Flip one fair coin
Flip one fair coin. Returns heads or tails, each with probability one half. Uses the server OS CSPRNG. Returns consumed bytes for reproducible calculation, not proof of their origin. Price: 0.007 USDC per request, including the bounded batch.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1015 msmedian answer time
$0.007listed price per call
$0.007price 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
GET https://api.solgiery.com/v1/random/coin
| Category | Market data |
|---|---|
| Provider host | api.solgiery.com |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.007 | 1015 ms |
Example input (from the provider)
{
"method": "GET",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"description": "Unknown or duplicate parameters and null parameter values are rejected. JSON body: at most 65536 bytes, depth 16, and 4096 bytes per item. Repeated sample items together must fit 65536 bytes.",
"properties": {},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"algorithm": {
"const": "solgiery-random-v1",
"type": "string"
},
"entropy": {
"additionalProperties": false,
"properties": {
"hex": {
"maxLength": 262144,
"pattern": "^([0-9a-f]{2})*$",
"type": "string"
},
"source": {
"const": "os-csprng",
"type": "string"
}
},
"required": [
"source",
"hex"
],
"type": "object"
},
"result": {
"enum": [
"heads",
"tails"
],
"type": "string"
}
},
"required": [
"algorithm",
"result",
"entropy"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}