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Supported Tokens

by Otto AI in Onchain & crypto

x402 APIPassing, checked 58 min ago

Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche). 5000+ tokens from CoinGecko. Use before swap/bridge to disambiguate tokens.

GET https://x402.ottoai.services/supported-tokens

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
63 ms typical, 63 ms slowest 5%
Last check
58 min ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://x402.ottoai.services/supported-tokens?chainId=8453&search=USDC"
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.ottoai.services%2Fsupported-tokens
const res = await pay("https://x402.ottoai.services/supported-tokens?chainId=8453&search=USDC");
console.log(await res.json());

Example input

{
  "chainId": "8453",
  "search": "USDC"
}

Example output

{
  "status": "success",
  "tokens": [
    {
      "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "decimals": 6,
      "symbol": "USDC"
    }
  ]
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
58 min agoPassed40263 ms$0.001
4 h agoPassed40275 ms$0.001
9 h agoPassed40262 ms$0.001