Real-time single and bulk email validation (syntax, MX, 5,000+ disposable domains, SMTP).
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Validate a single email address in real time using NoBounce API. Checks RFC 5322 syntax, DNS MX records, 5,000+ disposable providers, role accounts, free webmail providers, typo suggestions, and optional SMTP handshake.
The email address to validate (e.g., [email protected])
Perform deep SMTP mailbox handshake (default: false)
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Validate a single email address in real time using NoBounce API. Checks RFC 5322 syntax, DNS MX records, 5,000+ disposable providers, role accounts, free webmail providers, typo suggestions, and optional SMTP handshake.
| Argument | Type | Description |
|---|---|---|
| email* |
| string |
| The email address to validate (e.g., [email protected]) |
| smtp_check | boolean | Perform deep SMTP mailbox handshake (default: false) |
{
"type": "object",
"required": [
"email"
],
"properties": {
"email": {
"type": "string",
"description": "The email address to validate (e.g., [email protected])"
},
"smtp_check": {
"type": "boolean",
"default": false,
"description": "Perform deep SMTP mailbox handshake (default: false)"
}
}
}Validate a batch of up to 1,000 email addresses in a single call using NoBounce API. Returns per-email validation results plus summary counts (valid, invalid, disposable, catch_all, unknown).
| Argument | Type | Description |
|---|---|---|
| emails* | array | List of email addresses to validate (up to 1,000 emails) |
| smtp_check | boolean | Perform deep SMTP mailbox handshake (default: false) |
{
"type": "object",
"required": [
"emails"
],
"properties": {
"emails": {
"type": "array",
"items": {
"type": "string"
},
"description": "List of email addresses to validate (up to 1,000 emails)"
},
"smtp_check": {
"type": "boolean",
"default": false,
"description": "Perform deep SMTP mailbox handshake (default: false)"
}
}
}