{"slug":"audit-152-53-82-29-sslip-io-v1-npm-49f58b","title":"Check npm packages before you install or upgrade","host":"audit.152-53-82-29.sslip.io","method":"POST","resource":"https://audit.152-53-82-29.sslip.io/v1/npm","category":"code","description":"Check npm packages before you install or upgrade. Send {\"packages\":[\"lodash@4.17.20\",\"express\"]} or a package.json (dependencies and devDependencies), up to 50 packages. Per package: latest version and publish date, whether a pinned version is behind, license, deprecation notice, weekly downloads, a","price_listed":0.005,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"packages":["lodash@4.17.20","express","left-pad"]},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"dependencies":{"type":"object"},"devDependencies":{"type":"object"},"packages":{"description":"npm packages as name or name@version","items":{"type":"string"},"type":"array"}},"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":{"properties":{"elapsed_ms":{"type":"integer"},"rows":{"items":{"properties":{"behind":{"type":["boolean","null"]},"deprecated":{"type":["boolean","string","null"]},"ecosystem":{"type":"string"},"latest":{"type":["string","null"]},"latest_published":{"type":["string","null"]},"license":{"type":["string","null"]},"max_severity":{"type":["string","null"]},"name":{"type":"string"},"notes":{"items":{"type":"string"},"type":"array"},"pinned":{"type":["string","null"]},"requested":{"type":["string","null"]},"vulnerabilities":{"items":{"properties":{"aliases":{"items":{"type":"string"},"type":"array"},"fixed_in":{"type":["string","null"]},"id":{"type":"string"},"severity":{"type":"string"},"summary":{"type":"string"}},"type":"object"},"type":"array"},"vulnerability_count":{"type":"integer"},"weekly_downloads":{"type":["integer","null"]}},"type":"object"},"type":"array"},"sources":{"items":{"type":"string"},"type":"array"},"summary":{"properties":{"behind_latest":{"type":"integer"},"deprecated":{"type":"integer"},"lookup_errors":{"type":"integer"},"packages":{"type":"integer"},"unpinned":{"type":"integer"},"with_vulnerabilities":{"type":"integer"}},"type":"object"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Check npm packages before you install or upgrade. Send {\"packages\":[\"lodash@4.17.20\",\"express\"]} or a package.json (dependencies and devDependencies), up to 50 packages. Per package: latest version and publish date, whether a pinned version is behind, license, deprecation notice, weekly downloads, and known vulnerabilities from OSV with severity and first fixed version. Deterministic registry data, no LLM.","last_updated":"2026-09-23T01:00:08.426Z","schemes":["exact"]}