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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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 58 min ago | Passed | 402 | 63 ms | $0.001 |
| 4 h ago | Passed | 402 | 75 ms | $0.001 |
| 9 h ago | Passed | 402 | 62 ms | $0.001 |