Marketplace · API · x402

pay.sunn3d.com/v1/x402/publications/pub-performance-based-specifications-architecture-guide

Guide from Sunnyday Technologies to performance-based specifications: stating the outcomes a material or system must meet and tying them to submittals, testing and acceptance, with notes on procurement, quality control, schedule and responsibilities. Edited text edition, about 930 words, HTML. The company's professional perspective; not a project specification, contract interpretation, code determination or project-specific engineering.

Use it

Call it (an x402 client pays automatically)

curl -i https://pay.sunn3d.com/v1/x402/publications/pub-performance-based-specifications-architecture-guide
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-26b9ec0a8cd39ec6

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}