Free developer utility APIs. No API key required for basic usage.
/email/validate/:email
Validates email syntax and checks MX records to verify the domain accepts email.
curl https://devtoolkit-api.mooo.com/email/validate/test@gmail.com
/seo/analyze?url=URL
Fetches a webpage and analyzes SEO meta tags, Open Graph, Twitter Cards, and more.
curl "https://devtoolkit-api.mooo.com/seo/analyze?url=https://example.com"
/qr/generate?text=TEXT&size=300
Generates a QR code PNG image. Optional size parameter (default 300px).
curl "https://devtoolkit-api.mooo.com/qr/generate?text=hello+world" > qr.png
/text/analyze
Analyze text: word count, character count, sentence count, reading time, keyword density.
curl -X POST https://devtoolkit-api.mooo.com/text/analyze \
-H "Content-Type: application/json" \
-d '{"text":"Your text here"}'
/dns/lookup/:domain
Full DNS lookup: A, AAAA, MX, TXT, NS, CNAME records.
curl https://devtoolkit-api.mooo.com/dns/lookup/google.com
/headers/inspect?url=URL
Makes a HEAD request and returns all response headers for inspection.
curl "https://devtoolkit-api.mooo.com/headers/inspect?url=https://example.com"
/ip/info
Returns your IP address and request headers.
/hash?text=TEXT&algo=sha256
Hash text. Supported algorithms: md5, sha1, sha256, sha512.
/uuid
Generate a random UUID v4.
/timestamp
Current time in Unix, ISO 8601, UTC, and more.
Free tier: 100 requests per minute per IP address.
Need higher limits? Available on RapidAPI (coming soon).
Built with ❤️ for developers. Open-source utilities that just work.