Marketplace · API · x402

collectablespulse.theaslangroupllc.com/api/collect/provenance

Provenance & ownership history check: research the chain of ownership, Art Loss Register / stolen-art checks, and authenticity documentation for art, antiques and memorabilia. Worldwide. For collector and appraiser agents.

Endpoint	`https://collectablespulse.theaslangroupllc.com/api/collect/provenance`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~235 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	0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
method	GET
last updated	2026-10-16T02:44:13.323Z

Use it

Call it (an x402 client pays automatically)

curl -i https://collectablespulse.theaslangroupllc.com/api/collect/provenance
# 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-a77e45068e6c4d6a

Search the whole marketplace from your agent (MCP)

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