Marketplace · API · x402

toolcall.click/t/chem/compatibility

Can chemical A be safely mixed or stored with chemical B? Pass two CAS numbers or names. Returns a verdict (incompatible / caution / no_known_hazard), the reason, expected effects (gas evolution, heat, fire, toxic fumes) and confidence, from expert reasoning over PubChem GHS data and CAMEO-derived reactivity profiles. JSON response. $0.03 USDC per call, pay via x402, no API key.

Endpoint	`https://toolcall.click/t/chem/compatibility`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~199 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	0x84FA7Ea8303d4f503267e2e998A3F7D980e814a5
method	GET
last updated	2026-11-11T03:21:43.728Z

Use it

Call it (an x402 client pays automatically)

curl -i https://toolcall.click/t/chem/compatibility
# 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/x402-4098429ed0aecee5

Search the whole marketplace from your agent (MCP)

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