ForgeMesh Provably Fair Random Number Generator

x402

ForgeMesh Provably Fair Random Number Generator is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Generates a random integer within a specified range and returns an HMAC-SHA256 server seed for post-draw verification, enabling provably fair randomness.

Price / call$0.002

Seller volume →—

Success—

StatusUnknown

How this service works

Random number API with proof: an integer in your range plus the HMAC-SHA256 server seed revealed so the draw is verifiable after the fact. Provably fair randomness for games, raffles, and tie-breaking agents.

Output

Returns a random integer within the requested min-max range, along with the HMAC-SHA256 server seed so the caller can independently verify the draw was fair and not manipulated after the fact.

Example use cases

Example prompt

“Roll me a provably fair random number between 1 and 500 using my seed 'myRaffle2024' so I can verify the draw afterward.”

Technical details

Endpoint

POSThttps://x402.forgemesh.io/random-number

When to prefer

Choose this endpoint when you need auditable, provably fair randomness — such as for games, public raffles, giveaways, or any tie-breaking scenario where participants must be able to verify the result was not tampered with. Unlike a plain RNG, it returns an HMAC-SHA256 server seed for post-draw verification and supports a client seed for combined fairness.

Side effects

Invalid min/max values (e.g. min greater than max) resulting in a 400 error
Non-numeric min or max strings causing parsing errors
Payment failure or insufficient USDC balance blocking the request
Server-side seed generation failure returning a 500 error

Input

Schema · Request body

Field	Type	Description
max	string	default 100
min	string	default 1
client_seed	string	your seed for verifiability

Output

Schema · Response

{
  "type": "json",
  "example": {
    "proof": "HMAC-SHA256(server_seed, client_seed) first 4 bytes mod range — recompute to verify",
    "value": 4,
    "server_seed_revealed": "e3b1..."
  }
}

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How this service works

Output

Returns a random integer within the requested min-max range, along with the HMAC-SHA256 server seed so the caller can independently verify the draw was fair and not manipulated after the fact.

Technical details

Endpoint

POSThttps://x402.forgemesh.io/random-number

When to prefer

Side effects

Invalid min/max values (e.g. min greater than max) resulting in a 400 error
Non-numeric min or max strings causing parsing errors
Payment failure or insufficient USDC balance blocking the request
Server-side seed generation failure returning a 500 error

Input

Schema · Request body

Field	Type	Description
max	string	default 100
min	string	default 1
client_seed	string	your seed for verifiability

Output

Schema · Response

{
  "type": "json",
  "example": {
    "proof": "HMAC-SHA256(server_seed, client_seed) first 4 bytes mod range — recompute to verify",
    "value": 4,
    "server_seed_revealed": "e3b1..."
  }
}