correlation derived

agent402.toolsMarket data derived

POST https://agent402.tools/api/correlation

passlisted in Coinbase#84 by calls of 599 on this host

0.001 USDC

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

Compare with another Every figure as JSON Cite this page

the price, as of 2026-09-15 16:57 UTC · method · pinnable

Validation state: pass; as of 2026-09-15 04:33 UTC · method · pinnable · sweep daily-2026-09-15
Uptime, 7 / 30 / 90 days: 100% / 100% / 100%; as of 2026-09-15 04:33 UTC · method · pinnable · 5 of 5 in 7d, 5 of 5 in 30d, 5 of 5 in 90d
Calls, trailing 30 days: 4; as of 2026-09-15 16:57 UTC · method · pinnable
Unique payers, trailing 30 days: 1; as of 2026-09-15 16:57 UTC · method · pinnable
Last called: 2026-08-31 10:27 UTC; as of 2026-09-15 16:57 UTC · method · pinnable
First observed by TOLLderived: 2026-09-10; as of 2026-09-10 19:08 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived: 0.001 USDC; as of 2026-09-15 16:57 UTC · method · pinnable · on eip155:8453
Networks: 12; as of 2026-09-15 16:57 UTC · method · pinnable

Counters

28 observations, 1 of them a change, fewer than the 3 a trace needs

How big is this endpoint among the ones like it?

Calls counted in the trailing thirty days across the 5,172 endpoints in Market data that carry counters, binned on a logarithmic scale because the range runs over five orders of magnitude. The marked bin is this endpoint, at 4: 1,238 in the category are counted higher and 3,933 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 28 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.

In words

Among the 599 endpoints on agent402.tools, correlation is tied 84th by calls with 252 others.

Requests carry a json body with the fields x and y.

correlation returns json; the example shows n, r, rSquared and interpretation.

One payer accounts for all 4 calls to correlation over 30 days.

The most recent call was 15 days before the snapshot.

A call to correlation costs 0.001 USDC on Base, as declared.

For correlation the listing declares 13 accepts on Base, Polygon, Arbitrum, Monad and 8 others, to 4 different wallets.

TOLL files correlation under market data: a POST endpoint on agent402.tools, listed in the Coinbase registry.

correlation answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.

Closest in price to correlation within market data: v6 1 quote at 3route.agents.bakingbad.dev and crypto news at x402.ottoai.services.

correlation is the cheapest of 5,260 comparable listings in market data; none asks less.

correlation out-counts 70% of the 5,172 endpoints in market data that carry counters.

For 6 of the options on correlation, TOLL has no verified decimals and shows the raw amount. correlation declares exact and upto as payment schemes.

The payee wallet is shared by 591 listings on one host.

The seller's tags on correlation are data, stats, correlation and pearson.

Exactly this price appears on 533 other listings in market data.

Payment options as declared

the payment options, as of 2026-09-15 16:57 UTC · method · pinnable

Every payment option declared on this listing
registry	network	asset	amount	scheme	pay to
Coinbase	eip155:8453	USDC	0.001 USDC	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:137	USDC	0.001 USDC	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:42161	USDC	0.001 USDC	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:143	USDC	1000 smallest units, decimals unknown	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:43114	USDC	0.001 USDC	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:1329	USDC	1000 smallest units, decimals unknown	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:10	USDC	0.002 USDC	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:4663	Global Dollar	1000 smallest units, decimals unknown	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:42220	USDC	1000 smallest units, decimals unknown	exact	0xaBF4FA…e2a9D0
Coinbase	eip155:8453	USDC	0.001 USDC	upto	0xaBF4FA…e2a9D0
Coinbase	solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp	USDC	0.001 USDC	exact	J7aN3PLJ…Gv3xwg
Coinbase	stellar:pubnet	CCW67TSZ…SJMI75	10000 smallest units, decimals unknown	exact	GDNJXCKW…FJWWRL
Coinbase	algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=	31566704	1000 smallest units, decimals unknown	exact	C7IIHG7S…OY2XIE

Preflight checks at the last sweep

the checks, as of 2026-09-15 04:33 UTC · method · pinnableendpoint 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, UTC	state	sweep
2026-09-15 04:33 UTC	pass	daily-2026-09-15
2026-09-14 04:29 UTC	pass	daily-2026-09-14
2026-09-13 04:28 UTC	pass	daily-2026-09-13
2026-09-12 06:43 UTC	pass	daily-2026-09-12
2026-09-11 10:16 UTC	pass	daily-2026-09-11

Registry presence

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

2026-09-10 19:08 UTClisted in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-08-31 10:27 UTC · method · live

The input and output block

{
  "input": {
    "body": {
      "x": [
        1,
        2,
        3,
        4,
        5
      ],
      "y": [
        2,
        4,
        6,
        8,
        10
      ]
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "n": 5,
      "r": 1,
      "rSquared": 1,
      "interpretation": "perfect positive linear relationship"
    }
  }
}

What the listing says

Pearson correlation coefficient between two equal-length numeric series. Returns r (the correlation, -1 to 1), r² (variance explained), n (sample size). Use this to ask things like: is a stock's daily return correlated with a macro indicator? Are two FRED series moving together?

the record, 2026-08-31 10:27 UTC · method · pinnable

As declared

Every tag is a field on the listing, not a keyword TOLL assigned.

Who is paid

0xaBF4FA…e2a9D0

Takes payment for 591 endpoints on 1 host.

Among Market data

counted above70%

of 5,172 that carry counters

cheaper than0%

of 5,260 with a comparable price

5,316 endpoints are in this category. 533 declare exactly this price.

the comparison, 2026-09-15 16:57 UTC · method · live

Nearest on price

chain block numberapi.onesource.io0.001 USDCpass
recipient api offersapi.loyalspark.online0.001 USDCpass
v6 1 quote3route.agents.bakingbad.dev0.001 USDCfail
crypto newsx402.ottoai.services0.001 USDCpass
send tokentopagentx402.vercel.app0.001 USDCpass

Same category, nearest declared price, one per payee wallet (method). the list, 2026-09-15 16:57 UTC · method · live

Elsewhere in the record

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, "correlation on agent402.tools", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/agent402-tools-api-correlation-410072/at/2026-09-15T16-57Z. Accessed [access date].

BibTeX

@misc{toll-e-agent402-tools-api-correlation-410072-2026-09-15T16-57Z,
  author = {TOLL},
  title = {correlation on agent402.tools},
  howpublished = {\url{https://tollindex.com/e/agent402-tools-api-correlation-410072/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].}
}

Reports and replies about this endpoint

None yet. Anything submitted through the form below is published here with its outcome.

Report an error about correlation, or reply as the named seller