Domain Intelligence

Endpoint

POST /v1/domain

Cost: 2 credits per request

Request body

{
  "domain": "acme.com"
}

Field	Type	Required	Description
`domain`	string	Yes	Domain name to look up (without protocol — e.g. `acme.com` not `https://acme.com`)

Example request

curl -X POST https://api.datalinkapis.com/v1/domain \
  -H "Authorization: Bearer dl_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "domain": "acme.com" }'

Response

{
  "domain": "acme.com",
  "valid": true,
  "registered": true,
  "registrar": "GoDaddy",
  "created_date": "1997-04-12",
  "expiry_date": "2026-04-12",
  "age_days": 10580,
  "dns_healthy": true,
  "mx_found": true,
  "spf_found": true,
  "dmarc_found": true,
  "disposable": false,
  "parked": false,
  "safety_score": 92,
  "credits_used": 2
}

Response fields

Field	Type	Description
`domain`	string	The domain that was checked
`valid`	boolean	Whether the domain is syntactically valid and registered
`registered`	boolean	Whether the domain has an active registration
`registrar`	string	Name of the registrar
`created_date`	string	Registration date (ISO 8601)
`expiry_date`	string	Expiry date (ISO 8601)
`age_days`	integer	Age of the domain in days
`dns_healthy`	boolean	Whether DNS records resolve correctly
`mx_found`	boolean	Whether at least one MX record is present
`spf_found`	boolean	Whether an SPF TXT record exists
`dmarc_found`	boolean	Whether a DMARC policy record exists
`disposable`	boolean	Whether the domain is associated with disposable email services
`parked`	boolean	Whether the domain appears to be parked with no active content
`safety_score`	integer	Composite safety score 0–100. Higher = safer.
`credits_used`	integer	Credits deducted — always `2` for this endpoint

Use cases

Vendor due diligence — assess domain age and safety before engaging with a new supplier
Lead enrichment — understand the health and maturity of a prospect’s domain
Email infrastructure check — verify SPF and DMARC records are in place before a campaign

Overview

Core Endpoints

Bundle Endpoints

Endpoint

Request body

Example request

Response

Response fields

Use cases

​Endpoint

​Request body

​Example request

​Response

​Response fields

​Use cases

Endpoint

Request body

Example request

Response

Response fields

Use cases