watch portfolio derived

factstamp.agentrails.workers.devMarket data derived

POST https://factstamp.agentrails.workers.dev/watch/portfolio

passlisted in Coinbase#5 by calls of 9 on this host

5 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 2026-10-13 14:08 UTC · method · pinnable

Validation state: pass; as of 2026-10-21 22:32 UTC · method · pinnable · sweep daily-2026-10-21
Uptime, 7 / 30 / 90 days: 100% / 100% / 100%; as of 2026-10-21 22:32 UTC · method · pinnable · 4 of 4 in 7d, 14 of 14 in 30d, 14 of 14 in 90d
Calls, trailing 30 days: 1; as of 2026-10-13 14:08 UTC · method · pinnable
Unique payers, trailing 30 days: 1; as of 2026-10-13 14:08 UTC · method · pinnable
Last called: 2026-10-05 21:26 UTC; as of 2026-10-13 14:08 UTC · method · pinnable
First observed by TOLLderived: 2026-10-06; as of 2026-10-06 00:02 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived: 5 USDC; as of 2026-10-13 14:08 UTC · method · pinnable · on eip155:8453
Networks: 1; as of 2026-10-13 14:08 UTC · method · pinnable

Counters

21 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 8,872 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 1: 6,656 in the category are counted higher and 2,215 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 21 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

watch portfolio, a POST endpoint on factstamp.agentrails.workers.dev, appears in the Coinbase registry; TOLL's taxonomy puts it in market data.

watch portfolio is priced at 5 USDC on Base.

The request to watch portfolio is a application/json body with the fields items and webhook.

A response from watch portfolio, as declared, includes token, per_unit, read_url, stop_url, paid_with, expires_at and 2 others.

watch portfolio answered the sweep of 2026-10-21 with a valid 402, as at every sweep since 2026-10-06.

watch portfolio shares factstamp.agentrails.workers.dev with 8 other listed endpoints and is tied 5th by calls with 4 others.

watch portfolio takes 6% of the calls counted across factstamp.agentrails.workers.dev.

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

watch portfolio was last called 8 days before the snapshot.

Closest in price to watch portfolio within market data: send token at keyring-agent.blockchhub.link and distribution balance exchanges relative at x402.glassnode.com.

watch portfolio is near the top of prices in market data; 100% of comparable listings are cheaper.

The wallet paid by watch portfolio is the payee of 10 endpoints across 2 hosts.

Payment options as declared

the payment options, as of 2026-10-13 14:08 UTC · method · pinnable

Every payment option declared on this listing
registry	network	asset	amount	scheme	pay to
Coinbase	eip155:8453	USDC	5 USDC	exact	0xc3bcd2…42cc32

Preflight checks at the last sweep

the checks, as of 2026-10-21 22:32 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
2026-10-21 22:32 UTC	pass	daily-2026-10-21
2026-10-19 12:58 UTC	pass	daily-2026-10-19
2026-10-16 10:40 UTC	pass	daily-2026-10-16
2026-10-15 12:40 UTC	pass	daily-2026-10-15
2026-10-14 10:31 UTC	pass	daily-2026-10-14
2026-10-13 15:52 UTC	pass	daily-2026-10-13
2026-10-12 12:59 UTC	pass	daily-2026-10-12
2026-10-11 11:35 UTC	pass	daily-2026-10-11
2026-10-10 19:41 UTC	pass	daily-2026-10-10
2026-10-09 14:01 UTC	pass	daily-2026-10-09
2026-10-08 15:21 UTC	pass	daily-2026-10-08
2026-10-07 14:38 UTC	pass	daily-2026-10-07
2026-10-06 16:42 UTC	pass	daily-2026-10-06
2026-10-06 03:14 UTC	pass	new-after-daily-2026-10-05

Registry presence

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

2026-10-06 00:02 UTClisted in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-10-05 21:27 UTC · method · live

The input and output block

{
  "input": {
    "body": {
      "items": [
        {
          "kind": "citation",
          "query": "10.1038/nature12373"
        },
        {
          "kind": "package",
          "package": "express@4.18.2",
          "ecosystem": "npm"
        }
      ],
      "webhook": "https://example.com/factstamp/hook"
    },
    "type": "http",
    "method": "POST",
    "bodyType": "application/json"
  },
  "output": {
    "type": "json",
    "example": {
      "token": "fp_7c2a… (shown once)",
      "per_unit": "US$5 for 25 references over 30 days: US$0.20 a reference, about 0.67 of a cent a check.",
      "read_url": "https://factstamp.agentrails.workers.dev/portfolio/3a91c05f8d21e44077",
      "stop_url": "https://factstamp.agentrails.workers.dev/portfolio/3a91c05f8d21e44077/stop",
      "paid_with": {
        "rail": "x402_pay_per_call",
        "settlement": {
          "success": true
        },
        "list_price_usd": 5
      },
      "expires_at": "2026-11-05T06:30:00.000Z",
      "item_count": 25,
      "portfolio_id": "3a91c05f8d21e44077"
    }
  }
}

What the listing says

Watch a whole list at once, when a bibliography or a dependency manifest has to stay true: up to 25 citations or package versions re-checked every day for 30 days under one token. US$5 a portfolio — 20 cents a reference, under a cent a check. Every reference is answered and signed on purchase, and each real change gets its own signed receipt. Nothing is sent when nothing changed. Pay per call here, or redeem a prepaid pack code (100 credits).

the record, 2026-10-05 21:27 UTC · method · pinnable

As declared

POST
eip155:8453
USDC
exact

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

Who is paid

0xc3bcd2…42cc32

Takes payment for 10 endpoints on 2 hosts.

Among Market data

counted above0%

of 8,872 that carry counters

cheaper than100%

of 8,851 with a comparable price

9,140 endpoints are in this category. 10 declare exactly this price.

the comparison, 2026-10-13 14:08 UTC · method · live

Nearest on price

send tokenkeyring-agent.blockchhub.link0.05 USDCpass
distribution balance exchanges relativex402.glassnode.com0.05 USDCpass
smart money netflowapi.nansen.ai0.05 USDCpass
analyzesvm402.com0.03 USDCfail
q verdict resourcewww.ax1.vc0.02 USDCmalformed

Same category, nearest declared price, one per payee wallet (method). the list, 2026-10-13 14:08 UTC · method · live

Elsewhere in the record

Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-13 14:08 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).

Plain text

TOLL, "watch portfolio on factstamp.agentrails.workers.dev", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/factstamp-agentrails-workers-dev-watch-portfolio-ff993f/at/2026-10-13T14-08Z. Accessed [access date].

BibTeX

@misc{toll-e-factstamp-agentrails-workers-dev-watch-portfolio-ff993f-2026-10-13T14-08Z,
  author = {TOLL},
  title = {watch portfolio on factstamp.agentrails.workers.dev},
  howpublished = {\url{https://tollindex.com/e/factstamp-agentrails-workers-dev-watch-portfolio-ff993f/at/2026-10-13T14-08Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-13 14:08 UTC. Accessed [access date].}
}

Reports and replies about this endpoint

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Report an error about watch portfolio, or reply as the named seller