Marketplace · API · x402
collectablespulse.theaslangroupllc.com/api/collect/population
Population report & grade scarcity: PSA/PCGS/CGC census lookup for any graded card, coin or comic. Returns how many exist at each grade, pop-with-higher, and scarcity analysis to gauge true rarity. Worldwide. For collector and investor agents.
| Endpoint | https://collectablespulse.theaslangroupllc.com/api/collect/population |
| Trust | ✓ Verified callable · 100% uptime over 1 checks · ~264 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 | 2026-10-16T02:44:13.052Z |
Use it
Call it (an x402 client pays automatically)
curl -i https://collectablespulse.theaslangroupllc.com/api/collect/population
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATUREThis listing as JSON
curl https://aipaygen.com/v1/catalog/api/x402-e0e4392b1949f472Search the whole marketplace from your agent (MCP)
{
"mcpServers": {
"aipaygen": {
"url": "https://aipaygen.com/mcp"
}
}
}