Verify up to 25 email addresses per call
Verify up to 25 email addresses per call: syntax, domain MX/A record, disposable-domain, and role-account checks. Does not perform SMTP/mailbox verification.
Answeringour last check, 2026-09-26
1 of 1checks answered this week
192 msmedian answer time
$0.005listed price per call
$0.005price 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://x402-tollbooth.onrender.com/api/verify
| Category | Everything else |
|---|---|
| Provider host | x402-tollbooth.onrender.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-26 | valid payment request | 402 | $0.005 | 192 ms |
Example input (from the provider)
{
"body": {
"emails": [
"someone@example.com",
"test@mailinator.com"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"emails": {
"description": "Array of email address strings, max 25 per call.",
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"emails"
]
},
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}