TOLL

What software pays for, recorded every six hours.

Snapshot
2026-10-13 14:08 UTC
Sweep
daily-2026-10-23 · finished 2026-10-23 13:20 UTC
Listed
32,435

a2a card validate derived

agent402.toolsInferencederived

POST https://agent402.tools/api/a2a-card-validate

passlisted in Coinbase#304 by calls of 582 on this host

0.002 USDC

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

Compare with anotherEvery figure as JSONCite this page

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

Validation state
pass
as of 2026-10-23 09:00 UTC · method · pinnable · sweep daily-2026-10-23
Uptime, 7 / 30 / 90 days
100% / 100% / 100%
as of 2026-10-23 09:00 UTC · method · pinnable · 4 of 4 in 7d, 25 of 25 in 30d, 38 of 38 in 90d
Calls, trailing 30 days
3
as of 2026-10-13 14:08 UTC · method · pinnable
Unique payers, trailing 30 days
3
as of 2026-10-13 14:08 UTC · method · pinnable
Last called
2026-10-08 06:10 UTC
as of 2026-10-13 14:08 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
0.002 USDC
as of 2026-10-13 14:08 UTC · method · pinnable · on eip155:8453
Networks
12
as of 2026-10-13 14:08 UTC · method · pinnable

Counters

122 observations, 6 of them a change

How has the volume on this endpoint moved?

012345310 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 Oct13 Oct
Calls counted in the trailing 30 days on this endpoint, at every snapshot since 2026-09-10. 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.

In words

a2a card validate is one of 582 listed endpoints on agent402.tools, tied 304th by calls with 242 others among them.

Callers of a2a card validate supply a json body with the field card.

A response from a2a card validate, as declared, includes valid, errors, summary and warnings.

The registry's counters give a2a card validate 3 calls and 3 unique payers over 30 days, every call from a different payer.

a2a card validate was last called 5 days before the snapshot.

The declared price is 0.002 USDC on Base.

For a2a card validate the listing declares 13 accepts on Base, Polygon, Arbitrum, Monad and 8 others, to 4 different wallets.

agent402.tools serves a2a card validate, a POST endpoint that TOLL places in inference, listed in the Coinbase registry.

a2a card validate answered the sweep of 2026-10-23 with a valid 402, as at every sweep since 2026-09-11.

Closest in price to a2a card validate within inference: chat completions at api.ai-open-models.com and forecast at weather.cyberwarex.com.

a2a card validate is among the cheapest in inference; 4% of comparable listings ask less.

Across inference, 8,525 endpoints carry counters and a2a card validate out-counts 84% of them.

For 6 of the options on a2a card validate, TOLL has no verified decimals and shows the raw amount. a2a card validate declares exact and upto as payment schemes.

The payee wallet is shared by 615 listings on one host.

The seller's tags on a2a card validate are data, a2a, agent2agent and agent-card.

197 other listings in inference declare exactly the same price.

Payment options as declared

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

Every payment option declared on this listing
registrynetworkassetamountschemepay to
Coinbaseeip155:8453USDC0.002 USDCexact0xaBF4FA…e2a9D0
Coinbaseeip155:137USDC0.002 USDCexact0xaBF4FA…e2a9D0
Coinbaseeip155:42161USDC0.002 USDCexact0xaBF4FA…e2a9D0
Coinbaseeip155:143USDC2000 smallest units, decimals unknownexact0xaBF4FA…e2a9D0
Coinbaseeip155:43114USDC0.002 USDCexact0xaBF4FA…e2a9D0
Coinbaseeip155:1329USDC2000 smallest units, decimals unknownexact0xaBF4FA…e2a9D0
Coinbaseeip155:10USDC0.003 USDCexact0xaBF4FA…e2a9D0
Coinbaseeip155:4663Global Dollar2000 smallest units, decimals unknownexact0xaBF4FA…e2a9D0
Coinbaseeip155:42220USDC2000 smallest units, decimals unknownexact0xaBF4FA…e2a9D0
Coinbaseeip155:8453USDC0.002 USDCupto0xaBF4FA…e2a9D0
Coinbasesolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpUSDC0.002 USDCexactJ7aN3PLJ…Gv3xwg
Coinbasestellar:pubnetCCW67TSZ…SJMI7520000 smallest units, decimals unknownexactGDNJXCKW…FJWWRL
Coinbasealgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=315667042000 smallest units, decimals unknownexactC7IIHG7S…OY2XIE

Preflight checks at the last sweep

the checks, as of 2026-10-23 09:00 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, UTCstatefailed checkssweep
2026-10-23 09:00 UTCpass0daily-2026-10-23
2026-10-21 11:33 UTCpass0daily-2026-10-21
2026-10-20 11:08 UTCpass0daily-2026-10-20
2026-10-19 08:45 UTCpass0daily-2026-10-19
2026-10-18 10:42 UTCpass0daily-2026-10-18
2026-10-17 21:03 UTCpass0daily-2026-10-17
2026-10-16 06:52 UTCpass0daily-2026-10-16
2026-10-15 08:39 UTCpass0daily-2026-10-15
2026-10-14 06:43 UTCpass0daily-2026-10-14
2026-10-13 11:26 UTCpass0daily-2026-10-13
2026-10-12 08:47 UTCpass0daily-2026-10-12
2026-10-11 07:31 UTCpass0daily-2026-10-11
2026-10-10 15:35 UTCpass0daily-2026-10-10
2026-10-09 08:15 UTCpass0daily-2026-10-09
2026-10-08 09:43 UTCpass0daily-2026-10-08
2026-10-07 09:03 UTCpass0daily-2026-10-07
2026-10-06 09:55 UTCpass0daily-2026-10-06
2026-10-05 08:50 UTCpass0daily-2026-10-05
2026-10-04 11:14 UTCpass0daily-2026-10-04
2026-10-03 05:58 UTCpass0daily-2026-10-03
2026-10-02 15:11 UTCpass0daily-2026-10-02
2026-10-01 08:03 UTCpass0daily-2026-10-01
2026-09-30 07:24 UTCpass0daily-2026-09-30
2026-09-29 19:39 UTCpass0daily-2026-09-29
2026-09-28 07:05 UTCpass0daily-2026-09-28
2026-09-25 21:10 UTCpass0daily-2026-09-25
2026-09-23 06:44 UTCpass0daily-2026-09-23
2026-09-22 06:56 UTCpass0daily-2026-09-22
2026-09-21 07:19 UTCpass0daily-2026-09-21
2026-09-19 05:20 UTCpass0daily-2026-09-19
2026-09-18 13:10 UTCpass0daily-2026-09-18
2026-09-17 05:14 UTCpass0daily-2026-09-17
2026-09-16 05:14 UTCpass0daily-2026-09-16
2026-09-15 05:31 UTCpass0daily-2026-09-15
2026-09-14 05:05 UTCpass0daily-2026-09-14
2026-09-13 05:01 UTCpass0daily-2026-09-13
2026-09-12 07:17 UTCpass0daily-2026-09-12
2026-09-11 10:58 UTCpass0daily-2026-09-11

Registry presence

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

  1. listed in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-10-08 06:10 UTC · method · live

The input and output block
{
  "input": {
    "body": {
      "card": {
        "url": "https://example.com/a2a/v1",
        "name": "Sample Weather Agent",
        "skills": [
          {
            "id": "get-forecast",
            "name": "Get weather forecast",
            "tags": [
              "weather",
              "forecast"
            ],
            "examples": [
              "What is the weather in Paris this week?"
            ],
            "description": "Returns a city's 5-day forecast."
          }
        ],
        "version": "1.0.0",
        "provider": {
          "url": "https://example.com",
          "organization": "Example Org"
        },
        "description": "A sample A2A Agent Card served as a static example for card tooling. This describes a fictional weather agent, not a live A2A endpoint.",
        "capabilities": {
          "streaming": true,
          "pushNotifications": false,
          "stateTransitionHistory": false
        },
        "protocolVersion": "0.3.0",
        "defaultInputModes": [
          "application/json",
          "text/plain"
        ],
        "defaultOutputModes": [
          "application/json"
        ],
        "preferredTransport": "JSONRPC"
      }
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "valid": true,
      "errors": [],
      "summary": {
        "name": "Sample Weather Agent",
        "skillCount": 1
      },
      "warnings": []
    }
  }
}
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, "a2a card validate on agent402.tools", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/agent402-tools-api-a2a-card-validate-74bf06/at/2026-10-13T14-08Z. Accessed [access date].

BibTeX

@misc{toll-e-agent402-tools-api-a2a-card-validate-74bf06-2026-10-13T14-08Z,
  author = {TOLL},
  title = {a2a card validate on agent402.tools},
  howpublished = {\url{https://tollindex.com/e/agent402-tools-api-a2a-card-validate-74bf06/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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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 74bf06850509eb49172eab52151123cff63d73bf3b7694f099eb2575177330d2 from wallet 0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0

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

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