Marketplace · API · x402

api.belfortagent.xyz/v1/companies/:id/holders

Returns Form 13F holders of an issuer for one report period (newest when period is omitted). Top 25 by value_usd by default. Every row carries its source accession. Charged only when at least one record comes back; errors and empty results are free.

Endpoint	`https://api.belfortagent.xyz/v1/companies/:id/holders`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x80bEF165f2895539CfEcd74A7949A88e576e5E09
method	GET
last updated	2026-11-09T15:13:15.417Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.belfortagent.xyz/v1/companies/:id/holders
# 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-f3b908dc9a412b12

Search the whole marketplace from your agent (MCP)

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