passlisted in Coinbase#21 by calls of 28 on this host
0.003 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-01 12:07 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.003 USDC
- Networks
- 1
How has the volume on this endpoint moved?
Of api.usenami.io's 28 listings, perp oi delta ranks tied 21st by calls with 7 others.
The request to perp oi delta is the query parameters venue, ticker and lookback_hours.
A response from perp oi delta, as declared, includes venue, ticker, past_oi, past_ts, delta_pct, current_oi and 2 others.
perp oi delta drew a single call from a single payer in the trailing 30 days.
The last call to perp oi delta came 14 days before the snapshot, 2026-09-01.
The declared price is 0.003 USDC on Base.
perp oi delta takes 1% of the calls counted across api.usenami.io.
At api.usenami.io, perp oi delta takes GET requests, is listed in the Coinbase registry, and falls under market data by TOLL's rules.
perp oi delta answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to perp oi delta within market data: route at 402signal.com and kol sentiment at x402.ottoai.services.
perp oi delta is priced above 16% of comparable listings in market data.
The wallet paid by perp oi delta is the payee of 29 endpoints on one host.
The seller's tags on perp oi delta are funding, perpetual, trading and multi-venue.
230 other listings in market data declare exactly the same price.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0x153872…10475c |
the checks, as of 2026-09-15 04:46 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:46 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:42 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:40 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:56 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:32 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-01 12:07 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"venue": {
"type": "string",
"required": true,
"description": "Venue name. Required."
},
"ticker": {
"type": "string",
"required": true,
"description": "Base ticker. Required."
},
"lookback_hours": {
"type": "integer",
"required": false,
"description": "Hours to look back. Default 24, max 168."
}
}
},
"output": {
"type": "json",
"example": {
"venue": "binance",
"ticker": "BTC",
"past_oi": 95012.5,
"past_ts": "2026-05-30T16:00:00Z",
"delta_pct": 3.83,
"current_oi": 98650.31,
"current_ts": "2026-05-31T16:00:00Z",
"lookback_hours": 24
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "perp oi delta on api.usenami.io", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/api-usenami-io-v1-perp-oi-delta-54e20c/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-api-usenami-io-v1-perp-oi-delta-54e20c-2026-09-15T16-57Z,
author = {TOLL},
title = {perp oi delta on api.usenami.io},
howpublished = {\url{https://tollindex.com/e/api-usenami-io-v1-perp-oi-delta-54e20c/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.