# MailBridgeAPI

**Canonical:** https://apis.io/providers/mailbridgeapi/  
**Website:** https://mailbridgeapi.com/  
**APIs profiled:** 1

MailBridgeAPI provides a programmable email API that connects to SMTP and IMAP mailboxes, offering endpoints to send, receive, search and manage email without exposing mailbox passwords. It supports integrations with Gmail, Microsoft 365, Yahoo, Zoho, Apple iCloud, and custom mail servers, featuring AI-powered auto-reply, mobile app control, and detailed analytics. Developers can quickly test connections via a free trial, and companies gain secure, auditable email handling for critical communications.

## Kin Score — 42.3 / 100 (developing)

Scored 2026-10-23 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 55.6 |
| Contract Governance | 22.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 32.7 |
| Access Clarity | 44.7 |

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

## Agent readiness — 30.5 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | derived |
| OpenAPI Examples | verified |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | derived |
| 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 (7)

- **MailBridgeAPI Email API** — Turn your own mailbox into a secure email API.
- **MailBridgeAPI Activity API** — Search messages and build delivery or usage reporting.
- **MailBridgeAPI Compliance API** — Read unsubscribe information for your own contact workflows.
- **MailBridgeAPI Mailbox API** — Inspect mailbox readiness and operational health.
- **MailBridgeAPI Receiving API** — Read incoming messages from the mailbox or the normalized received-message API.
- **MailBridgeAPI Sending API** — Send and validate email through the selected mailbox.
- **MailBridgeAPI Service API** — Public service availability.

## Agentic access (1)

- **Mailbridgeapi Agentic Access** — 12 operations · 2 acting

## Security (3)

- **Mailbridgeapi Authentication** — apiKey · 4 schemes
- **Mailbridgeapi Domain Security** — TLSv1.3 · DMARC
- **Mailbridgeapi Vulnerability Disclosure** — security.txt · contact published

## Tags

Email API, SMTP, IMAP, mailbox integration, Developer Tools, mailbox monitoring

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