Validates email deliverability
Validates email deliverability: syntax check, MX record lookup, and SMTP server reachability. Returns risk score and quality rating. Deterministic, sub-second. x402-native.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1381 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://api.qonoro.ai/v1/email/validate
| Category | Everything else |
|---|---|
| Provider host | api.qonoro.ai |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 5 from 4 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 1381 ms |
Example input (from the provider)
{
"body": {
"email": "contact@stripe.com"
},
"bodyType": "json",
"inputSchema": {
"properties": {
"buyer_region": {
"description": "Optional privacy-safe buyer region for operational reporting.",
"type": "string"
},
"email": {
"description": "Email address to validate (e.g. 'contact@stripe.com').",
"type": "string"
}
},
"required": [
"email"
],
"type": "object"
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"buyer_region": {
"description": "Optional privacy-safe buyer region for operational reporting.",
"type": "string"
},
"email": {
"description": "Email address to validate (e.g. 'contact@stripe.com').",
"type": "string"
}
},
"required": [
"email"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"inputSchema": {
"type": "object"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"cache_hit": {
"type": "boolean"
},
"disposable": {
"type": "boolean"
},
"domain": {
"nullable": true,
"type": "string"
},
"email": {
"type": "string"
},
"mx_found": {
"type": "boolean"
},
"mx_records": {
"items": {
"properties": {
"host": {
"type": "string"
},
"priority": {
"type": "integer"
}
},
"type": "object"
},
"type": "array"
},
"quality": {
"enum": [
"valid",
"risky",
"invalid"
],
"type": "string"
},
"request_id": {
"type": "string"
},
"response_time_ms": {
"nullable": true,
"type": "number"
},
"risk_reasons": {
"items": {
"type": "string"
},
"type": "array"
},
"risk_score": {
"type": "number"
},
"smtp_connectable": {
"nullable": true,
"type": "boolean"
},
"syntax_valid": {
"type": "boolean"
},
"valid": {
"type": "boolean"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}