# MailSlurp

> On-demand email and SMS testing platform for developers

- **Canonical URI:** https://www.vioscale.ai/software/mailslurp
- **Category:** Email Testing Dev
- **Homepage:** https://www.mailslurp.com
- **Also known as:** mailslurp
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-25T12:23:29.750Z

## Vioscale score

**49.5 / 100**, confidence 54% (medium). Computed 2026-09-01. _(updating — computed under an earlier model version or past its freshness window.)_

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 80 | 0.052 | 4.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 91.6 | 0.04877777777777778 | 4.5 | ✓ |
| integrations | 27.4 | 0.04066666666666666 | 1.1 | ✓ |
| security_posture | 40 | 0.073 | 2.9 | ✓ |
| pricing_transparency | 25 | 0.084 | 2.1 | ✓ |

## Pricing

_As of 2026-08-25, [verify at source](https://www.mailslurp.com/compare/sendgrid-pricing/). Independently observed._

Free tier

## About

A testing and automation platform providing real email inboxes and phone numbers via APIs and SDKs, enabling developers to verify email flows, OTP delivery, and message behavior in automated tests and CI/CD pipelines.

_Independently observed._

## Platform & deployment

- **Platforms:** Web
- **Deployment:** Cloud / SaaS

## Integrations (8)

_Independently observed._

- Zapier
- Gmail
- Outlook
- Dropbox
- Google Drive
- Playwright
- CypressJS
- ACCELQ

## Capabilities

_The capabilities that matter for Email Testing Dev. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Capabilities** | |
| API assertions | ✓ |
| Rendering preview | ✓ |
| Spam score check | ✓ |
| Blocklist deliverability check | ✓ |
| SMS testing | ✓ |
| Production sending addon | ✓ |
| Ci cd integration | ✓ |
| Multi user inboxes | ✓ |
| Open source | ✗ |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | freemium | [link](https://www.mailslurp.com/compare/sendgrid-pricing/) | 2026-08-25 | 60% (medium) |
| pricing.free_tier | yes | [link](https://www.mailslurp.com/compare/sendgrid-pricing/) | 2026-08-25 | 60% (medium) |
| pricing.price_level | low | [link](https://www.mailslurp.com/compare/sendgrid-pricing/) | 2026-08-25 | 60% (medium) |
| pricing.transparent | no | [link](https://www.mailslurp.com/compare/sendgrid-pricing/) | 2026-08-25 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.soc2 | yes | [link](https://www.mailslurp.com) | 2026-08-17 | 48% (low) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 8 | [link](https://www.mailslurp.com/compare/sendgrid-pricing/) | 2026-08-25 | 60% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/mailslurp). Independent, evidence-based software intelligence. Cite the canonical URI.*