Notus API
User operations

Create Batch Operation

An operation that can join transfers and swaps into a single operation.

POST
/api/v1/crypto/batch-operations
x-api-key<token>

In: header

walletAddressstring

The wallet address (in hexadecimal format) initiating the operation.

Match^0x[a-fA-F0-9]{40}$
chainIdnumber

The blockchain network where the operation originates. Supported EVM chains:

  • Arbitrum One: 42161
  • Avalanche: 43114
  • Base: 8453
  • BNB Smart Chain: 56
  • Ethereum: 1
  • Gnosis: 100
  • OP Mainnet: 10
  • Polygon: 137
operationsarray<Transfer | Swap>

List of operations to execute, the order in the list is the order of execution.

Response Body

curl -X POST "https://api.notus.team/api/v1/crypto/batch-operations" \
  -H "Content-Type: application/json" \
  -d '{
    "walletAddress": "0xa2acc967a9fc4fd5d18351d06deb9b8718c18333",
    "chainId": 42161,
    "operations": [
      {
        "type": "transfer",
        "params": {
          "amount": "101.25",
          "gasFeePaymentMethod": "ADD_TO_AMOUNT",
          "payGasFeeToken": "0x82af49447d8a07e3bd95bd0d56f35241523fbab1",
          "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
          "toAddress": "0xa7a9dcfcb65ed67e05d9c7eb49d2d74ce1f5f4f1"
        }
      }
    ]
  }'
const body = JSON.stringify({
  "walletAddress": "0xa2acc967a9fc4fd5d18351d06deb9b8718c18333",
  "chainId": 42161,
  "operations": [
    {
      "type": "transfer",
      "params": {
        "amount": "101.25",
        "gasFeePaymentMethod": "ADD_TO_AMOUNT",
        "payGasFeeToken": "0x82af49447d8a07e3bd95bd0d56f35241523fbab1",
        "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
        "toAddress": "0xa7a9dcfcb65ed67e05d9c7eb49d2d74ce1f5f4f1"
      }
    }
  ]
})

fetch("https://api.notus.team/api/v1/crypto/batch-operations", {
  body
})
package main

import (
  "fmt"
  "net/http"
  "io/ioutil"
  "strings"
)

func main() {
  url := "https://api.notus.team/api/v1/crypto/batch-operations"
  body := strings.NewReader(`{
    "walletAddress": "0xa2acc967a9fc4fd5d18351d06deb9b8718c18333",
    "chainId": 42161,
    "operations": [
      {
        "type": "transfer",
        "params": {
          "amount": "101.25",
          "gasFeePaymentMethod": "ADD_TO_AMOUNT",
          "payGasFeeToken": "0x82af49447d8a07e3bd95bd0d56f35241523fbab1",
          "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
          "toAddress": "0xa7a9dcfcb65ed67e05d9c7eb49d2d74ce1f5f4f1"
        }
      }
    ]
  }`)
  req, _ := http.NewRequest("POST", url, body)
  req.Header.Add("Content-Type", "application/json")
  res, _ := http.DefaultClient.Do(req)
  defer res.Body.Close()
  body, _ := ioutil.ReadAll(res.Body)

  fmt.Println(res)
  fmt.Println(string(body))
}
import requests

url = "https://api.notus.team/api/v1/crypto/batch-operations"
body = {
  "walletAddress": "0xa2acc967a9fc4fd5d18351d06deb9b8718c18333",
  "chainId": 42161,
  "operations": [
    {
      "type": "transfer",
      "params": {
        "amount": "101.25",
        "gasFeePaymentMethod": "ADD_TO_AMOUNT",
        "payGasFeeToken": "0x82af49447d8a07e3bd95bd0d56f35241523fbab1",
        "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
        "toAddress": "0xa7a9dcfcb65ed67e05d9c7eb49d2d74ce1f5f4f1"
      }
    }
  ]
}
response = requests.request("POST", url, json = body, headers = {
  "Content-Type": "application/json"
})

print(response.text)
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.time.Duration;
import java.net.http.HttpRequest.BodyPublishers;

var body = BodyPublishers.ofString("""{
  "walletAddress": "0xa2acc967a9fc4fd5d18351d06deb9b8718c18333",
  "chainId": 42161,
  "operations": [
    {
      "type": "transfer",
      "params": {
        "amount": "101.25",
        "gasFeePaymentMethod": "ADD_TO_AMOUNT",
        "payGasFeeToken": "0x82af49447d8a07e3bd95bd0d56f35241523fbab1",
        "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
        "toAddress": "0xa7a9dcfcb65ed67e05d9c7eb49d2d74ce1f5f4f1"
      }
    }
  ]
}""");
HttpClient client = HttpClient.newBuilder()
  .connectTimeout(Duration.ofSeconds(10))
  .build();

HttpRequest.Builder requestBuilder = HttpRequest.newBuilder()
  .uri(URI.create("https://api.notus.team/api/v1/crypto/batch-operations"))
  .header("Content-Type", "application/json")
  .POST(body)
  .build();

try {
  HttpResponse<String> response = client.send(requestBuilder.build(), BodyHandlers.ofString());
  System.out.println("Status code: " + response.statusCode());
  System.out.println("Response body: " + response.body());
} catch (Exception e) {
  e.printStackTrace();
}
using System;
using System.Net.Http;
using System.Text;

var body = new StringContent("""
{
  "walletAddress": "0xa2acc967a9fc4fd5d18351d06deb9b8718c18333",
  "chainId": 42161,
  "operations": [
    {
      "type": "transfer",
      "params": {
        "amount": "101.25",
        "gasFeePaymentMethod": "ADD_TO_AMOUNT",
        "payGasFeeToken": "0x82af49447d8a07e3bd95bd0d56f35241523fbab1",
        "token": "0xaf88d065e77c8cc2239327c5edb3a432268e5831",
        "toAddress": "0xa7a9dcfcb65ed67e05d9c7eb49d2d74ce1f5f4f1"
      }
    }
  ]
}
""", Encoding.UTF8, "application/json");

var client = new HttpClient();
var response = await client.PostAsync("https://api.notus.team/api/v1/crypto/batch-operations", body);
var responseBody = await response.Content.ReadAsStringAsync();
{
  "userOperationHash": "0x2aac7a66d5331454eafc9b981be3596ad08a40dad24883e3b9c4a5362cd7f7e1",
  "quoteId": "0x2aac7a66d5331454eafc9b981be3596ad08a40dad24883e3b9c4a5362cd7f7e1",
  "authorization": {
    "chainId": 42161,
    "address": "0xd6cedde84be40893d153be9d467cd6ad37875b28",
    "nonce": 10,
    "hash": "0x777811ae5d51875409b9978ddc1b40a9da1bbe9570040bdd7c5f186d70ceceba"
  },
  "expiresAt": "2025-10-26T13:27:49.542Z",
  "operations": [
    {
      "swap": {
        "metadata": {
          "key": "value"
        },
        "userOperationHash": "0x2aac7a66d5331454eafc9b981be3596ad08a40dad24883e3b9c4a5362cd7f7e1",
        "quoteId": "0x2aac7a66d5331454eafc9b981be3596ad08a40dad24883e3b9c4a5362cd7f7e1",
        "revertReason": {
          "decoded": "ERC-20 insufficient balance. Address 0xf12534a4939c7fbda50f893774a9525265fe1a9a has 120. The operation requested 200.",
          "raw": "0xe450d38c000000000000000000000000f12534a4939c7fbda50f893774a9525265fe1a9a0000000000000000000000000000000000000000000000068155a43676e0000000000000000000000000000000000000000000000000000ad78ebc5ac6200000",
          "utf8": "\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000�%4�����\u000f�7t�RRe�\u001a\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0006�U�6v�\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0000\n׎�Z� \u0000\u0000"
        },
        "authorization": {
          "chainId": 42161,
          "address": "0xd6cedde84be40893d153be9d467cd6ad37875b28",
          "nonce": 10,
          "hash": "0x777811ae5d51875409b9978ddc1b40a9da1bbe9570040bdd7c5f186d70ceceba"
        },
        "walletAddress": "0x6e397ddf51d9f15dbe0414538e7529f51f2e5464",
        "tokenIn": "0x2791bca1f2de4661ed88a30c99a7a9449aa84174",
        "amountIn": "1.26",
        "tokenOut": "0x1bfd67037b42cf73acf2047067bd4f2c47d9bfd6",
        "chainIn": 42161,
        "chainOut": 43114,
        "minAmountOut": "23.48",
        "estimatedExecutionTime": "2026-04-12T14:49:12.762Z",
        "estimatedGasFees": {
          "payGasFeeToken": "0xc2132d05d31c914a87c6611c10748aeb04b58e8f",
          "maxGasFeeToken": "12.345",
          "gasFeeTokenAmount": "12.345",
          "gasFeeTokenAmountUSD": "0.321",
          "maxGasFeeNative": "string"
        },
        "estimatedCollectedFee": {
          "collectedFeeToken": "string",
          "collectedFee": "string",
          "collectedFeePercent": "string",
          "notusCollectedFee": "string",
          "notusCollectedFeePercent": "string"
        },
        "amountInUSD": "23.4921",
        "amountOutUSD": "23.502",
        "tokenInPrice": "1.736",
        "swapProvider": "ENSO",
        "expiresAt": 1751469204210
      }
    }
  ]
}
{
  "statusCode": 400,
  "id": "NOT_AUTHORIZED_TOKENS",
  "message": "The tokens '[0xaf88d065e77c8cc2239327c5edb3a432268e5831]' are not authorized yet."
}
{
  "statusCode": 403,
  "id": "UNAVAILABLE_COMPUTE_UNITS",
  "message": "The project doesn't have enough compute units to perform this action. Please upgrade your plan."
}
{
  "statusCode": 404,
  "id": "ACCOUNT_ABSTRACTION_ADDRESS_NOT_REGISTERED_WITH_PROJECT",
  "message": "The requested wallet \"0x6e397ddf51d9f15dbe0414538e7529f51f2e5464\" is not registered with the project"
}
{
  "statusCode": 500,
  "id": "SWAP_QUOTE",
  "message": "Failed to get a swap quote. Please try again later"
}