Data source: Cloudflare DNS, curated lists
https://context.gnist.ai/rest/email-validation/
AuthenticationAll requests require a Gnist-API-Key header (or api_key query parameter).
Free tier: 100 calls/day. Get your API key.
Tools (3)
validate_emailValidate an email address — checks format, MX records, disposable/role detection.
Returns whether the format is valid, if the domain has MX records (can receive mail),
whether it's a known disposable email provider, and whether it's a role address
(e.g. admin@, support@).
Args:
email: Email address to validate (e.g. "[email protected]").
| Parameter | Type | Required | Description |
|---|---|---|---|
email | string | required |
{
"email": "example"
}validate_email_batchValidate multiple email addresses at once (max 50).
Args:
emails: Comma-separated email addresses (e.g. "[email protected],[email protected]").
| Parameter | Type | Required | Description |
|---|---|---|---|
emails | string | required |
{
"emails": "example"
}report_feedbackReport a bug, feature request, or general feedback for this data source.
Use this when something doesn't work as expected, when you'd like
a new feature, or when you have suggestions for improvement.
Args:
feedback: Describe the issue or suggestion.
feedback_type: One of 'bug', 'feature_request', or 'general'.
| Parameter | Type | Required | Description |
|---|---|---|---|
feedback | string | required | |
feedback_type | string | optional | (default: "general") |
{
"feedback": "example"
}Quick Start
curl -X POST "https://context.gnist.ai/rest/email-validation/validate_email" \
-H "Content-Type: application/json" \
-H "Gnist-API-Key: YOUR_API_KEY" \
-d '{"email": "example"}'
import httpx
resp = httpx.post(
"https://context.gnist.ai/rest/email-validation/validate_email",
headers={"Gnist-API-Key": "YOUR_API_KEY"},
json={
"email": "example"
},
)
print(resp.json())