Index onlineMerchant portal
Api Endpoint

ERC20 allowance

ERC20 allowance on Ethereum, Base, Arc or BNB Chain: how much a spender may move from an owner, raw and in token units, and whether the approval is effectively unlimited. Pass ?token=&owner=&spender=&chain=

Open interactive test console

Offering

Provider
apexfaucet.xyz
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://apexfaucet.xyz/api/x402/evm-allowance
MIME type
application/json
First seen
2026-10-16T01:53:48.755Z
Last seen
Tags
allowance, approval, ERC20, Ethereum, Base

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
1000 atomic units
Atomic price: 1000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Payment option 3
1000 atomic units
Atomic price: 1000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Payment option 4
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 5
0.001 USDC
Atomic price: 1000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 6
10000000000000000 atomic units
Atomic price: 10000000000000000 · Network: eip155:56 · Asset: 0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d · Scheme: exact
Payment option 7
10000000000000000 atomic units
Atomic price: 10000000000000000 · Network: eip155:56 · Asset: 0xcE24439F2D9C6a2289F741120FE202248B666666 · Scheme: exact
Payment option 8
0.01 USDC
Atomic price: 10000 · Network: eip155:4663 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed"
  },
  {
    "scheme": "exact",
    "network": "eip155:5042",
    "asset": "0x3600000000000000000000000000000000000000",
    "amount": "1000",
    "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed"
  },
  {
    "scheme": "exact",
    "network": "eip155:5042",
    "asset": "0x3600000000000000000000000000000000000000",
    "amount": "1000",
    "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "payTo": "HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ"
  },
  {
    "scheme": "exact",
    "network": "eip155:56",
    "asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
    "amount": "10000000000000000",
    "payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD"
  },
  {
    "scheme": "exact",
    "network": "eip155:56",
    "asset": "0xcE24439F2D9C6a2289F741120FE202248B666666",
    "amount": "10000000000000000",
    "payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD"
  },
  {
    "scheme": "exact",
    "network": "eip155:4663",
    "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
    "amount": "10000",
    "payTo": "0xd334AB5151C624cAdA654854E2879903Dc4217eD"
  }
]

Observed health

Status
Healthy
Latest latency
161 ms
Average latency
695 ms
HTTP status
402
Last checked
Reachability
86.7% over 15 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "token": {
          "type": "string",
          "pattern": "^0x[0-9a-fA-F]{40}$",
          "description": "ERC20 token contract."
        },
        "owner": {
          "type": "string",
          "pattern": "^0x[0-9a-fA-F]{40}$",
          "description": "Wallet that gave the approval."
        },
        "spender": {
          "type": "string",
          "pattern": "^0x[0-9a-fA-F]{40}$",
          "description": "Contract allowed to spend."
        },
        "chain": {
          "type": "string",
          "enum": [
            "ethereum",
            "base",
            "arc",
            "bnb"
          ],
          "description": "Chain to read: ethereum, base, arc or bnb. Default ethereum."
        }
      },
      "required": [
        "token",
        "owner",
        "spender"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "queryParams"
  ]
}

Output schema

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "input"
  ],
  "properties": {
    "input": {
      "type": "object",
      "required": [
        "type",
        "method",
        "queryParams"
      ],
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "type": "object",
          "required": [
            "token",
            "owner",
            "spender"
          ],
          "properties": {
            "chain": {
              "enum": [
                "ethereum",
                "base",
                "arc",
                "bnb"
              ],
              "type": "string",
              "description": "Chain to read: ethereum, base, arc or bnb. Default ethereum."
            },
            "owner": {
              "type": "string",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "description": "Wallet that gave the approval."
            },
            "token": {
              "type": "string",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "description": "ERC20 token contract."
            },
            "spender": {
              "type": "string",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "description": "Contract allowed to spend."
            }
          }
        }
      }
    },
    "output": {
      "type": "object"
    }
  }
}