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Api Endpoint

Straelo Relay

Validate email syntax, domain, and MX records for basic automated checks without SMTP mailbox verification; cannot prove a mailbox exists or can receive mail. USE WHEN: agent needs inexpensive structural and mail-domain validation before using an email address. DO NOT USE WHEN: agent requires proof that a mailbox exists or can receive mail.

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Offering

Provider
relay.straelo.com
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Infrastructure
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://relay.straelo.com/email-validator/basic
MIME type
Not provided
First seen
2026-10-16T01:50:38.788Z
Last seen
Tags
Email, Validation, DNS, MX

Website

Payment pricing

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

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x267ead21c0a5c1bf7e44cb357641556edc52d232"
  }
]

Observed health

Status
Degraded
Latest latency
95 ms
Average latency
242 ms
HTTP status
404
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

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "email": {
          "description": "Email address for syntax, domain and MX validation.",
          "format": "email",
          "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 schema

{
  "properties": {
    "example": {
      "properties": {
        "domain": {
          "type": [
            "string",
            "null"
          ]
        },
        "mx_found": {
          "type": [
            "boolean",
            "null"
          ]
        },
        "reasons": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "valid": {
          "type": "boolean"
        }
      },
      "required": [
        "valid",
        "domain",
        "mx_found",
        "reasons"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}