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• JSON-RPC▾
  • Table of Contents
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True Random Number Service

Note: There is a newer version of this API available.

JSON-RPC API – Release 1 – Request Builder

This form will generate JSON-RPC requests and send them to RANDOM.ORG's API for you. The form is intended as a learning and debugging tool. Your application will want to issue such requests directly from one of the many languages that support JSON. See also the API Specification.

JSON-RPC Version:
JSON-RPC Request ID:
API URL:
API Method:	generateIntegers generateDecimalFractions generateGaussians generateStrings generateUUIDs generateBlobs getUsage generateSignedIntegers generateSignedDecimalFractions generateSignedGaussians generateSignedStrings generateSignedUUIDs generateSignedBlobs verifySignature
apiKey:
n:
min:
max:
length:
size:
format:
characters:
decimalPlaces:
mean:
standardDeviation:
significantDigits:
replacement:
base:
random:
signature:
Request Body:
Response Code:
Response MIME Type:
Response Body: