# e2a-dev

**Canonical:** https://apis.io/providers/e2a-dev/  
**Website:** https://e2a.dev/  
**APIs profiled:** 1

e2a.dev provides an open-source email API designed for applications and AI agents. It enables sending transactional emails, managing two-way inboxes, and integrating email workflows into products. Available as a hosted service or self‑hosted under Apache‑2.0, it targets developers, agent‑native teams, and businesses seeking flexible, privacy‑focused email solutions.

## Kin Score — 49.2 / 100 (developing)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 56.7 |
| Contract Governance | 22.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 56.4 |
| Access Clarity | 63.2 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 22.7 (matched via fallback).

## Agent readiness — 38.8 (agent-ready)

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

## APIs (2)

- **e2a.dev Email API** — Open-source email API for sending transactional emails and managing inboxes.
- **e2a API API** — e2a — authenticated email gateway for AI agents. v1 contract.

## Security (2)

- **E2A Dev Authentication** — 1 scheme
- **E2A Dev Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **E2A Dev Plans Pricing**

## Tags

Company, Email, OpenSource, API, AI

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/e2a-dev/). Scores are computed from the provider's own public artifacts under a published rubric.