apexfaucet.xyz

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "note": "X1 is a Solana fork. The same address (HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ) receives funds on both chains. Solana-native agents can pay USDC without bridging anything.",
  "error": "missing required parameters: owner, spender — nothing has been charged.",
  "usage": "/api/x402/arc-allowance?owner=0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3",
  "accepts": [
    {
      "rpc": "https://api.mainnet-beta.solana.com",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "D93NE2kMj88BPsHfdZZ4A1HX2CGo14Y18Bdb3J4qtD5c"
      },
      "payTo": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ",
      "amount": "1000",
      "scheme": "exact",
      "symbol": "USDC",
      "chainId": "solana-mainnet",
      "network": "solana",
      "decimals": 6,
      "mimeType": "application/json",
      "priceUsd": "~$0.001",
      "receiver": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ",
      "resource": "https://apexfaucet.xyz/api/x402/arc-allowance",
      "priceMinor": 1000,
      "description": "Allowance check on Arc, before an app asks for an approval: what owner has already approved to spender for a token (default USDC; add &token=0x... for another), in tokens and USD, whether it is unlimited, the owner's balance, whether the spender is a contract and its name if it is one our own code uses on Arc (Uniswap v4 PoolManager, UniversalRouter, Permit2, Circle Gateway Wallet, CCTP TokenMessenger, the launchpad router; never guessed), and risk signals (unlimited to an unknown contract, an approval to a plain wallet, more than the balance). Pass ?owner=0x...&spender=0x.... A non-token or a failed read is refused before payment.",
      "networkName": "solana",
      "validForSec": 300,
      "networkCaip2": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "owner": "0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C",
            "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3"
          },
          "discoverable": true
        },
        "output": {
          "type": "json",
          "schema": {
            "type": "object",
            "properties": {
              "ok": {
                "type": "boolean"
              },
              "data": {
                "type": "object"
              },
              "paid": {
                "type": "number"
              }
            }
          },
          "example": {
            "ok": true,
            "data": {
              "ok": true,
              "owner": "0x024b82335c29fa5606a8ea5c1d24fc9ead50700c",
              "token": "0x3600000000000000000000000000000000000000",
              "symbol": "USDC",
              "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3",
              "usdValue": null,
              "allowance": null,
              "isUnlimited": true,
              "riskSignals": [
                "unlimited approval (to Permit2 (Uniswap))"
              ],
              "spenderName": "Permit2 (Uniswap)",
              "allowanceRaw": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
              "ownerBalance": 0.44577
            },
            "paid": 0.001
          }
        }
      },
      "priceDisplay": "0.001 USDC",
      "replayHeader": "X-PAYMENT-SOL",
      "maxAmountRequired": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "rpc": "https://rpc.mainnet.arc.io",
      "asset": "0x3600000000000000000000000000000000000000",
      "extra": {
        "name": "USDC",
        "note": "Standard x402: sign an EIP-3009 transferWithAuthorization for this amount to payTo and send it base64 in PAYMENT-SIGNATURE - we settle it, you pay no gas. Or, because USDC is also the native gas token on Arc, send a plain value transfer to payTo and replay the transaction hash in X-PAYMENT-ARC.",
        "version": "2",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "amount": "1000",
      "scheme": "exact",
      "symbol": "USDC",
      "chainId": 5042,
      "network": "arc",
      "decimals": 6,
      "mimeType": "application/json",
      "priceUsd": "~$0.001",
      "receiver": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "resource": "https://apexfaucet.xyz/api/x402/arc-allowance",
      "priceMinor": 1000,
      "description": "Allowance check on Arc, before an app asks for an approval: what owner has already approved to spender for a token (default USDC; add &token=0x... for another), in tokens and USD, whether it is unlimited, the owner's balance, whether the spender is a contract and its name if it is one our own code uses on Arc (Uniswap v4 PoolManager, UniversalRouter, Permit2, Circle Gateway Wallet, CCTP TokenMessenger, the launchpad router; never guessed), and risk signals (unlimited to an unknown contract, an approval to a plain wallet, more than the balance). Pass ?owner=0x...&spender=0x.... A non-token or a failed read is refused before payment.",
      "networkName": "arc",
      "validForSec": 300,
      "networkCaip2": "eip155:5042",
      "priceDisplay": "0.001 USDC",
      "replayHeader": "X-PAYMENT-ARC",
      "maxAmountRequired": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "rpc": "https://mainnet.base.org",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "note": "Standard x402: sign an EIP-3009 transferWithAuthorization for this amount to payTo and send it base64 in PAYMENT-SIGNATURE — we settle it, you pay no gas. Or send USDC to payTo and replay the tx hash in X-PAYMENT-BASE.",
        "version": "2",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "amount": "1000",
      "scheme": "exact",
      "symbol": "USDC",
      "chainId": 8453,
      "network": "base",
      "decimals": 6,
      "mimeType": "application/json",
      "priceUsd": "~$0.001",
      "receiver": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "resource": "https://apexfaucet.xyz/api/x402/arc-allowance",
      "priceMinor": 1000,
      "description": "Allowance check on Arc, before an app asks for an approval: what owner has already approved to spender for a token (default USDC; add &token=0x... for another), in tokens and USD, whether it is unlimited, the owner's balance, whether the spender is a contract and its name if it is one our own code uses on Arc (Uniswap v4 PoolManager, UniversalRouter, Permit2, Circle Gateway Wallet, CCTP TokenMessenger, the launchpad router; never guessed), and risk signals (unlimited to an unknown contract, an approval to a plain wallet, more than the balance). Pass ?owner=0x...&spender=0x.... A non-token or a failed read is refused before payment.",
      "networkName": "base",
      "validForSec": 300,
      "networkCaip2": "eip155:8453",
      "priceDisplay": "0.001 USDC",
      "replayHeader": "X-PAYMENT-BASE",
      "maxAmountRequired": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "rpc": "https://rpc.mainnet.x1.xyz",
      "note": "X1 is an SVM chain without a registered CAIP-2 namespace; standard x402 clients cannot pay on it. Pay the USDC option, or send XNT yourself and replay the signature.",
      "asset": "native",
      "payTo": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ",
      "amount": "6000000",
      "scheme": "exact",
      "symbol": "XNT",
      "chainId": "x1-mainnet",
      "network": "x1",
      "decimals": 9,
      "mimeType": "application/json",
      "priceUsd": "~$0.001",
      "receiver": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ",
      "resource": "https://apexfaucet.xyz/api/x402/arc-allowance",
      "priceMinor": 6000000,
      "description": "Allowance check on Arc, before an app asks for an approval: what owner has already approved to spender for a token (default USDC; add &token=0x... for another), in tokens and USD, whether it is unlimited, the owner's balance, whether the spender is a contract and its name if it is one our own code uses on Arc (Uniswap v4 PoolManager, UniversalRouter, Permit2, Circle Gateway Wallet, CCTP TokenMessenger, the launchpad router; never guessed), and risk signals (unlimited to an unknown contract, an approval to a plain wallet, more than the balance). Pass ?owner=0x...&spender=0x.... A non-token or a failed read is refused before payment.",
      "networkName": "x1",
      "validForSec": 300,
      "priceDisplay": "0.0060 XNT",
      "replayHeader": "X-PAYMENT",
      "maxAmountRequired": "6000000",
      "maxTimeoutSeconds": 300
    }
  ],
  "revenue": "Payment funds the public APEX faucet — every paid request lets a stranger claim free XNT.",
  "version": "1",
  "cardPass": {
    "buy": "https://apexfaucet.xyz/pass/",
    "what": "$5 by card, tax included: a key that pays this and every other tool at list prices; no crypto wallet needed",
    "header": "X-APEX-PASS"
  },
  "required": [
    {
      "name": "owner",
      "example": "0x024b82335C29Fa5606a8ea5c1D24FC9eAD50700C",
      "description": "The wallet that gave (or would give) the approval."
    },
    {
      "name": "spender",
      "example": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
      "description": "The contract or wallet allowed to spend."
    }
  ],
  "resource": "/api/x402/arc-allowance",
  "standard": "x402",
  "discovery": "/.well-known/x402",
  "facilitator": "/api/x402/verify",
  "x402Version": 1,
  "holderAccess": {
    "rule": "value at the live pool price when you qualify; after that, selling or moving the tokens ends it for good",
    "sign": "personal_sign of \"APEX data access for <your address, lowercase> at <unix seconds>\" with the holding wallet",
    "chain": "Arc (eip155:5042)",
    "tiers": [
      {
        "free": "lifetime",
        "holdUsd": 10000
      },
      {
        "free": "year",
        "holdUsd": 500
      },
      {
        "free": "month",
        "holdUsd": 50
      }
    ],
    "token": "0xaaedbd8c51645c6669692d32c67625527121f3aa",
    "header": "X-APEX-HOLDER: <address>.<unix seconds>.<signature>",
    "dailyCap": 1000,
    "buyFaucet": "https://ubi.fun/markets/0xaaedbd8c51645c6669692d32c67625527121f3aa",
    "lifetimeKey": {
      "buy": "https://apexfaucet.xyz/api/pay/unlock?product=lifetime&tx=<transaction>",
      "header": "X-Unlock",
      "priceUsd": 10000
    }
  },
  "instructions": [
    "Standard x402 clients: sign the Solana USDC option (exact scheme, fee payer D93NE2kMj88BPsHfdZZ4A1HX2CGo14Y18Bdb3J4qtD5c) and send it in the PAYMENT-SIGNATURE header. We settle it and return PAYMENT-RESPONSE with the transaction.",
    "Or pay yourself on ONE network and replay the signature:",
    "— Solana USDC: send 0.001 USDC to HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ on Solana mainnet; replay with header X-PAYMENT-SOL: <tx_sig>",
    "— X1 native: send 0.0060 XNT to HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ on rpc.mainnet.x1.xyz; replay with header X-PAYMENT: <tx_sig>",
    "Every payment is verified on chain before the content is served."
  ]
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://apexfaucet.xyz/api/x402/arc-allowance",
    "description": "",
    "maxAmountRequired": "1000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-12 22:33Z

Last indexed by Roundhouse

2026-10-26 19:46Z

Last enriched (probe, favicon, geo)

2026-10-10 12:16Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402