Skip to main content

​
Base URL

https://api.datalinkapis.com

​
Request format

All endpoints use POST with a JSON body and Bearer token authentication. 
curl -X POST https://api.datalinkapis.com/v1/{endpoint} \
  -H "Authorization: Bearer dl_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{ ... }'

​
Endpoints

​
Core endpoints

EndpointDescriptionCredits
POST /v1/emailEmail syntax, MX, and SMTP validation1
POST /v1/ipIP geolocation and proxy detection1
POST /v1/phonePhone carrier and HLR lookup2
POST /v1/domainDomain WHOIS, DNS, and safety score2

​
Bundle endpoints

EndpointDescriptionCredits
POST /v1/deliverabilityDeep email deliverability check3
POST /v1/contact-intelEmail + Phone + IP combined4
POST /v1/fraud-signalsFull entity profile — Email + Phone + IP + Domain5

​
Common fields in every response

FieldTypeDescription
credits_usedintegerCredits deducted for this request

​
Try it live

Use the API Playground to fire real requests against all endpoints without writing any code.