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DecryptrDevelopers
Derivatives

Funding and open interest

Derived from Hyperliquid public data; keep the attribution line with it. Never includes Decryptr users' own wallets. Hourly funding rate, premium and open interest for one perpetual, newest first. No prices.

Cost: 1 call per item returned, at least one item's worth. The request first reserves limit x 1 calls (and is refused with 429 if that many are not available), then pays only for what came back.

Needs scope derivatives:read and the starter plan or above.

How calls are counted

Authorization

headerAuthorizationBearer <dcr_live_<8 hex>_<43 base64url> or dcr_test_...>

Your API key as a Bearer token: Authorization: Bearer dcr_live_....

Path Parameters

asset*string

Asset symbol, letters and digits, case-insensitive.

Match^[A-Za-z0-9]{1,15}$

Query Parameters

since?string

Only items at or after this time (ISO 8601 with offset). Must be inside your plan's history (Developer 7 days, Starter 30, Pro 365, Business all). Defaults to the start of your history.

Formatdate-time
until?string

Only items at or before this time (ISO 8601 with offset). Defaults to now; on Developer it is capped 60 minutes before now.

Formatdate-time
cursor?string

next_cursor from the previous page, passed back as it is. Opaque: do not build or change it.

Lengthlength <= 300
limit?integer

Items to return, 1 to 100. Your plan allows max_page calls per request (Developer 10, Starter 25, Pro 50, Business 100), so at most max_page divided by this endpoint's calls per item. Default 20, or that maximum if lower. The request reserves limit x calls per item before it runs: ask only for what you need.

Range1 <= value <= 100

Response Body

OK.

application/json
  1. response
data*array<>
as_of*string

When the response was made.

Formatdate-time
next_cursor*|

Pass as cursor for the next page. null when this is the last page.

attribution*"Includes data derived from Hyperliquid public data."

Attribution you must keep with this data.

Value in"Includes data derived from Hyperliquid public data."
disclaimer*string

Plain-language notice. Information only, not financial advice.

Example Request
curl -X GET 'https://data.decryptr.ai/v1/derivatives/BTC/funding?since=2026-10-20T00%3A00%3A00Z&until=2026-10-23T12%3A00%3A00Z&cursor=eyJ0IjoiMjAyNi0xMC0yM1QxMDowMDowMC4wMDBaIn0&limit=10'
Example Response
{  "data": [    {      "asset": "BTC",      "at": "2026-10-23T12:00:00.000Z",      "funding_rate": -0.0000125,      "premium": -0.0001,      "open_interest": 25000    },    {      "asset": "BTC",      "at": "2026-10-23T11:00:00.000Z",      "funding_rate": 0,      "premium": 0,      "open_interest": 25003    },    {      "asset": "BTC",      "at": "2026-10-23T10:00:00.000Z",      "funding_rate": 0.0000125,      "premium": 0.0001,      "open_interest": 25006    }  ],  "next_cursor": "eyJ0IjoiMjAyNi0xMC0yM1QxMDowMDowMC4wMDBaIn0",  "as_of": "2026-10-23T12:32:30.000Z",  "attribution": "Includes data derived from Hyperliquid public data.",  "disclaimer": "Information only, not financial advice or a recommendation."}