# groundmail-dev

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

Groundmail provides a transactional email API and SMTP service designed for developers to send password resets, receipts, alerts, and other automated messages. The platform separates transactional mail from marketing campaigns, offering dedicated IPs, automation features, and a free tier of 3,000 emails per month. It aims to simplify email integration for applications while ensuring deliverability and compliance.

## Kin Score — 66.6 / 100 (exemplar)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 67.9 |
| Contract Quality | 66.5 |
| Contract Governance | 79.1 |
| Operational Transparency | 55.3 |
| Developer Ergonomics | 70.7 |
| Access Clarity | 50.5 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 30.4 (matched via fallback).

## Agent readiness — 63.8 (agent-native)

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

## APIs (18)

- **groundmail-dev Automations API** — Create and manage event-driven transactional automations
- **groundmail-dev Deliverability API** — Best-effort metrics computed from stored email events
- **groundmail-dev Dmarc API** — DMARC monitoring per domain (aggregate reports, sending sources, enforcement readiness)
- **groundmail-dev Domains API** — The Domains API from groundmail-dev — 2 operation(s) for domains.
- **groundmail-dev Emails API** — The Emails API from groundmail-dev — 5 operation(s) for emails.
- **groundmail-dev Events API** — Custom events that trigger transactional automations
- **groundmail-dev Inbound API** — Receive domains, inbound ingestion, and received email retrieval
- **groundmail-dev Integrations API** — The Integrations API from groundmail-dev — 3 operation(s) for integrations.
- **groundmail-dev Migrations API** — Beta. Import templates, suppressions, sending domains and webhooks from SendGrid, Postmark, Mailgun, Resend or Amazon SES. The provider key (Amazon SES: access key and secret) i...
- **groundmail-dev OAuth API** — OAuth 2.0 Device Authorization Grant (RFC 8628) for the CLI and agents, the authorization code grant with PKCE for the hosted MCP server, dynamic client registration (RFC 7591),...
- **groundmail-dev Smtp Credentials API** — The SmtpCredentials API from groundmail-dev — 2 operation(s) for smtpcredentials.
- **groundmail-dev Suppressions API** — Account-level recipient suppressions (bounce/complaint/manual)
- **groundmail-dev Templates API** — Email templates with `{{variable}}` interpolation
- **groundmail-dev Tenants API** — Your own customers inside one Groundmail account, each with its own domains, suppression list, stats, sending ramp and pause switch. Included on Scale and Dedicated.
- **groundmail-dev Test inbox API** — A test domain per team. Mail sent to it from any email provider is caught and never delivered, so tests can wait for an email and read its code and links.
- **groundmail-dev Validation API** — Groundmail validation — check an address before you accept or send to it
- **groundmail-dev Webhooks API** — The Webhooks API from groundmail-dev — 2 operation(s) for webhooks.
- **groundmail-dev API Keys API** — Manage API keys (list, create, revoke)

## Agentic access (1)

- **Groundmail Dev Agentic Access** — 91 operations · 54 acting · 4 human-in-the-loop

## Security (3)

- **Groundmail Dev Authentication** — 4 schemes
- **Groundmail Dev Domain Security** — TLSv1.3 · HSTS · DMARC
- **Groundmail Dev Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Groundmail Dev Plans Pricing**

## Tags

Email, API, Transactional, SMTP, Developer

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