Marketplace · API · x402

signals.nsgoods.org/regime/changed

Market-regime state (RISK_ON / RISK_OFF) from a provable chain, plus whether it changed since the regime you last saw. Cheap poll endpoint for AI agents to react to regime flips (USDC on Base). Free preview: GET /signals/preview An unavailable regime feed returns 503; you are never charged for an error.

Endpoint	`https://signals.nsgoods.org/regime/changed`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~548 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	0xc87a06DEE4c0E85912296002617120BBfd5EF990
method	GET
last updated	2026-11-03T04:32:02.044Z

Use it

Call it (an x402 client pays automatically)

curl -i https://signals.nsgoods.org/regime/changed
# 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/x402-9b66b012e5cf1eb3

Search the whole marketplace from your agent (MCP)

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