Check an open-source package for known vulnerabilities via the OSV database (Goo
Check an open-source package for known vulnerabilities via the OSV database (Google Open Source Vulnerabilities). Pass package name, ecosystem (npm, PyPI, Go, crates.io, Maven, RubyGems, etc.) and optional version. Returns vulnerability IDs, summaries, severity and fixed versions. Essential pre-install check for coding agents.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
20 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
GET https://data.japanagent.dev/vuln/check
| Category | Code and developer |
|---|---|
| Provider host | data.japanagent.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.002 | 20 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"ecosystem": "npm",
"package": "lodash",
"version": "4.17.15"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"ecosystem": {
"description": "npm | PyPI | Go | Maven | crates.io | RubyGems | NuGet | Packagist",
"type": "string"
},
"package": {
"description": "Package name as registered in the ecosystem (npm: lodash / PyPI: requests / Maven: org.apache.logging.log4j:log4j-core)",
"type": "string"
},
"version": {
"description": "Optional exact version to check",
"type": "string"
}
},
"required": [
"package",
"ecosystem"
],
"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"
}