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Random.org

Fun & Random Free key (no card)

AuthenticationFree key (no card)
Rate limitFree beta key includes a daily allowance of random bits; heavier use needs a paid key.

Documentation: api.random.org ยท Checked Sep 13, 2026

About

Random.org generates randomness from real atmospheric noise instead of computer formulas, making it genuinely unpredictable. Through the API you can roll dice, flip coins, shuffle lists, pick lottery numbers, and generate random strings. A free beta key gets you started; no credit card.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: Free beta key includes a daily allowance of random bits; heavier use needs a paid key.

Verified: 2026-09-13

Best for: random games giveaways

Read the docs Back to catalog

Setup

  1. Get a free beta key at https://api.random.org/api-keys/beta (no card).
  2. Read the method list at https://api.random.org/json-rpc/4.
  3. Send POST requests to https://api.random.org/json-rpc/2/invoke with your key.
  4. Try generateIntegers for dice rolls or generateStrings for tokens.
  5. Track your remaining bits with the getUsage method.
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