Normal distribution with optional mean (default 0) and standard deviation sd (de
Normal distribution with optional mean (default 0) and standard deviation sd (default 1). `function` selects the density (pdf), cumulative distribution (cdf) or quantile / inverse-CDF.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
463 msmedian answer time
$0.004listed price per call
$0.004price 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://distribution.openverbs.com/v1/normal
| Category | Everything else |
|---|---|
| Provider host | distribution.openverbs.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 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 | $0.004 | 463 ms |
Example input (from the provider)
{
"body": {
"function": "pdf",
"mean": 1,
"sd": 1,
"x": 1
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"function": {
"enum": [
"pdf",
"cdf",
"quantile"
],
"type": "string"
},
"mean": {
"description": "Mean \u03bc. Default 0.",
"type": "number"
},
"sd": {
"description": "Standard deviation \u03c3 > 0. Default 1.",
"exclusiveMinimum": 0,
"type": "number"
},
"x": {
"description": "Evaluation point: the variate for pdf/pmf/cdf, or the probability p \u2208 (0,1) for quantile.",
"type": "number"
}
},
"required": [
"function",
"x"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}