# mails-ai

**Canonical:** https://apis.io/providers/mails-ai/  
**Website:** https://mails.ai/  
**APIs profiled:** 1

Mails.ai provides a self‑serve AI email API designed for artificial‑intelligence agents. It offers programmatic email addresses with built‑in parsing, identity verification, and reputation scoring, enabling agents to send, receive, and process emails as a core primitive. The platform includes free tier access, scalable pricing, and features like structured reply events and prompt‑injection scanning, targeting developers building AI‑driven communication workflows.

## Kin Score — 64.4 / 100 (strong)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 56.7 |
| Contract Quality | 67.7 |
| Contract Governance | 22.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 68.5 |
| Access Clarity | 92.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 32.7 (matched via fallback).

## Agent readiness — 64.7 (agent-native)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | served |
| Idempotency | verified |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | verified |
| Event Surface Described | yes |
| Agent Skills | derived |
| Well Known Catalog | yes |
| 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 | partial |
| Operation Distinctiveness | distinct |

## APIs (19)

- **mails-ai Account API** — Identify the current API key.
- **mails-ai Agents API** — Per-agent email identities and their sending policy.
- **mails-ai API Keys API** — Create, list, and revoke API keys.
- **mails-ai Billing API** — Usage metering and the Stripe billing portal.
- **mails-ai Connected Apps API** — The apps connected by signing in (the mails CLI, Claude, ChatGPT …): list and revoke them.
- **mails-ai Domains API** — Bring-your-own custom sending domains (records-only DNS verification).
- **mails-ai Drafts API** — Compose, edit, schedule, and send drafts.
- **mails-ai Events API** — Typed events (incl. classifier output) and the SSE live stream.
- **mails-ai Inbound API** — Received messages and the test-key inbound simulator.
- **mails-ai Labels API** — Label objects: a name and a colour, applied to threads.
- **mails-ai Logs API** — Audit trail of state-changing operations.
- **mails-ai Messages API** — Send, list, retrieve, reply, forward, schedule, and cancel email.
- **mails-ai Metrics API** — Sent, delivered, bounced, complained, received and reply counts over time.
- **mails-ai Public API** — Unauthenticated endpoints (health, unsubscribe link targets).
- **mails-ai Reputation API** — Workspace- and agent-level deliverability reputation.
- **mails-ai Search API** — Full-text search over received and sent mail.
- **mails-ai Suppression API** — Suppression lookups and the consent allowlist.
- **mails-ai Threads API** — Conversation threads grouping inbound + outbound messages, with read state, folders and labels.
- **mails-ai Webhooks API** — Endpoint registration, delivery history, test, and replay.

## MCP servers (1)

- **mails-ai MCP Server** — Remote MCP server at help.mails.ai.

## Agentic access (1)

- **Mails Ai Agentic Access** — 74 operations · 38 acting · 3 human-in-the-loop

## Security (4)

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

## Plans (1)

- **Mails Ai Plans Pricing**

## Tags

Company, AI, Email, Infrastructure, Agents

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