# Free Email Spam Tester

**Canonical:** https://apis.io/providers/email-spam-tester-com/  
**Website:** https://email-spam-tester.com/  
**APIs profiled:** 1

Free Email Spam Tester is a free, independent email deliverability testing tool built by Serhii Tanichev in 2026. It offers a disposable test address, runs 42 checks (SPF, DKIM, DMARC, ARC, DNS, reputation, inbox placement) and provides detailed RFC‑referenced reports. No signup or credit card required; integrates with Mailchimp, HubSpot, SendGrid, Zapier, n8n, GitHub Actions and AI assistants.

## Kin Score — 40.1 / 100 (developing)

Scored 2026-11-13 under rubric 0.28.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 55.0 |
| Contract Governance | 22.0 |
| Operational Transparency | 19.0 |
| Developer Ergonomics | 32.6 |
| Access Clarity | 42.6 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 12.7 (matched via fallback).

## Agent readiness — 24.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | verified |
| 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 | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | no |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Freemium · Open access — onboarding: open, pricing: freemium, trial: no (confidence: low).

## APIs (7)

- **Free Email Spam Tester Free DNS tools API** — The Free DNS tools API from Free Email Spam Tester — 15 operation(s) for free dns tools.
- **Free Email Spam Tester Health API** — The Health API from Free Email Spam Tester — 2 operation(s) for health.
- **Free Email Spam Tester Inbox API** — The Inbox API from Free Email Spam Tester — 1 operation(s) for inbox.
- **Free Email Spam Tester Inbox placement API** — The Inbox placement API from Free Email Spam Tester — 4 operation(s) for inbox placement.
- **Free Email Spam Tester Infra checks API** — The Infra checks API from Free Email Spam Tester — 5 operation(s) for infra checks.
- **Free Email Spam Tester Keys API** — The Keys API from Free Email Spam Tester — 2 operation(s) for keys.
- **Free Email Spam Tester Tests API** — The Tests API from Free Email Spam Tester — 4 operation(s) for tests.

## Agentic access (1)

- **Free Email Spam Tester Agentic Access** — 33 operations · 5 acting

## Security (1)

- **Free Email Spam Tester Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Free Email Spam Tester Plans Pricing**

## Tags

Email, Deliverability, Spam, Testing, Free

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