90trust / 100
Chain Total Supply
by api.onesource.io in Onchain & crypto
x402 APIPassing, checked 2 h ago
Total supply of an ERC20 or ERC721 token contract via totalSupply (eth_call)
GET https://api.onesource.io/api/chain/total-supply
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 137 ms typical, 137 ms slowest 5%
- Last check
- 2 h ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.onesource.io/api/chain/total-supply?contract=0xdac17f958d2ee523a2206206994597c13d831ec7&network=ethereum"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%2Fapi.onesource.io%2Fapi%2Fchain%2Ftotal-supply
const res = await pay("https://api.onesource.io/api/chain/total-supply?contract=0xdac17f958d2ee523a2206206994597c13d831ec7&network=ethereum");
console.log(await res.json());Example input
{
"contract": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"network": "ethereum"
}Example output
{
"data": {
"contract_address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"decimals": 6,
"is_erc721": false,
"name": "Tether USD",
"symbol": "USDT",
"total_supply": "39283948340000000"
},
"meta": {
"cost_usdc": "0.001",
"endpoint": "/api/chain/total-supply",
"payment_chain": "base",
"payment_token": "USDC",
"request_id": "00000000abcdef01"
}
}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 |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 124 ms | $0.003 |
| 6 h ago | Passed | 402 | 137 ms | $0.003 |
| 11 h ago | Passed | 402 | 793 ms | $0.003 |