Discover / aether-x402.vercel.app

Aether

□ No challenge detected

x402 endpoint audit: can a paying agent actually pay this API? Probes any x402 URL and validates its 402 payment requirements (CAIP-2 network, USDC asset, payTo checksum, amount, EIP-712 domain, resource URL, Bazaar discovery). Returns pass, warn or fail, a 0-100 score and a fix for every failure

Listed price
$0.01
Challenge detected
0 of the last 6 checks
Last checked
16 Oct, 13:59 UTC
In our index since
8 Oct 2026

Endpoint

curl -i https://aether-x402.vercel.app/api/x402/preflight
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
22 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://aether-x402.vercel.app

  • POST/v1/base/erc20-balance$0.002ERC-20 token balance of a wallet on Base (USDC or any other token), formatted with symbol and decimals. Input: wallet address and token address
  • POST/v1/base/transfers$0.01Recent ERC-20 transfers on Base for a token, a wallet, or both: who sent how much to whom, across up to 2,000 recent blocks (100 results max)
  • POST/v1/base/estimate-gas$0.002Estimate the gas and the cost in ETH and USD of a Base transaction before signing it. Input: to, and optionally from, data and value
  • POST/v1/base/call$0.01Simulate a read-only contract call on Base (eth_call) without sending a transaction: returns the raw result or the revert reason. Use it to dry-run a call before signing
  • POST/v1/base/receipt$0.003Base transaction receipt by hash: success or reverted, gas used, and the decoded ERC-20 Transfer events showing which tokens moved between which addresses
  • POST/v1/base/portfolio$0.004Wallet portfolio value on Base: ETH plus major tokens (or up to 20 tokens you choose), each holding priced in USD from live DEX prices, with the total. Input: wallet address
  • POST/v1/evidence/audit$0.01Does this write-up back up what it claims? Send up to 40,000 characters of text; get the claims that cite no evidence, contradictions, missing evidence and documentation gaps, with fixes. Deterministic rules, no AI. Rejects text containing secrets. A documentation review, not legal or financial advice
  • POST/v1/base/token/risk$0.01Is this Base token safe to buy, or a honeypot, rug pull or scam? Simulates a real buy and sell to prove the token can be sold and to measure buy and sell tax, then checks mint, blacklist, pause and fee powers, proxy upgradeability, owner and DEX liquidity. Input: token address. Returns a verdict (low, caution, high, avoid), a 0-100 risk score and the evidence. Check before an agent trades a token. Try it free first: 3 calls a day at POST /v1/base/token/risk/trial
  • POST/v1/base/balance$0.001Wallet balance on Base: the native ETH balance of any address, read live from the chain. Input: address
  • POST/api/x402/preflight$0.01x402 endpoint audit: can a paying agent actually pay this API? Probes any x402 URL and validates its 402 payment requirements (CAIP-2 network, USDC asset, payTo checksum, amount, EIP-712 domain, resource URL, Bazaar discovery). Returns pass, warn or fail, a 0-100 score and a fix for every failure
  • POST/v1/base/contract$0.01What is this Base address? Wallet (EOA) or smart contract, code size, proxy implementation address, and whether it is an ERC-20, ERC-721 or ERC-1155 token
  • POST/v1/base/nft-metadata$0.005NFT metadata on Base for an ERC-721 or ERC-1155 token: token URI plus the name, image and attributes it points to, resolved from IPFS, Arweave, data URIs or https
  • POST/v1/base/token$0.01Token info for any ERC-20 on Base by contract address: name, symbol, decimals and total supply
  • POST/v1/base/tx$0.01Base transaction lookup by hash: sender, recipient, value, function selector, block, and whether it succeeded or reverted
  • POST/v1/base/nft-owner$0.01Who owns this NFT? Current owner of an ERC-721 token on Base by contract address and token id (ownerOf)
  • POST/v1/invoice/triage$0.01Which overdue invoice should be chased, and what is the next step? Send an invoice number, client reference, amount and days overdue; get its aging category and the next action to take. Deterministic rules, no AI: the same input always gives the same answer
  • POST/v1/opportunity/score$0.01How strong is this startup or deal on paper? Scores an opportunity across seven pillars weighted by stage (pre-seed to series B+), applies red flags, and returns a 0 to 10 score with pass, investigate or fail. Deterministic: the same input always gives the same score. A screening aid, not investment advice
  • POST/v1/base/gas$0.01Current gas price on Base in gwei: base fee, suggested priority fee and max fee per gas, read live from the chain
  • POST/v1/base/allowance$0.002ERC-20 allowance check on Base: how much a spender is still approved to move from an owner's token balance, and whether the approval is unlimited. Run before a swap, an approve or a revoke. Input: token, owner, spender
  • POST/v1/base/basename$0.01Basename lookup: resolve a Base name such as jesse.base.eth to its wallet address, with avatar and profile text records. Input: name
  • POST/v1/base/block$0.01Base block lookup by number or tag (latest, safe, finalized): timestamp, gas and transaction count
  • POST/v1/base/price$0.003Token price on Base by contract address: live USD price and pool liquidity from Uniswap v2/v3 and Aerodrome. Works for any token with a DEX pool, including newly launched ones

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

Showing 22 of 22 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/aether-x402.vercel.app

Recent checks

8 Oct 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.16 Oct 2026
All 6 checks
When (UTC)ResultHTTPResponse
16 Oct, 13:59 UTCNo challenge detected40490ms
14 Oct, 23:56 UTCNo challenge detected404166ms
13 Oct, 10:39 UTCNo challenge detected40484ms
11 Oct, 10:02 UTCNo challenge detected40451ms
9 Oct, 21:31 UTCNo challenge detected40493ms
8 Oct, 18:39 UTCNo challenge detected40466ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 13:59 UTC, we detected no payment challenge.

What price is recorded for Aether?

Its listed price is $0.01.

What payment terms does Aether 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 Aether listed?

In x402 Bazaar. Superstables first indexed it on 8 Oct 2026.

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