APIs
Each API has a free tier on RapidAPI. Subscribe, then call it with your X-RapidAPI-Key.
MailGuard Email Validator
Validate emails at signup: syntax, MX records, 10,000+ disposable domains, typo suggestions and a quality score.
CleanText Profanity Filter & PII Redaction
Detect and censor profanity (leetspeak-aware), redact emails, phones, cards and SSNs, and score readability.
QR Forge QR Code Generator
Generate PNG, SVG or base64 QR codes, including Wi-Fi, vCard, email, SMS, maps and calendar events. No watermark.
LinkPeek Link Preview & URL Metadata
Turn any URL into a rich preview: Open Graph, Twitter Card, favicon, oEmbed (YouTube, Vimeo, Spotify, X) and feeds.
BarForge Barcode Generator
Scanner-verified EAN-13, UPC-A, Code 128, ISBN, Code 39 and ITF-14 barcodes as PNG, SVG or base64. Auto check digits.
AgentLens User-Agent Parser & Bot Detector
Parse User-Agents and Client Hints into browser, OS and device. Detect 55+ bots, including GPTBot and ClaudeBot.
WorkDay Business Days, Holidays & Time Zones
Add or count business days with US, UK and Canada holidays, or your own calendar. Convert times across IANA zones.
ZonePeek DNS Lookup
Look up A, AAAA, MX, TXT, NS, CNAME, SOA, PTR, SRV and CAA records over DNS-over-HTTPS. Reverse DNS for any IP.
DialCheck Phone Number Validator
Validate and format phone numbers with libphonenumber: E.164, country, and type (mobile, landline, toll-free). No owner or carrier lookup.
MintRates Currency Exchange Rates
Convert currencies with the European Central Bank official daily reference rates. Latest, historical (90 days) and 30 currencies.