Normalize npm or PyPI package reality
Normalize npm or PyPI package reality: existence, requested-version existence, resolved/latest version, staleness, deprecation/yank state when available, license and runtime requirement. No dependency graph or vulnerability analysis. Public registries only; unsupported provider fields are null.
Answeringour last check, 2026-09-27
1 of 1checks answered this week
938 msmedian answer time
$0.002listed price per call
$0.002price 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://http--forest-gas-station--lcjl27p8lmjs.code.run/package/preflight
| Category | Code and developer |
|---|---|
| Provider host | http--forest-gas-station--lcjl27p8lmjs.code.run |
| Networks | 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 |
|---|---|---|---|---|
| 2026-09-27 | valid payment request | 402 | $0.002 | 938 ms |
Example input (from the provider)
{
"body": {
"ecosystem": "npm",
"package": "express",
"version": "5.1.0"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"ecosystem": {
"enum": [
"npm",
"pypi"
]
},
"package": {
"maxLength": 214,
"minLength": 1,
"type": "string"
},
"version": {
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"ecosystem",
"package"
],
"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"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"capability": {
"const": "package.preflight"
},
"data": {
"additionalProperties": false,
"properties": {
"deprecated": {
"type": [
"boolean",
"null"
]
},
"ecosystem": {
"enum": [
"npm",
"pypi"
]
},
"exists": {
"type": "boolean"
},
"latest_version": {
"type": [
"string",
"null"
]
},
"license": {
"type": [
"string",
"null"
]
},
"outdated": {
"type": [
"boolean",
"null"
]
},
"package": {
"type": "string"
},
"project_url": {
"type": [
"string",
"null"
]
},
"registry_url": {
"type": [
"string",
"null"
]
},
"requested_version": {
"type": [
"string",
"null"
]
},
"requested_version_exists": {
"type": [
"boolean",
"null"
]
},
"requires_runtime": {
"type": [
"string",
"null"
]
},
"resolved_version": {
"type": [
"string",
"null"
]
},
"yanked": {
"type": [
"boolean",
"null"
]
}
},
"required": [
"ecosystem",
"package",
"exists",
"requested_version",
"requested_version_exists",
"resolved_version",
"latest_version",
"outdated",
"deprecated",
"yanked",
"license",
"requires_runtime",
"project_url",
"registry_url"
],
"type": "object"
},
"meta": {
"additionalProperties": false,
"properties": {
"cache": {
"enum": [
"hit",
"miss",
"bypass"
]
},
"checked_at": {
"type": "string"
},
"duration_ms": {
"minimum": 0,
"type": "integer"
},
"provider": {
"type": [
"string",
"null"
]
}
},
"required": [
"provider",
"checked_at",
"cache",
"duration_ms"
],
"type": "object"
},
"ok": {
"const": true
},
"version": {
"const": "1"
}
},
"required": [
"ok",
"capability",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}