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mirrored listing x402 eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

Checks email deliverability by validating address format, MX reachability, temp-mail risk,

Checks email deliverability by validating address format, MX reachability, temp-mail risk, role mailbox risk, and SPF/DMARC/DKIM authentication records without contacting the recipient mailbox. Use it as an email deliverability API, deliverability score, or inbox readiness domain check.

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5000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-20
updated

Provider

x402.agentutility.ai · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "FJqAJ4dXkFbrp3EEo8E9x98iaBGUQwaU8Srz5ePfUXLH",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "discoverable": true,
    "info": {
      "input": {
        "body": {
          "email": "[email protected]"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "can_receive_mail": true,
          "deliverability_score": 92,
          "domain": "example.com",
          "email": "[email protected]",
          "is_disposable": false,
          "is_role_account": true,
          "mx_records": [
            "10 mail.example.com."
          ],
          "risk": "low",
          "verification_level": "domain_dns_no_mailbox_probe"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "dkim_selectors": {
                  "description": "Optional DKIM selectors to check. Defaults to common selectors such as google, selector1, selector2, s1, and s2.",
                  "items": {
                    "type": "string"
                  },
                  "type": "array"
                },
                "email": {
                  "description": "Email address to validate and score, e.g. '[email protected]'.",
                  "type": "string"
                }
              },
              "required": [
                "email"
              ]
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "can_receive_mail": {
                  "type": "boolean"
                },
                "deliverability_score": {
                  "type": "integer"
                },
                "domain": {
                  "type": "string"
                },
                "email": {
                  "type": "string"
                },
                "is_disposable": {
                  "type": "boolean"
                },
                "is_role_account": {
                  "type": "boolean"
                },
                "mx_records": {
                  "items": {
                    "type": "string"
                  },
                  "type": "array"
                },
                "risk": {
                  "type": "string"
                },
                "verification_level": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "builder-code": {
    "info": {
      "a": "bc_awpbwsy3"
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "properties": {
        "a": {
          "description": "App builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        },
        "s": {
          "description": "Service builder codes",
          "items": {
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "type": "array"
        },
        "w": {
          "description": "Wallet builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}

Use it

curl

curl "https://x402.agentutility.ai/email-deliverability"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://x402.agentutility.ai/email-deliverability");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://x402.agentutility.ai/email-deliverability")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/5233.json, and this resource appears in /discovery/resources and /discovery/search.