1.Go to rapidapi.com/mainstate00 and subscribe to any API on the Free tier.
2.Copy your X-RapidAPI-Key from the RapidAPI dashboard.
3.Include the key in all requests as a header. Never expose it in client-side code.

curl example

curl -X POST \
  https://mainstate-pqc.p.rapidapi.com/pqc/kem/generate \
  -H "X-RapidAPI-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"algorithm": "ML-KEM-768"}'

Rate Limits

Tier	Monthly Requests	Price
Free	1,500	$0/mo
Basic	10,000	$29/mo
Pro	100,000	$99/mo
Enterprise	1,000,000	$499/mo

Need help?

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RapidAPI Hub

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