Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (24 of 40 points, scaled to 100); the A2A card criteria do not apply.

Show breakdown Hide breakdown

partial Live endpoint 15/25

Our probe received an HTTP 402 payment challenge from the host: live, but paid.

partial Verified Identity 5/10

Provider declared: approvals.madebydevx.com (https://approvals.madebydevx.com). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.

How to earn +5 points

Verify your domain ownership

Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.

Docs

pass Freshness + modern flags 4/5

seen in upstream source within 0d

n/a Agent card · Protocol version · JWS signature · Uptime track record · Skill declaration · Security declaration

Activity

last 24h · 0 invocations No personal data recorded

No activity in the last 7 days.

Listing history

1 snapshot

Snapshots

Agent card snapshots
Captured	Hash	Snapshot
2026-11-06 18:53:54 current	`456b211d8caf…`	view →

Endpoints

Pricing x402 on Base USDC Verified live · 402 challenge

From $1.0000 per call

Endpoint	Price	Currency
`https://approvals.madebydevx.com/v1/approvals` Base · live 402	1.0	USDC

Try it ↗

Settlement wallet: 0xb3cddccee6b150c8effd55b961afc0ecefe7f247 on Base · basescan ↗

Listed by facilitators Coinbase CDP · 1

Observed on-chain inflow verified on-chain

Last 7d

                  $0.82
                

49 transfers · synced 2026-11-07

Last 30d

                  $18.50
                

89 transfers · synced 2026-11-07

USDC on Base. Inflow to a wallet, not proof that every transfer was a paid call.

How it was settled and checked

$7.18 in the ledger, not classified yet.

Cross-check: Coinbase's Bazaar reports 81 calls in 30 days across 15 resources; we observed 90 transfers (0 facilitator-settled) over 29 of 30 scanned days. Neither counter is assumed correct.

Reproducible via eth_getLogs on USDC Transfer events to the wallet. How we classify

Rolling 30-day inflow ~ flat (+0.0%)

2026-11-07 2026-11-08

Peak: $18.50

Agent card	`https://approvals.madebydevx.com`
Provider	https://approvals.madebydevx.com
Docs	https://approvals.madebydevx.com

Discovered via

agentic market cdp discovery

Health · last 1 probes

Probe log

When	HTTP	Live JSON-RPC	Latency
2026-11-07 12:32:02	404	—	—

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Embed a badge

Updates itself and links back here.

[![Agenstry grade](https://agenstry.com/badge/approvals.madebydevx.com.svg)](https://agenstry.com/agents/approvals.madebydevx.com)
[![Verified Business](https://agenstry.com/badge/approvals.madebydevx.com/identity.svg)](https://agenstry.com/agents/approvals.madebydevx.com)
[![Uptime](https://agenstry.com/badge/approvals.madebydevx.com/uptime.svg)](https://agenstry.com/agents/approvals.madebydevx.com)
[![A2A version](https://agenstry.com/badge/approvals.madebydevx.com/protocol.svg)](https://agenstry.com/agents/approvals.madebydevx.com)

Audit evidence

JSON for vendor reviews. Signed copy verifies against our JWKS.

audit.json audit.json (JWS-signed) verification history

Raw agent card JSON

{
  "_source": "agentic.market",
  "service": {
    "id": "approvals-madebydevx-com",
    "name": "approvals.madebydevx.com",
    "description": "",
    "domain": "approvals.madebydevx.com",
    "provider": "approvals.madebydevx.com",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://approvals.madebydevx.com/v1/approvals",
        "description": "Base token approval risk check for any 0x wallet: live ERC-20 allowances on 9 major Base tokens (USDC, WETH, DAI, cbBTC, AERO...) x 14 common spenders (Permit2, Uniswap, Aerodrome, 1inch, 0x, CoW, Aave, Morpho...), flags unlimited or over-balance approvals, and returns ready-to-sign revoke calldata. 1 USDC via x402 on Base.",
        "pricing": {
          "amount": "1",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "address",
            "type": "string",
            "description": "",
            "example": "0xB3cDDccEe6B150c8efFD55B961afc0Ecefe7f247",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "DevX Base Approval Risk Check",
        "tags": [
          "security",
          "approvals",
          "allowance",
          "revoke",
          "wallet"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "1",
      "maxAmount": "1",
      "avgCostPerTransaction": "1",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "DevX Base Approval Risk Check",
    "tags": [
      "security",
      "approvals",
      "allowance",
      "revoke",
      "wallet"
    ],
    "iconUrl": ""
  }
}