TOLL

What software pays for, recorded every six hours.

Snapshot
2026-10-13 14:08 UTC
Sweep
daily-2026-10-27 · finished 2026-10-27 12:46 UTC
Listed
32,435

open knowledge search derived

api.delx.aiSearchderived

POST https://api.delx.ai/api/v1/x402/open-knowledge-search

passabsent from every registry#141 by calls of 147 on this host

0.001 USDC

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

Compare with anotherEvery figure as JSONCite this page

the price, as of 2026-09-24 21:29 UTC · method

Validation state
pass
as of 2026-09-23 06:41 UTC · method · sweep daily-2026-09-23
Uptime, 7 / 30 / 90 days
— / — / 100%
as of 2026-09-23 06:41 UTC · method · 0 of 0 in 7d, 0 of 0 in 30d, 12 of 12 in 90d
Calls, trailing 30 days
1
as of 2026-09-24 21:29 UTC · method
Unique payers, trailing 30 days
1
as of 2026-09-24 21:29 UTC · method
Last called
2026-08-26 00:42 UTC
as of 2026-09-24 21:29 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
0.001 USDC
as of 2026-09-24 21:29 UTC · method · on eip155:8453
Networks
2
as of 2026-09-24 21:29 UTC · method

Counters

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

How big is this endpoint among the ones like it?

1 call100,000this endpoint
Calls counted in the trailing thirty days across the 2,591 endpoints in Search 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: 1,889 in the category are counted higher and 701 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 64 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

open knowledge search shares api.delx.ai with 146 other listed endpoints and is tied 141st by calls with 7 others.

Callers of open knowledge search supply a json body with the fields query and max_records.

open knowledge search returns json; the example shows result and tool_name.

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

open knowledge search was last called 49 days before the snapshot.

It is priced at 0.001 USDC on Base.

open knowledge search accepts payment on Base and Solana, 3 options in all, to 2 different wallets.

TOLL files open knowledge search under search: a POST endpoint on api.delx.ai, listed in neither registry at the last pull.

open knowledge search answered the sweep of 2026-09-23 with a valid 402, as at every sweep since 2026-09-11.

Closest in price to open knowledge search within search: weather at wallet-services-poc-clean.3hz-services.workers.dev and filtered news at x402.ottoai.services.

open knowledge search is the cheapest of 2,590 comparable listings in search; none asks less.

The wallet paid by open knowledge search is the payee of 310 endpoints on one host.

The seller's tags on open knowledge search are x402, knowledge, wikipedia and wikimedia, and its label is "knowledge".

open knowledge search was missing from the Coinbase registry at the pull of 2026-09-25, confirmed at the pull of 2026-09-25; that is registry presence, not liveness.

The price of open knowledge search is declared by 180 other listings in search 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 2026-09-24 21:29 UTC · method

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.001 USDCexact0x9f8bd9…5e73A2
Coinbaseeip155:8453USDC0.001 USDCexact0x9f8bd9…5e73A2
Coinbasesolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpUSDC0.001 USDCexact28heAMpF…YYsemG

Preflight checks at the last sweep

the checks, as of 2026-09-23 06:41 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
2026-09-23 06:41 UTCpass0daily-2026-09-23
2026-09-22 06:52 UTCpass0daily-2026-09-22
2026-09-21 07:15 UTCpass0daily-2026-09-21
2026-09-19 05:16 UTCpass0daily-2026-09-19
2026-09-18 12:32 UTCpass0daily-2026-09-18
2026-09-17 05:11 UTCpass0daily-2026-09-17
2026-09-16 05:11 UTCpass0daily-2026-09-16
2026-09-15 05:28 UTCpass0daily-2026-09-15
2026-09-14 05:02 UTCpass0daily-2026-09-14
2026-09-13 04:58 UTCpass0daily-2026-09-13
2026-09-12 07:14 UTCpass0daily-2026-09-12
2026-09-11 10:55 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 2026-08-26 00:42 UTC · method

The input and output block
{
  "input": {
    "body": {
      "query": "agentic commerce",
      "max_records": 3
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "result": {
        "cache": "miss",
        "count": 1,
        "query": "agentic commerce",
        "scope": "open_knowledge",
        "schema": "delx/open-knowledge-search/v1",
        "results": [
          {
            "url": "https://en.wikipedia.org/wiki/Example_topic",
            "title": "Example topic",
            "pageid": 123,
            "snippet": "A short attributed search snippet."
          }
        ],
        "language": "en",
        "provider": "Wikimedia/Wikipedia",
        "attribution": "Search metadata supplied by Wikimedia/Wikipedia; snippets remain under the applicable page licenses. Preserve attribution and the license link.",
        "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
        "max_records": 3,
        "provider_url": "https://www.wikipedia.org/"
      },
      "tool_name": "search_open_knowledge"
    }
  }
}
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, "open knowledge search on api.delx.ai". https://tollindex.com/e/api-delx-ai-api-v1-x402-open-knowledge-search-6fe4b4. Accessed [access date].

BibTeX

@misc{toll-e-api-delx-ai-api-v1-x402-open-knowledge-search-6fe4b4-2026-10-13,
  author = {TOLL},
  title = {open knowledge search on api.delx.ai},
  howpublished = {\url{https://tollindex.com/e/api-delx-ai-api-v1-x402-open-knowledge-search-6fe4b4}},
  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 open knowledge search, or reply as the named seller

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Sign this message with the wallet named on the page and paste the signature; it is checked, stored, never published. TOLL reply about endpoint 6fe4b4c0b88d14804712a183cf4c4e049d108e5c8a3c3ecc0ead41cf66a84fbe from wallet 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2

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

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