List entities

const options = {method: 'GET', headers: {'api-key': '<api-key>'}};

fetch('https://api.melio.com/v2/entities', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.melio.com/v2/entities"

headers = {"api-key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

curl --request GET \
  --url https://api.melio.com/v2/entities \
  --header 'api-key: <api-key>'

HttpResponse<String> response = Unirest.get("https://api.melio.com/v2/entities")
  .header("api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.melio.com/v2/entities")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["api-key"] = '<api-key>'

response = http.request(request)
puts response.read_body

package main

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

func main() {

	url := "https://api.melio.com/v2/entities"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("api-key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "data": [
    {
      "id": "ent_7c9e6679-7425-40de-944b-e07fc1f90ae7",
      "type": "business",
      "externalId": "partner-biz-1234",
      "createdAt": "2026-07-08T15:00:00Z",
      "updatedAt": "2026-07-08T15:00:00Z",
      "name": "Acme Supplies",
      "legalName": "Acme Supplies LLC",
      "businessType": "llc",
      "taxInfo": {
        "type": "ein",
        "identifierLast4": "6789"
      },
      "phoneNumber": "+12125551234",
      "contact": {
        "firstName": "Jane",
        "lastName": "Doe"
      },
      "website": "https://acmesupplies.com",
      "address": {
        "line1": "350 5th Ave",
        "city": "New York",
        "state": "NY",
        "postalCode": "10118",
        "countryCode": "US"
      },
      "legalAddress": {
        "line1": "350 5th Ave",
        "city": "New York",
        "state": "NY",
        "postalCode": "10118",
        "countryCode": "US"
      },
      "industry": {
        "naicsCode": "424410"
      },
      "owner": {
        "firstName": "Jane",
        "lastName": "Doe",
        "email": "[email protected]"
      }
    }
  ]
}