Agent APIs
x402 endpoints for automated agents
Three live endpoints serve automated agents for npm-related checks and public DNS record lookups.
npm-health-x402-v2
Health checks for npm packages.
Open endpointnpm-dependency-risk-x402-v1
Dependency risk signals for npm projects.
Open endpointbulk-dmarc-lookup
Retrieves current public DMARC DNS records for supplied domains.
Settlement-verified on PayAPI MarketOpen endpoint
How payments work
Each endpoint explains its own x402 payment requirements when queried. An unpaid 402 response is not a purchase — payment happens only through the x402 flow the endpoint itself describes.