Use when an agent must check a dependency before installing or upgrading
Use when an agent must check a dependency before installing or upgrading: is this exact package version vulnerable? Input: package, ecosystem (npm, PyPI, Go, Maven, crates.io, NuGet, RubyGems, Packagist...), version. Output: JSON vulnerable yes/no, counts by severity, advisories (GHSA/CVE id, summary, severity, CVSS, CWE, fixed versions, links). Data: OSV.dev. Example: ?package=lodash&ecosystem=npm&version=4.17.15
Answeringour last check, 2026-10-18
1 of 1checks answered this week
31 msmedian answer time
$0.003listed price per call
$0.003price 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://1gateway.dev/v1/dev/vulnerabilities
| Category | Code and developer |
|---|---|
| Provider host | 1gateway.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.003 | 31 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"ecosystem": "npm",
"package": "lodash",
"version": "4.17.15"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"ecosystem": {
"description": "Package ecosystem (case-insensitive; pip/python, cargo/rust, composer, gem also accepted)",
"enum": [
"npm",
"PyPI",
"Go",
"Maven",
"crates.io",
"NuGet",
"RubyGems",
"Packagist",
"Pub",
"Hex",
"Hackage",
"CRAN",
"SwiftURL"
],
"examples": [
"npm"
],
"type": "string"
},
"package": {
"description": "Package name as in its registry (Go: module path; Maven: group:artifact)",
"examples": [
"lodash"
],
"maxLength": 214,
"type": "string"
},
"version": {
"description": "Exact released version",
"examples": [
"4.17.15"
],
"maxLength": 64,
"type": "string"
}
},
"required": [
"package",
"ecosystem",
"version"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"attribution": {
"type": "string"
},
"bySeverity": {
"properties": {
"critical": {
"type": "integer"
},
"high": {
"type": "integer"
},
"low": {
"type": "integer"
},
"moderate": {
"type": "integer"
},
"unknown": {
"type": "integer"
}
},
"type": "object"
},
"count": {
"type": "integer"
},
"fixedVersionsMentioned": {
"items": {
"type": "string"
},
"type": "array"
},
"note": {
"type": "string"
},
"package": {
"properties": {
"ecosystem": {
"type": "string"
},
"name": {
"type": "string"
},
"version": {
"type": "string"
}
},
"type": "object"
},
"truncated": {
"type": "boolean"
},
"vulnerabilities": {
"items": {
"properties": {
"advisory": {
"type": [
"string",
"null"
]
},
"aliases": {
"items": {
"type": "string"
},
"type": "array"
},
"cve": {
"type": [
"string",
"null"
]
},
"cvss": {
"properties": {
"type": {
"type": "string"
},
"vector": {
"type": "string"
}
},
"type": [
"object",
"null"
]
},
"cwe": {
"items": {
"type": "string"
},
"type": "array"
},
"fixedIn": {
"items": {
"type": "string"
},
"type": "array"
},
"id": {
"type": "string"
},
"modified": {
"type": [
"string",
"null"
]
},
"published": {
"type": [
"string",
"null"
]
},
"severity": {
"type": [
"string",
"null"
]
},
"summary": {
"type": [
"string",
"null"
]
},
"url": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"vulnerable": {
"type": "boolean"
}
},
"required": [
"package",
"vulnerable",
"count",
"bySeverity",
"fixedVersionsMentioned",
"vulnerabilities",
"truncated",
"attribution",
"note"
],
"type": "object"
},
"type":