O

Onesource · Chain Erc721 Tokens

by Onesource

GETBase

$0.008

per call · USD Coin on Base

List every ERC721 NFT token_id a wallet owns in a collection via tokenOfOwnerByIndex (eth_call)

Endpoint

GET https://api.onesource.io/api/chain/erc721-tokens

696

Calls / 30d

692

Unique payers / 30d

Sep 10

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api.onesource.io/api/chain/erc721-tokens", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://api.onesource.io/api/chain/erc721-tokens?address=0xd8da6bf26964af9d7eed9e03e53415d37aa96045&contract=0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d&network=ethereum" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "data": {
    "balance": "3",
    "contract_address": "0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d",
    "is_enumerable": true,
    "owner": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
    "token_ids": [
      "1",
      "42",
      "100"
    ]
  },
  "meta": {
    "cost_usdc": "0.001",
    "endpoint": "/api/chain/erc721-tokens",
    "payment_chain": "base",
    "payment_token": "USDC",
    "request_id": "00000000abcdef01"
  }
}

Payment details

Pay to0x52e29e0d2aa49bfbfc548c0a9f2196f4aa51f3ea
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact, batch-settlement

Is this your API?

Pin it to the top of Onchain Data and the homepage with a featured placement.

Get featured →

More from Onesource & similar services