TOLL

What software pays for, recorded every six hours.

Snapshot
2026-10-13 14:08 UTC
Sweep
daily-2026-10-21 · finished 2026-10-21 22:33 UTC
Listed
32,435

perp basis derived

api.usenami.ioMarket dataderived

GET https://api.usenami.io/v1/perp/basis

passabsent from every registry#3 by calls of 9 on this host

0.005 USDC

per call, as the listing declares it on eip155:8453

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-10-12 15:20 UTC · method

Validation state
pass
as of 2026-10-12 07:39 UTC · method · sweep daily-2026-10-12
Uptime, 7 / 30 / 90 days
— / 100% / 100%
as of 2026-10-12 07:39 UTC · method · 0 of 0 in 7d, 18 of 18 in 30d, 29 of 29 in 90d
Calls, trailing 30 days
1
as of 2026-10-12 15:20 UTC · method
Unique payers, trailing 30 days
1
as of 2026-10-12 15:20 UTC · method
Last called
2026-09-12 19:57 UTC
as of 2026-10-12 15:20 UTC · method
First observed by TOLLderived
2026-09-10
as of 2026-09-10 19:08 UTC · method · observation began 10 September 2026; listings that predate it show that date
Pricederived
0.005 USDC
as of 2026-10-12 15:20 UTC · method · on eip155:8453
Networks
1
as of 2026-10-12 15:20 UTC · method

Counters

120 observations, 9 of them a change, and no more: the endpoint is absent from every registry

How has the volume on this endpoint moved?

-02468110 Sep11 Sep12 Sep13 Sep14 Sep15 Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25 Sep26 Sep27 Sep28 Sep29 Sep30 Sep1 Oct2 Oct3 Oct4 Oct5 Oct6 Oct7 Oct8 Oct9 Oct10 Oct11 Oct12 Oct
Calls counted in the trailing 30 days on this endpoint, at every snapshot since 2026-09-10 and ending at 2026-10-12, the last snapshot that carried it. Each point is a trailing-30-day sum as the registry published it, not a daily rate. The axis is truncated to the range of the data with a break at its foot. The series is final; nothing will be added to it.

In words

At api.usenami.io, perp basis takes GET requests, is listed in neither registry at the last pull, and falls under market data by TOLL's rules.

perp basis is priced at 0.005 USDC on Base.

Callers of perp basis supply the query parameters ticker and canonical_id.

perp basis returns json; the example shows items, ticker, methodology, venues_count and venues_without_index.

perp basis answered the sweep of 2026-10-12 with a valid 402, as at every sweep since 2026-09-11.

perp basis is one of 9 listed endpoints on api.usenami.io, tied 3rd by calls with 7 others among them.

perp basis takes 5% of the calls counted across api.usenami.io.

In the trailing 30 days: one call, one payer.

perp basis was last called 31 days before the snapshot.

Closest in price to perp basis within market data: stonk yield invoke at api.solenrich.com and wallet quick flag at scry.solanahub.de.

perp basis is priced above 26% of comparable listings in market data.

The wallet paid by perp basis is the payee of 29 endpoints on one host.

The seller's tags on perp basis are funding, perpetual, trading and multi-venue.

perp basis was missing from the Coinbase registry at the pull of 2026-10-13, confirmed at the pull of 2026-10-13; that is registry presence, not liveness.

The price of perp basis is declared by 898 other listings in market data too.

Where the sentences above compare this endpoint with others, the comparison is against the index as it stands now, live; the figures above are final.

Payment options as declared

the payment options, as of 2026-10-12 15:20 UTC · method

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.005 USDCexact0x153872…10475c

Preflight checks at the last sweep

the checks, as of 2026-10-12 07:39 UTC · methodendpoint answered HTTP 402

No named check failed.

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTCstatefailed checkssweep
2026-10-12 07:39 UTCpass0daily-2026-10-12
2026-10-11 06:14 UTCpass0daily-2026-10-11
2026-10-10 14:22 UTCpass0daily-2026-10-10
2026-10-09 06:46 UTCpass0daily-2026-10-09
2026-10-08 08:14 UTCpass0daily-2026-10-08
2026-10-07 07:29 UTCpass0daily-2026-10-07
2026-10-06 08:18 UTCpass0daily-2026-10-06
2026-10-05 07:37 UTCpass0daily-2026-10-05
2026-10-04 10:14 UTCpass0daily-2026-10-04
2026-10-03 05:10 UTCpass0daily-2026-10-03
2026-10-02 14:28 UTCpass0daily-2026-10-02
2026-10-01 07:26 UTCpass0daily-2026-10-01
2026-09-30 06:43 UTCpass0daily-2026-09-30
2026-09-29 19:03 UTCpass0daily-2026-09-29
2026-09-28 05:50 UTCpass0daily-2026-09-28
2026-09-25 20:35 UTCpass0daily-2026-09-25
2026-09-23 06:12 UTCpass0daily-2026-09-23
2026-09-22 06:23 UTCpass0daily-2026-09-22
2026-09-21 06:45 UTCpass0daily-2026-09-21
2026-09-20 19:24 UTCpass0daily-2026-09-20
2026-09-19 04:47 UTCpass0daily-2026-09-19
2026-09-18 10:42 UTCpass0daily-2026-09-18
2026-09-17 04:43 UTCpass0daily-2026-09-17
2026-09-16 04:43 UTCpass0daily-2026-09-16
2026-09-15 04:40 UTCpass0daily-2026-09-15
2026-09-14 04:36 UTCpass0daily-2026-09-14
2026-09-13 04:34 UTCpass0daily-2026-09-13
2026-09-12 06:51 UTCpass0daily-2026-09-12
2026-09-11 10:25 UTCpass0daily-2026-09-11

Registry presence

Presence in a registry, not liveness of the service (method). Newest first.

  1. absence from Coinbase confirmed, rule v1
  2. absent from Coinbase at this pull
  3. listed in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-09-12 19:57 UTC · method

The input and output block
{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "ticker": {
        "type": "string",
        "required": true,
        "description": "Base ticker (e.g. BTC, ETH). Required."
      },
      "canonical_id": {
        "type": "string",
        "required": false,
        "description": "Disambiguates a ticker that names two unrelated assets; a 409 on the ticker alone names the candidates."
      }
    }
  },
  "output": {
    "type": "json",
    "example": {
      "items": [
        {
          "venue": "paradex",
          "basis_bps": -2.31,
          "structure": "backwardation",
          "mark_price": 60278.9,
          "updated_at": "2026-06-27T21:00:00Z",
          "asset_class": "crypto",
          "index_price": 60292.9,
          "basis_reliable": true,
          "liquidity_state": "live"
        }
      ],
      "ticker": "BTC",
      "methodology": "basis_bps = (mark_price − index_price)/index_price × 10000; structure = basis sign (contango/backwardation/flat/unknown)",
      "venues_count": 18,
      "venues_without_index": [
        "Crypto.com",
        "Variational",
        "dYdX"
      ]
    }
  }
}
Cite this page

This endpoint is delisted: the page is frozen at its last observation and its live URL is the stable one. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "perp basis on api.usenami.io". https://tollindex.com/e/api-usenami-io-v1-perp-basis-4c3b5d. Accessed [access date].

BibTeX

@misc{toll-e-api-usenami-io-v1-perp-basis-4c3b5d-2026-10-13,
  author = {TOLL},
  title = {perp basis on api.usenami.io},
  howpublished = {\url{https://tollindex.com/e/api-usenami-io-v1-perp-basis-4c3b5d}},
  year = {2026},
  month = {10},
  note = {Frozen at its last observation, 2026-10-13 14:08 UTC. Accessed [access date].}
}

Reports and replies about this endpoint

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Report an error about perp basis, or reply as the named seller

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Verify with the payee wallet (optional, EVM)

Sign this message with the wallet named on the page and paste the signature; it is checked, stored, never published. TOLL reply about endpoint 4c3b5da9b917abf773b1c13933a61e093774081a07ee4de0ec2963eb2f9e3860 from wallet 0x1538726707212F4dB3EB67cEc0910422A310475c

The 0x address named as payee on this page, 42 characters.

The hex signature of the message above, starting 0x.