73
/100
prowl
Benchmarked Aug 19, 2026

Mailsac

Disposable Email

emailaidata platform_profile
Benchmark Your API

Score Breakdown

Latency 9/10
Consistency 8/10
Token Efficiency 8/10
Parseability 8/10
Auth Simplicity 7/10
First-Try Success 7/10
Documentation 6/10
Error Clarity 6/10

Benchmark Analysis Log

Full LLM thinking from the 4-phase benchmark pipeline.

Analyze
{
  "service_type": "platform",
  "base_url": "https://mailsac.com",
  "auth_method": "api_key",
  "auth_config": {
    "header_name": "Mailsac-Key",
    "api_key_required": true
  },
  "endpoints": [
    {
      "method": "GET",
      "path": "/addresses",
      "description": "List all email addresses (inboxes) associated with the account"
    },
    {
      "method": "POST",
      "path": "/addresses",
      "description": "Create a new disposable email address/inbox"
    },
    {
      "method": "GET",
      "path": "/addresses/{email}/messages",
      "description": "Retrieve messages in a specific inbox"
    },
    {
      "method": "GET",
      "path": "/addresses/{email}/messages/{message_id}",
      "description": "Retrieve a specific message by ID"
    },
    {
      "method": "DELETE",
      "path": "/addresses/{email}/messages/{message_id}",
      "description": "Delete a specific message"
    },
    {
      "method": "GET",
      "path": "/addresses/{email}/messages/{message_id}/attachments",
      "description": "List attachments for a message"
    },
    {
      "method": "GET",
      "path": "/addresses/{email}/messages/{message_id}/attachments/{attachment_id}",
      "description": "Retrieve a specific attachment"
    },
    {
      "method": "POST",
      "path": "/addresses/{email}/forward",
      "description": "Set forwarding rules for an inbox"
    },
    {
      "method": "GET",
      "path": "/domains",
      "description": "List custom domains associated with the account"
    },
    {
      "method": "POST",
      "path": "/domains",
      "description": "Add a custom domain"
    },
    {
      "method": "GET",
      "path": "/domains/{domain}",
      "description": "Get details for a custom domain"
    },
    {
      "method": "DELETE",
      "path": "/domains/{domain}",
      "description": "Remove a custom domain"
    },
    {
      "method": "GET",
      "path": "/addresses/{email}/activity",
      "description": "Track email activity (opens, clicks, etc.)"
    }
  ],
  "pricing_model": {
    "type": "freemium",
    "details": {
      "free_tier": "Limited usage, includes some public email addresses, basic API access",
      "paid_plans": "Pro and Team plans with increased limits, custom domains, more API calls, webhooks, and priority support",
      "usage_based": "Overage charges for API calls beyond plan limits"
    }
  },
  "rate_limits": {
    "free_tier": "Typically 10 requests per minute per IP or key, daily caps",
    "paid_tiers": "Higher limits depending on plan, documented in API docs"
  },
  "capabilities": [
    "Disposable email inboxes",
    "Email receiving and storage",
    "Email retrieval via REST API",
    "Email sending (via SMTP or API) for some plans",
    "Attachment handling",
    "Webhooks for real-time email events",
    "Custom domain support",
    "Email forwarding",
    "Email activity tracking (opens, clicks)",
    "Integration with development and testing workflows",
    "Supports multiple email formats, including MIME"
  ],
  "raw_analysis": "Mailsac is a disposable email service aimed at developers, testers, and QA teams who need to handle email programmatically without maintaining a full mail server. It provides temporary email addresses that can be used to test sign-up flows, email notifications, or any scenario requiring receiving emails. The platform offers a REST API for creating inboxes, listing and retrieving messages, managing attachments, and setting up forwarding or webhooks. It also supports custom domains for more professional testing. Mailsac is mature, with a clean API documentation, a generous free tier, and paid plans for higher usage. It integrates into CI/CD pipelines, testing frameworks, and automation tools. The service is particularly useful for validating email content, parsing emails, and automating email-related tests. It does not have a full email delivery outbound service, but can send test emails via API in certain plans. Overall, Mailsac is a robust, developer-friendly tool for email testing and automation."
}
Execute

2/3 tests passed

TestEndpointStatusLatency
website_uptimeGET /200260ms
robots_txtGET /robots.txt200258ms
llms_txtGET /llms.txt40491ms
Interpret
```json
{
  "overall": 72,
  "dimensions": {
    "token_efficiency": 8.0,
    "first_try_success": 7.0,
    "response_parseability": 8.0,
    "error_clarity": 6.0,
    "doc_quality": 6.0,
    "auth_simplicity": 7.0,
    "latency": 9.0,
    "consistency": 7.5
  },
  "pricing_normalized": {
    "free_tier": "Limited usage, public addresses, basic API access",
    "paid_plans": "Pro and Team, increased limits, custom domains, webhooks, priority support",
    "usage_based": "Overage charges for API calls beyond plan limits"
  },
  "issues": [
    "No /llms.txt endpoint (404) — agents may need to parse docs manually",
    "Free tier is limited — testing may require paid plan for full features",
    "Error handling unclear without detailed docs review"
  ],
  "recommendations": [
    "Add /llms.txt for agent-friendly documentation",
    "Clarify free tier limits to reduce friction for test/dev experiments",
    "Document API error codes and rate limits explicitly"
  ]
}
```

Agent Readiness

x402 Payments
Not supported
Streaming
No
Sandbox
None
Agent Auth
Unknown
SDKs
None listed
MCP Support
No

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