Domain Intelligence API

Real-time domain risk & deliverability data for KYC, Email Analytics, and Bulk Cleaning.

Overview

Query a continuously refreshed dataset of 280M+ domains with DNS, risk, and deliverability signals. This API is designed for KYC, security operations, and data engineering workflows.

Authentication

All requests require a valid API key passed via the X-API-Key header.

X-API-Key: YOUR_API_KEY

Endpoint

Retrieve domain intelligence as JSON.

GET

/domain-intel/{domain}

Parameters

Parameter	Type	Required	Description
domain	string	Yes	Domain to query, e.g. example.com
exclude	string	No	Comma-separated fields to exclude

Example Request

curl -H "X-API-Key: YOUR_API_KEY" https://api.datazag.com/domain-intel/example.com

Responses

Successful requests return a 200 OK with a JSON body.

{
  "domain": "example.com",
  "status": "active",
  "risk_score": 20,
  "flags": {
    "is_phishing": false,
    "is_mailable": true,
    "is_disposable": false,
    "has_dmarc": true,
    "has_spf": true
  }
}

Field Glossary

Field	Type	Description
risk_score	int (0–100)	Higher score indicates higher risk.
flags.is_phishing	bool	True if the domain is on phishing blacklists.
flags.is_disposable	bool	True if domain is a disposable provider.
flags.is_mailable	bool	True if domain is suitable for sending/receiving mail.

Errors

The API uses conventional HTTP status codes to indicate success or failure.

HTTP Status	Message	Description
400	Bad Request	Malformed domain or parameters
401	Unauthorized	Invalid or missing API key
404	Not Found	Domain not found
429	Too Many Requests	Rate limit exceeded
500	Internal Server Error	Unexpected server error