perp_funding
Read-onlyIdempotent
The futures side of a trade — funding, OI, basis, crowding — Choosing between spot and a perp? This is the data that choice needs. Aggregate OI-weighted perpetual funding, open interest and basis for a coin across venues (CoinGecko, no key): who pays whom (longs crowded vs shorts crowded), the carry you earn or bleed holding the perp, and contango vs backwardation. Verdict neutral / elevated / extreme. Pass symbol=BTC. Funding annualised as an estimate (8h intervals assumed). A market-structure signal, not a price call. Not financial advice. Required input: symbol. Priced $0.04 per call over x402 on Base; send a prepaid x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| symbol | Yes | Coin symbol (BTC, ETH, SOL…) |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| data | No | The result payload. Shape is service-specific; every field is documented in the tool description. | |
| service | No | The service id that answered. | |
| checkedAt | No | ISO-8601 timestamp of when the underlying reads were taken. |