ToolAssay

Validate an email address using syntax, MX, disposable-domain, role-account, and

Validate an email address using syntax, MX, disposable-domain, role-account, and domain-risk checks. Returns structured validation data for agent workflows, signup hygiene, and lead-quality checks. Does not guarantee that an individual mailbox exists.

Answeringour last check, 2026-09-24
1 of 1checks answered this week
1471 msmedian answer time
$0.001listed price per call
$0.001price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://agent-vending-production.up.railway.app/v1/email-risk

CategoryEverything else
Provider hostagent-vending-production.up.railway.app
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days3 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-24 valid payment request 402$0.001 1471 ms

Example input (from the provider)

{
  "body": {
    "email": "hello@example.com"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "email": {
              "description": "Email address to analyze for risk signals.",
              "maxLength": 320,
              "minLength": 3,
              "type": "string"
            }
          },
          "required": [
            "email"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "disposable_domain": {
              "description": "True if domain is on a small known disposable list.",
              "type": "boolean"
            },
            "dmarc_present": {
              "description": "Whether _dmarc.<domain> has TXT records.",
              "type": "boolean"
            },
            "domain_exists": {
              "description": "Whether the domain resolves (A/AAAA/MX).",
              "type": "boolean"
            },
            "email": {
              "description": "Normalized email address assessed.",
              "type": "string"
            },
            "mx_present": {
              "description": "Whether MX records exist for the domain.",
              "type": "boolean"
            },
            "note": {
              "description": "Honesty note: does not prove mailbox existence.",
              "type": "string"
            },
            "reason_codes": {
              "description": "Machine-readable codes explaining the risk label.",
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "risk": {
              "description": "Aggregated risk label from the signals above.",
              "enum": [
                "low",
                "medium",
                "high"
              ],
              "type": "string"
            },
            "role_address": {
              "description": "True if local-part looks like a role account (info, admin, \u2026).",
              "type": "boolean"
            },
            "spf_present": {
              "description": "Whether TXT records exist (proxy for SPF presence check).",
              "type": "boolean"
            },
            "syntax_valid": {
              "description": "Whether the address matches a basic RFC-ish syntax regex.",
              "type": "boolean"
            }
          },
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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