Use this after fair_commit, once every player has seen the server_seed_hash
Use this after fair_commit, once every player has seen the server_seed_hash: give your client_seed and get uniform random integers in [min, max]. Price: $0.003 in USDC on Base or Solana, or $0.02 in USDG or $SWOGE on Robinhood Chain (tool price + settlement cost, minimum $0.02).
Answeringour last check, 2026-09-29
1 of 1checks answered this week
938 msmedian answer time
$0.003listed price per call
$0.003price 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://web-production-220a3.up.railway.app/agentic/call/fair_draw
| Category | Market data |
|---|---|
| Provider host | web-production-220a3.up.railway.app |
| Networks | eip155:4663, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-29 | valid payment request | 402 | $0.003 | 938 ms |
Example input (from the provider)
{
"body": {
"arguments": {
"client_seed": "agent-42",
"commitment_id": "6a1f0c3e9b7d2a5c8e4f1b0d",
"count": 5,
"max": 6,
"min": 1
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"arguments": {
"properties": {
"client_seed": {
"type": "string"
},
"commitment_id": {
"type": "string"
},
"count": {
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"max": {
"type": "integer"
},
"min": {
"type": "integer"
}
},
"required": [
"commitment_id",
"client_seed"
],
"type": "object"
}
},
"required": [
"arguments"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"ok": {
"const": true,
"type": "boolean"
},
"outil": {
"const": "fair_draw",
"type": "string"
},
"resultat": {
"properties": {
"algorithm": {
"type": "string"
},
"already_drawn": {
"type": "boolean"
},
"client_seed": {
"type": "string"
},
"commitment_id": {
"type": "string"
},
"committed_at": {
"type": "string"
},
"count": {
"type": "number"
},
"drawn_at": {
"type": "string"
},
"max": {
"type": "number"
},
"min": {
"type": "number"
},
"note": {
"type": [
"string",
"null"
]
},
"numbers": {
"items": {
"type": "number"
},
"type": "array"
},
"server_seed": {
"type": "string"
},
"server_seed_hash": {
"type": "string"
},
"verify_code": {
"type": "string"
}
},
"required": [
"commitment_id",
"algorithm",
"server_seed_hash",
"server_seed",
"client_seed",
"count",
"min",
"max",
"numbers",
"drawn_at",
"verify_code",
"already_drawn"
],
"type": "object"
},
"texte": {
"type": "string"
},
"x402": {
"properties": {
"amount": {
"type": "string"
},
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"transaction": {
"type": "string"
}
},
"required": [
"transaction",
"network",
"amount",
"asset"
],
"type": "object"
}
},
"required": [
"ok",
"outil"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}