Verifiable RNG — cryptographically-random integer(s) signed by the treasury key
Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1042 msmedian answer time
$0.001listed price per call
$0.001price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.anchor-x402.com/v1/roll
| Category | Everything else |
|---|---|
| Provider host | api.anchor-x402.com |
| Networks | eip155:137, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 10 from 6 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 1042 ms |
Example input (from the provider)
{
"body": {
"count": 1,
"high": 100,
"label": "treasure_drop_42",
"low": 1
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"commitment": {
"description": "Optional 32-byte hex pre-commitment from the caller.",
"type": "string"
},
"count": {
"default": 1,
"description": "How many integers to sample. 1-100.",
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"high": {
"description": "Inclusive high bound. Must be >= low.",
"type": "integer"
},
"label": {
"description": "Optional caller tag, included in the signed payload.",
"maxLength": 200,
"type": "string"
},
"low": {
"description": "Inclusive low bound of the integer range.",
"type": "integer"
}
},
"required": [
"low",
"high"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}