74trust / 100

Negative Capability Query

by api.blockchainmoneymap.com in Other

x402 APIPassing, checked 2 h ago

Query or append signed evidence-backed agent limitation records with correction and dispute handling.

POST https://api.blockchainmoneymap.com/api/devagentpal/negative-capability/query

Last 30 days

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

Uptime
100%
Response time
976 ms typical, 1.2 s slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

POST https://api.blockchainmoneymap.com/api/devagentpal/negative-capability/query

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://api.blockchainmoneymap.com/api/devagentpal/negative-capability/query
content-type: application/json

{
  "agentId": "agent-a",
  "lookbackDays": 90,
  "minimumSampleSize": 3,
  "operation": "query",
  "serviceVersion": null,
  "taskContext": {
    "latencyRequirementMs": 1000,
    "network": "base",
    "payloadSizeClass": "small",
    "resourceType": "wallet"
  }
}

Parameters

ParameterTypeRequiredDescription
agentIdstringYes
lookbackDaysinteger or nullNo
minimumSampleSizeinteger or nullNo
operationanyNo One of: query.
serviceVersionstring or nullNo
taskContextobjectNoExact matching of every supplied metadata dimension. Missing observation dimensions do not match. latencyRequirementMs is an exact context label, not an SLA evaluation. Omit or supply an empty object for aggregate statistics.

Example response

The listing has no example response.

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.blockchainmoneymap.com/api/devagentpal/negative-capability/query' \
  -H 'content-type: application/json' \
  --data-raw '{"agentId":"agent-a","lookbackDays":90,"minimumSampleSize":3,"operation":"query","serviceVersion":null,"taskContext":{"latencyRequirementMs":1000,"network":"base","payloadSizeClass":"small","resourceType":"wallet"}}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.blockchainmoneymap.com/api/devagentpal/negative-capability/query' \
  -H 'content-type: application/json' \
  --data-raw '{"agentId":"agent-a","lookbackDays":90,"minimumSampleSize":3,"operation":"query","serviceVersion":null,"taskContext":{"latencyRequirementMs":1000,"network":"base","payloadSizeClass":"small","resourceType":"wallet"}}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.blockchainmoneymap.com%2Fapi%2Fdevagentpal%2Fnegative-capability%2Fquery&method=POST
const res = await pay("https://api.blockchainmoneymap.com/api/devagentpal/negative-capability/query", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "agentId": "agent-a",
    "lookbackDays": 90,
    "minimumSampleSize": 3,
    "operation": "query",
    "serviceVersion": null,
    "taskContext": {
      "latencyRequirementMs": 1000,
      "network": "base",
      "payloadSizeClass": "small",
      "resourceType": "wallet"
    }
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.blockchainmoneymap.com/api/devagentpal/negative-capability/query",
        json={
            "agentId": "agent-a",
            "lookbackDays": 90,
            "minimumSampleSize": 3,
            "operation": "query",
            "serviceVersion": None,
            "taskContext": {
                "latencyRequirementMs": 1000,
                "network": "base",
                "payloadSizeClass": "small",
                "resourceType": "wallet",
            },
        },
    )
    print(res.status_code, res.text)

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed4021.0 s$0.01
6 h agoPassed402876 ms$0.01
10 h agoPassed4021.1 s$0.01
14 h agoPassed402977 ms$0.01
17 h agoPassed4021.2 s$0.01
21 h agoPassed402993 ms$0.01
25 h agoPassed4021.4 s$0.01
29 h agoPassed4021.2 s$0.01
32 h agoPassed402380 ms$0.01
36 h agoPassed402924 ms$0.01
39 h agoPassed402958 ms$0.01
43 h agoPassed402780 ms$0.01
46 h agoPassed4021.0 s$0.01
2 days agoPassed402917 ms$0.01
2 days agoPassed4021.2 s$0.01