# Postal

**Canonical:** https://apis.io/providers/postal-server/  
**Website:** https://postalserver.io/  
**APIs profiled:** 2

Postal provides a suite of installation tools and documentation for setting up and running the Postal email delivery platform. The repository includes scripts for quick deployment, detailed prerequisites, and guides covering getting started, configuration, and operation. It aims to simplify the installation process for developers and system administrators, offering both v2 and v3 installation scripts and links to comprehensive online documentation.

## Kin Score — 30.5 / 100 (thin)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 57.1 |
| Contract Quality | 17.6 |
| Contract Governance | 22.0 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 26.2 |
| Access Clarity | 55.3 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 10.8 (matched via fallback).

## Agent readiness — 17.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| 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)

- **Postal API** — Postal provides an email delivery platform API documented at the official docs site.
- **Postal API** — Postal API as documented publicly: 3 operations. Contract generated from the documentation by API Evangelist (2026-10-27); not the provider's own document.

## Security (1)

- **Postal Server Domain Security** — TLSv1.3 · HSTS

## Plans (1)

- **Postal Server Plans Pricing**

## Tags

Installation, Open Source, DevOps, Docker, Tools

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