Contract ABI | Apiosk Gateway

Base URL

https://gateway.apiosk.com/cbz-abi-cyberwarex-com

Technical Specs

Auth MethodNone (x402 payment proof only)

Response FormatJSON

Endpoints1

Endpoints

Method	Path	Description	Cost
GET	/abi	Fetch a verified contract's ABI and metadata by address, keylessly, from Sourcify. Returns the ABI plus a summarized list of function and event signatures, the contract name and compiler, and proxy detection (is_proxy + implementation address). Block explorers gate the ABI behind an API key; this does not. Chains: base, ethereum, arbitrum, optimism, polygon, bsc, avalanche. No API keys, no LLM, one x402 USDC micropayment per call.	$0.0034 default	View details

Endpoint documentation

GET/abi

$0.0034 default

Description

Fetch a verified contract's ABI and metadata by address, keylessly, from Sourcify. Returns the ABI plus a summarized list of function and event signatures, the contract name and compiler, and proxy detection (is_proxy + implementation address). Block explorers gate the ABI behind an API key; this does not. Chains: base, ethereum, arbitrum, optimism, polygon, bsc, avalanche. No API keys, no LLM, one x402 USDC micropayment per call.

Pricing

$0.0034 default

Parameters

{
  "additionalProperties": false,
  "properties": {
    "address": {
      "description": "Contract address (0x + 40 hex chars, required).",
      "pattern": "^0x[a-fA-F0-9]{40}$",
      "type": "string"
    },
    "chain": {
      "description": "EVM chain (default base).",
      "enum": [
        "arbitrum",
        "avalanche",
        "base",
        "bsc",
        "ethereum",
        "optimism",
        "polygon"
      ],
      "type": "string"
    }
  },
  "required": [
    "address"
  ],
  "type": "object"
}

Example response

{
  "abi_entries": 16,
  "address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
  "chain": "ethereum",
  "compiler": "0.4.19+commit.c4cbbb05",
  "events": [
    "Transfer(address,address,uint256)"
  ],
  "functions": [
    "approve(address,uint256)",
    "transfer(address,uint256)",
    "withdraw(uint256)"
  ],
  "is_proxy": false,
  "match": "exact_match",
  "name": "WETH9",
  "source": "Sourcify",
  "verified": true
}