Api Endpoint

api.mailsecuritytools.com

Mail Security Tools API: Bulk email security score: up to 100 domains in one call. Scores up to 100 domains (comma/space separated) for SPF, DMARC, DKIM and MX from live DNS: per-domain score, grade and issues plus a summary (grade counts, missing DMARC/SPF, worst 10). Built for MSPs and agents checking a whole client or vendor list. Bad input 400 and widespread DNS failure 502, never charged.

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Offering

Provider
api.mailsecuritytools.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.mailsecuritytools.com/v1/bulk-score
MIME type
application/json
First seen
2026-10-16T01:50:19.913Z
Last seen
Tags
bulk, email-security-score, dmarc-check, msp, vendor-list, Email, email-security, DMARC, SPF, dkim, X402, MCP

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.5 USDC
Atomic price: 500000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "500000",
    "payTo": "0x2dAF658B01e257206375798a15832E9f547D65dD"
  }
]

Observed health

Status
Healthy
Latest latency
317 ms
Average latency
739 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "domains": {
          "type": "string",
          "maxLength": 12000,
          "description": "Comma-separated domains, max 100"
        }
      },
      "required": [
        "domains"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "type": "string",
          "enum": [
            "GET"
          ]
        },
        "queryParams": {
          "type": "object",
          "properties": {
            "domains": {
              "type": "string",
              "maxLength": 12000,
              "description": "Comma-separated domains, max 100"
            }
          },
          "required": [
            "domains"
          ]
        }
      },
      "required": [
        "type",
        "method"
      ],
      "additionalProperties": false
    },
    "output": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string"
        },
        "example": {
          "type": "object"
        }
      },
      "required": [
        "type"
      ]
    }
  },
  "required": [
    "input"
  ]
}