NIST Randomness Beacon
FreeLiveLast verified 29 Sept 2026
Signed public random values published every 60 seconds, fetchable by time or pulse index for verifiable draws.
Example request
curl -s 'https://beacon.nist.gov/beacon/2.0/pulse/last'
Free tier, in plain English
Free and keyless. Any pulse can be fetched by time or index, so results can be checked later by anyone.
Alternatives in Randomness
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