Empirical lower-tail statistics of periodic returns you supply (decimals, 20-250
Empirical lower-tail statistics of periodic returns you supply (decimals, 20-250 values): lower quantile and mean of observations at or below it. Numbers only, documented convention. Not advice, not a risk limit.
Answeringour last check, 2026-10-11
1 of 1checks answered this week
388 msmedian answer time
$0.05listed price per call
$0.05price 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://heb-utils-x402.hebutils-api.workers.dev/return-tail-stats
| Category | Everything else |
|---|---|
| Provider host | heb-utils-x402.hebutils-api.workers.dev |
| Networks | eip155:8453, eip155:84532 |
| 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 |
|---|---|---|---|---|
| 2026-10-11 | valid payment request | 402 | $0.05 | 388 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"confidence": "0.95",
"returns": "-0.012,0.004,0.009,-0.021,0.003,0.011,-0.007,0.002,-0.015,0.008,0.001,-0.004,0.006,-0.009,0.013,-0.002,0.005,-0.018,0.007,0.003"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"confidence": {
"description": "up to 3 levels, 0.5-0.999",
"type": "string"
},
"returns": {
"description": "comma-separated returns as decimals, 20-250 values",
"type": "string"
}
},
"required": [
"returns"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}