IQX Lookup API
IQX Lookup is a free data validation and enrichment REST API service, provided by Neivi IT to partner companies within the Neivi / IQX ecosystem.
What can you validate?
| Endpoint | Description |
|---|---|
| Format, DNS MX/A records, role addresses, disposable | |
| Phone | Number validation, carrier, type, location, timezone |
| IP | Geolocation (country, city, coordinates, timezone, EU) |
| VAT | EU VIES validation of VAT numbers |
| IBAN | Structure, MOD 97-10 checksum, bank/branch identifiers |
| BIC | SWIFT code format, institution name, country |
| DNS | A, AAAA, MX, TXT, CNAME, NS records + SPF/DKIM/DMARC |
| SSL | Certificate chain, expiry, SANs, protocol, grade (A+ to F) |
| Password | Strength scoring (zxcvbn), crack time, breach check (HIBP) |
| Credit Card | Luhn validation, card network, BIN lookup |
| User Agent | Browser, OS, device detection, bot identification |
Base URL
https://api.iqxlookup.neivi.es
Quick Start
- Get an API key from the dashboard
- Make a request with the
X-Api-Keyheader:
curl -H "X-Api-Key: YOUR_API_KEY" \
"https://api.iqxlookup.neivi.es/api/v1/email?address=test@example.com"
- Parse the JSON response
All responses are returned as JSON with appropriate HTTP status codes.
MCP Server (AI Tool Integration)
IQX Lookup also ships an MCP server that lets AI assistants (Claude, Cursor, Windsurf) call all 12 validation tools natively — no HTTP client code needed. One npx command to set up.