Returns a per-day download time series for an npm package over a period from key
Returns a per-day download time series for an npm package over a period from keyless api.npmjs.org — the raw signal for trend and growth-rate detection. Lets autonomous agents compute momentum/decline and feed agent-to-agent dependency-selection scoring. Ranking surface for trajectory. First call FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.
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://npm-downloads-range.hergertsynthora.com/service
| Category | Market data |
|---|---|
| Provider host | npm-downloads-range.hergertsynthora.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"package": "express",
"period": "last-week"
},
"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": {
"end": {
"format": "date",
"type": "string"
},
"package": {
"description": "npm package, including scoped packages",
"minLength": 1,
"type": "string"
},
"period": {
"default": "last-week",
"enum": [
"last-day",
"last-week",
"last-month"
],
"type": "string"
},
"start": {
"format": "date",
"type": "string"
}
},
"required": [
"package"
],
"type": "object"
},
"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": {
"niche": {
"type": "string"
},
"ok": {
"type": "boolean"
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}