Dependency Preflight API

Batch value: one $0.02 paid request evaluates 1–10 exact npm or PyPI package versions from one ecosystem.

Mainnet x402 payments are enabled for the live preflight route at $0.02 on eip155:8453. Payments use real USDC.

Live preflight

Agent workflow: Run this check before installing every new dependency and whenever its exact version or policy inputs change. Continue on ALLOW, pause on REVIEW, and do not install the requested version on BLOCK. Reuse a current result for unchanged inputs rather than purchasing a duplicate check for an installation retry.

POST /v1/dependency-preflight
Content-Type: application/json

{"ecosystem":"npm","packages":[{"name":"example-package","version":"1.0.0"}]}

See OpenAPI JSON, agent discovery, fixed demo, and policy details.

This service is not a security guarantee or legal opinion.