Email Validation
Verify syntax, MX records, disposable domains, and role accounts.
Available through RapidAPI20 live endpoint docs
Practical APIs for developer tools and website intelligence.
ApiMask gives teams focused JSON APIs for email validation, regex generation, stacktrace analysis, DNS checks, SSL checks, security headers, sitemap validation, CORS checks, and everyday developer utilities.
RapidAPI handles keys, billing, quotas, and usage. ApiMask focuses on fast, focused endpoints with clear docs.
20live endpoint docs2product groupsJSONfirst responses
POST /v1/utility/dns/analyze
200 OK{
"success": true,
"data": {
"domain": "example.com",
"mx_records": [],
"spf": null,
"dmarc": null
},
"error": null,
"meta": {}
}Signup validationCI/CD automationWebsite auditsInternal developer toolsSEO operationsSecurity checksSignup validationCI/CD automationWebsite auditsInternal developer toolsSEO operationsSecurity checksSignup validationCI/CD automationWebsite auditsInternal developer toolsSEO operationsSecurity checks
Live APIs
Start with high-intent utility endpoints.
The first ApiMask launch focuses on APIs that are easy to test, easy to integrate, and useful inside real products.
Regex Generator
Turn plain English descriptions into usable regular expressions.
JSON Formatter
Validate, format, minify, and sort JSON for developer tools.
DNS Analyzer
Inspect A, AAAA, MX, TXT, NS, CNAME, SPF, and DMARC records.
SSL Checker
Check certificate validity, issuer, SANs, and expiration windows.
Security Headers
Score browser security headers and surface missing protections.
Product groups
Built for marketplace discovery and direct developer intent.
No custom billing setup
Subscribe on RapidAPI. Build with the docs here.
RapidAPI handles subscriptions, keys, limits, payments, and usage. ApiMask.dev gives you the product overview, schemas, examples, and endpoint behavior.