Marketplace · API · x402

api.additiveatlas.monon.space/v1/substances/:id/diff

One substance, with the cross-axis derivation: what every other jurisdiction (JP, EU, US, Codex, IARC, JECFA, EFSA) says about it, with per-cell sources, kept separate from what was derived

Endpoint	`https://api.additiveatlas.monon.space/v1/substances/:id/diff`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~1357 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	0x6fFF720533330Bf937130F5542511754258d88DA
method	GET
last updated	2026-10-31T09:18:30.682Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.additiveatlas.monon.space/v1/substances/:id/diff
# 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-c26fab804878747f

Search the whole marketplace from your agent (MCP)

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