40 REST APIs · JSON over HTTPS
One catalog of production APIs.
Email validation, document parsing, DNS, IP intelligence, finance, and open data. Every API has clear docs, a sample response, and a free tier to start with.
$ curl api.apicodex.io/email-intelligence/v1/check \
?email=jane@startup.io
{
"email": "jane@startup.io",
"valid": true,
"disposable": false,
"mx_found": true,
"risk_score": 0.04
}Start here
Popular APIs
Validate addresses, detect disposable email, and inspect domain signals.
Extract structured invoice data from documents and images.
Query all DNS record types and reverse lookups over REST.
Reverse DNS, ASN ownership, and network information for any IP.
Real-time and historical exchange rates with conversion.
Structured search-result data across major search engines.
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