
- **Emailens Dev Vulnerability Disclosure** — security.txt · contact published
- **Emailens Dev Trust Center** — SOC 2, ISO 27001, PCI DSS, GDPR

## Plans (1)

- **Emailens Dev Plans Pricing**

## Tags

Email, CSS, Rendering, Testing, SaaS

---

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