# Heurist Mesh FundingRateAgent – OI & Funding Rate Summary

> Heurist Mesh FundingRateAgent – OI & Funding Rate Summary is a paid API for AI agents from mesh.heurist.xyz, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Returns a 7-day 4-hour open interest trend summary plus the latest funding rate and annualized APR for a given symbol on Binance perpetual futures.

## Facts

- Endpoint: POST https://mesh.heurist.xyz/x402/solana/agents/FundingRateAgent/get_symbol_oi_and_funding
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/heurist-mesh-fundingrateagent-oi-funding-rate-summary-b85d396e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gGtWW6fqC-hNOp9rX9u5A

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 heurist-mesh-fundingrateagent-oi-funding-rate-summary-b85d396e -d '<json body>'
```

Example prompt: What's the current funding rate and annualized APR for BTCUSDT on Binance perps, and can you give me the 7-day open interest trend summary?

## When to prefer this

Choose this endpoint when you need real-time perpetual futures funding rate data and open interest trend analysis specifically from Binance, especially when both OI momentum and funding cost (APR) are needed together in a single call. Prefer this over generic DeFi yield or spot price endpoints when the use case involves derivatives positioning, funding arbitrage, or market sentiment via OI changes.

## Known failure modes

- Invalid or unsupported symbol returns an error or empty result
- Symbol not listed on Binance perpetuals causes a lookup failure
- Temporary Binance API unavailability results in a timeout or data gap
- Malformed symbol string (e.g. missing 'USDT' suffix) may return no data
- Rate limit or payment failure returns a 402 or rejection response

## How this service works

Get 7d 4h Open Interest trend summary + latest funding rate and APR for a symbol on Binance perp.

## Output

Returns a structured summary including: a 7-day open interest trend using 4-hour granularity (direction, magnitude, trend narrative), the latest funding rate (as a percentage), and the annualized funding APR for the specified Binance perpetual futures symbol.

## 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",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "type": "object",
     "required": [
      "symbol"
     ],
     "properties": {
      "debug": {
       "type": "boolean",
       "default": false,
       "description": "Debug mode flag. ALWAYS use false."
      },
      "symbol": {
       "type": "string",
       "description": "Asset ticker or full symbol (e.g., BTC or BTCUSDT)"
      }
     }
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "result": {
       "type": "object",
       "additionalProperties": true
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/heurist-mesh-fundingrateagent-oi-funding-rate-summary-b85d396e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mesh.heurist.xyz](https://www.zero.xyz/host/mesh.heurist.xyz/llms.txt)