Api Endpoint

Package Check Before Install

Check dependencies before your coding agent installs them: up to 20 packages per call (npm, PyPI, crates.io, Go, Maven, NuGet, RubyGems), one decision each: ALLOW, CAUTION or BLOCK with reasons. Catches hallucinated package names that do not exist (slopsquatting), known malware (OSV malicious-package feed, including versions already removed from the registry), typosquats one typo away from a popular package, critical and high vulnerabilities in the exact version with a safe upgrade, deprecated…

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Offering

Provider
agentsvc.io
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://agentsvc.io/api/v1/proxy/package-check
MIME type
application/json
First seen
2026-10-16T01:50:45.949Z
Last seen
Tags
dependency-check, slopsquatting, typosquatting, malicious-package, supply-chain-security

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.004 USDC
Atomic price: 4000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.004 USDC
Atomic price: 4000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 3
0.004 USDC
Atomic price: 4000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 4
0.004 USDC
Atomic price: 4000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "4000",
    "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "4000",
    "payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "4000",
    "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "4000",
    "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27"
  }
]

Observed health

Status
Healthy
Latest latency
309 ms
Average latency
745 ms
HTTP status
204
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "packages": {
          "type": "array",
          "minItems": 1,
          "maxItems": 20,
          "description": "Strings like \"express@4.17.1\", \"pypi:requests==2.31.0\", \"go:github.com/gin-gonic/gin\", \"maven:org.apache.logging.log4j:log4j-core:2.14.1\", or {name, ecosystem, version}",
          "items": {
            "anyOf": [
              {
                "type": "string",
                "maxLength": 300
              },
              {
                "type": "object",
                "properties": {
                  "name": {
                    "type": "string"
                  },
                  "ecosystem": {
                    "type": "string"
                  },
                  "version": {
                    "type": "string",
                    "description": "Exact version or npm range; default latest"
                  }
                },
                "required": [
                  "name"
                ]
              }
            ]
          }
        },
        "ecosystem": {
          "type": "string",
          "description": "Default for entries without a prefix: npm, pypi, cargo, go, maven, nuget or rubygems. Default npm"
        },
        "manifest": {
          "type": "string",
          "maxLength": 100000,
          "description": "Contents of a package.json or requirements.txt (alternative to packages)"
        }
      },
      "required": []
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "ecosystem": {
              "description": "Default for entries without a prefix: npm, pypi, cargo, go, maven, nuget or rubygems. Default npm",
              "type": "string"
            },
            "manifest": {
              "description": "Contents of a package.json or requirements.txt (alternative to packages)",
              "maxLength": 100000,
              "type": "string"
            },
            "packages": {
              "description": "Strings like \"express@4.17.1\", \"pypi:requests==2.31.0\", \"go:github.com/gin-gonic/gin\", \"maven:org.apache.logging.log4j:log4j-core:2.14.1\", or {name, ecosystem, version}",
              "items": {
                "anyOf": [
                  {
                    "maxLength": 300,
                    "type": "string"
                  },
                  {
                    "properties": {
                      "ecosystem": {
                        "type": "string"
                      },
                      "name": {
                        "type": "string"
                      },
                      "version": {
                        "description": "Exact version or npm range; default latest",
                        "type": "string"
                      }
                    },
                    "required": [
                      "name"
                    ],
                    "type": "object"
                  }
                ]
              },
              "maxItems": 20,
              "minItems": 1,
              "type": "array"
            }
          },
          "required": []
        },
        "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": {
          "properties": {
            "data": {
              "properties": {
                "checked_at": {
                  "type": "string"
                },
                "packages": {
                  "type": "array"
                },
                "sources": {
                  "type": "string"
                },
                "summary": {
                  "type": "object"
                },
                "verdict": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "success": {
              "type": "boolean"
            }
          },
          "required": [
            "success",
            "data"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}