www.elements-live.com/v1/subjects/search

Resolve a free-text topic, compound or material to a subject id.

Endpoint	`https://www.elements-live.com/v1/subjects/search`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~140 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xCa58EA577BAdEd6fb676Fcea378B4111C29F46F5
method	GET
last updated	2026-11-08T13:33:24.675Z

Use it

Call it (an x402 client pays automatically)

curl -i https://www.elements-live.com/v1/subjects/search
# 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-fef43eaa7d5cc23f

Search the whole marketplace from your agent (MCP)

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