Spec

Code snippets

curl "https://api.oanor.com/tokeninfo-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/tokeninfo-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/tokeninfo-api/v1/meta");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/tokeninfo-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "chains": [
            "ethereum",
            "polygon",
            "bsc",
            "arbitrum",
            "optimism",
            "base",
            "avalanche"
        ],
        "source": "Public chain RPC (publicnode) eth_call ERC-20 interface (live)",
        "service": "tokeninfo-api",
        "endpoints": {
            "GET /v1/meta": "This document.",
            "GET /v1/token": "ERC-20 metadata: name, symbol, decimals, total supply (address=0x…token, chain=ethereum).",
            "GET /v1/chains": "Supported chains and aliases.",
            "GET /v1/balance": "A wallet's token balance (token=0x…, owner=0x…, chain=)."
        },
        "description": "Live ERC-20 token metadata read on-chain via eth_call: for any token contract address, its name, symbol, decimals and total supply (raw and formatted), plus any wallet's token balance. Across Ethereum, Polygon, BSC, Arbitrum, Optimism, Base and Avalanche. Live, no key. Distinct from native-balance and market-price APIs — this is on-chain ERC-20 contract data read directly from the blockchain.",
        "upstream_status": "ok"
    },
    "meta": {
        "timestamp": "2026-06-09T03:01:59.713Z",
        "request_id": "eb7a474e-5c98-4af9-a7b2-e95627acd9da"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}