x402 census · x402tap.com · 4b2c0799905d · JSON

GET /api/wallet-balance

unprobed

Native and (optional) ERC-20 token balance for a wallet address across major EVM chains (base, ethereum, polygon, arbitrum, optimism)

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://x402tap.com/api/wallet-balance

Method GET

Price $0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts eip155:137, eip155:42161, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0xB810B599bc730Aa85800BABe7f5d160524322C86

Seller x402tap.com

Catalogs cdp (row updated 2026-09-09)

Listed since (lower bound) 2026-09-09 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-09

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-09 (catalog-reported, not verified on chain)

Category (keyword rule) chain-rpc

Templated path no

x402Version in catalog 2

Service name / tags x402 Wallet Balance Lookup · wallet, balance, ethereum, on-chain, blockchain

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 7

Payments 9

USDC volume $0.01

Median payment $0.001

First / last payment 2026-08-21 / 2026-09-28

Sampler-shaped share of payments 77.8%

Payers that are not samplers 2

Source forensics-2026-09-30

Address 0xB810B599bc730Aa85800BABe7f5d160524322C86 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
   "chain": "base"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
   "chain": "Base",
   "native": {
    "balance": "1.24031",
    "symbol": "ETH"
   },
   "token": {
    "address": "0x8335...",
    "balance": "500.0",
    "decimals": 6,
    "symbol": "USDC"
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://x402tap.com/api/wallet-balance' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/4b2c0799905d/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"4b2c0799905d"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on x402tap.com.