Discover / ari001.tailb4ac3a.ts.net

Base ERC-20 Balance

■ Challenge detected

Ethereum mainnet ERC-20 balanceOf. Takes query parameters token (ERC-20 contract, 0x + 40 hex) and address (holder, 0x + 40 hex). Returns the holder's raw token balance read from the contract. Base ERC-20 read of token + holder address.

x402
Base
USDC

Listed price: $0.002
Challenge detected: 5 of the last 10 checks
Median response: 1036 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://ari001.tailb4ac3a.ts.net/v1/ventures/x402_eth_reads_v1/eth_mainnet_erc20_balanceof
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

58 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://ari001.tailb4ac3a.ts.net/v1/ventures

GET/x402_chain_reads_v1/base_eth_getbalance$0.002Returns the native ETH balance of a Base address via eth_getBalance. Takes one query parameter: address (0x + 40 hex). Base RPC read of address and block.
GET/x402_token_verdict_v1/base_token_verdict_trial$0.012Base ERC-20 verdict of a token contract address. Returns: an AI-written token verdict on one token contract: grade (BASED/MID/COOKED/RADIOACTIVE, a stated rule over the contract's own state), a one-liner and a roast, and the facts read: code size, name, symbol, decimals, supply, owner(), proxy slots. It does not read holders, liquidity or price and makes no safety or legitimacy call.
GET/x402_eth_reads_v1/eth_mainnet_getblockbynumber$0.003Returns the Ethereum block header for a given block number or 'latest' through the estate's shared chain door. Base RPC read of a block number.
GET/x402_chain_reads_v1/erc721_tokens_of$0.008Returns every token ID an owner holds for an Enumerable ERC-721 contract, read on Base. Base ERC-721 read of token + token id.
GET/x402_chain_reads_v1/base_eth_gettransactionbyhash$0.003Base eth_getTransactionByHash. Takes hash (transaction hash, 0x + 64 hex) and returns that Base transaction as the node returns it: from, to, value, gas, gas price, input, nonce, block number and transaction index, or null if the node does not know the hash. Base RPC read of an address, block or transaction.
GET/x402_chain_reads_v1/eth_getblockbynumber$0.003Ethereum mainnet eth_getBlockByNumber: takes `block` (a block number, or 'latest') and returns that block exactly as the node gives it. Base RPC read of a block number.
GET/x402_chain_reads_v1/gnosis_eth_getlogs$0.003Returns raw event logs for one Gnosis contract via eth_getLogs. Takes address (0x+40 hex), optional topic0 (0x+64 hex), optional blocks (last N, default 10). Base RPC read of an address, block or transaction.
GET/x402_eth_reads_v1/eth_mainnet_eth_getbalance$0.003Ethereum mainnet ETH balance for one address via eth_getBalance. Takes address (0x + 40 hex) and returns the hex balance in wei. Base RPC read of address and block.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 8 of 58 listed endpoints. First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/ari001.tailb4ac3a.ts.net

Recent checks

28 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 09:26 UTC	Challenge detected	402	4504ms
16 Oct, 08:13 UTC	Challenge detected	402	1036ms
14 Oct, 23:56 UTC	Challenge detected	402	606ms
13 Oct, 10:39 UTC	Challenge detected	402	2432ms
11 Oct, 10:02 UTC	No challenge detected	404	682ms
9 Oct, 21:31 UTC	No challenge detected	404	1025ms
8 Oct, 15:35 UTC	No challenge detected		442ms
7 Oct, 09:33 UTC	No challenge detected	502	633ms
6 Oct, 09:33 UTC	No challenge detected	502	584ms
28 Sept, 05:02 UTC	Challenge detected	402	586ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Base ERC-20 Balance?

Its listed price is $0.002.

What payment terms does Base ERC-20 Balance advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Base ERC-20 Balance listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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