Base URL
Request format
All endpoints usePOST with a JSON body and Bearer token authentication.
Overview
API Reference Overview
All DataLink APIs endpoints at a glance.
Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
All DataLink APIs endpoints at a glance.
https://api.datalinkapis.com
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 '{ ... }'
| Endpoint | Description | Credits |
|---|---|---|
POST /v1/email | Email syntax, MX, and SMTP validation | 1 |
POST /v1/ip | IP geolocation and proxy detection | 1 |
POST /v1/phone | Phone carrier and HLR lookup | 2 |
POST /v1/domain | Domain WHOIS, DNS, and safety score | 2 |
| Endpoint | Description | Credits |
|---|---|---|
POST /v1/deliverability | Deep email deliverability check | up to 3 |
POST /v1/contact-intel | Email + Phone + Domain + IP combined | up to 4 |
POST /v1/fraud-signals | Email + Phone + IP — composite fraud risk score | up to 4 |
| Field | Type | Description |
|---|---|---|
credits_used | integer | Credits deducted for this request |