Marketplace · API · x402

liquidvision.app/api/v1/oi/history/BTCUSDT

LiquidVision.app: Open interest history: open interest (OI) of a crypto perpetual futures contract by exchange, Binance, Bybit, OKX, Hyperliquid and 9 more venues, in coins and USD, the latest value and its history, as the exchanges report it.

Endpoint	`https://liquidvision.app/api/v1/oi/history/BTCUSDT`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:42161
scheme	exact
pay to	0xF351C929D7be36737a2E24FF2f3e359867086C77
method	GET
last updated	2026-11-13T03:58:02.963Z

Use it

Call it (an x402 client pays automatically)

curl -i https://liquidvision.app/api/v1/oi/history/BTCUSDT
# 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/x402-62c57c442c7c1e39

Search the whole marketplace from your agent (MCP)

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