# Binance Crypto Open Interest (OI)

> Binance Crypto Open Interest (OI) is a paid API for AI agents from agentdatum.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Returns the current total open interest (number of outstanding derivative contracts) for Binance perpetual futures, measuring leverage and market participation.

## Facts

- Endpoint: GET https://agentdatum.com/api/v1/d/crypto-oi
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/binance-crypto-open-interest-oi-449ff6e0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nkdJQMEoHoCtsrmG29XdU

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability binance-crypto-open-interest-oi-449ff6e0
```

Example prompt: What's the current open interest on Binance perpetual futures? I want to see how much leverage is in the market right now.

## When to prefer this

Choose this endpoint when you need a quick, free, no-auth lookup of Binance perpetual futures open interest to gauge derivatives market leverage or detect potential volatility events. Prefer it over building a direct Binance API integration when you want a simple GET call with no API key management. Best used alongside crypto-funding-rate for a full derivatives market sentiment picture.

## Known failure modes

- Binance API upstream outage returns error or stale data
- Rate limiting or network timeout if Binance is under load
- Response may be slightly delayed rather than true real-time during high volatility
- No filtering by symbol may be supported — returns aggregate or default symbol OI only

## How this service works

Crypto Open Interest — Binance futures open interest (OI): total open contracts, measures leverage and participation. Sudden OI spikes often precede volatility, free no key.

## Output

Returns the total number of outstanding (open) derivative contracts on Binance perpetual futures, typically including the symbol, open interest value (in contracts or USD), and a timestamp. This data reflects how much leveraged exposure exists in the market at that moment.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "raw": {
   "time": 1786666425505,
   "symbol": "BTCUSDT",
   "open_interest": "109713.030"
  },
  "source": "binance_oi",
  "data_type": "区块链衍生品",
  "collected_at": "2026-08-14T00:13:48Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/binance-crypto-open-interest-oi-449ff6e0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentdatum.com](https://www.zero.xyz/host/agentdatum.com/llms.txt)