curl --request POST \
  --url https://app.herondata.io/api/integrations/{heron_id}/links \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "access_token": "access-sandbox-de3ce8ef-33f8-452c-a685-8671031fc0f6",
  "end_user_id": "f431668d-aa85-4d59-bb29-4051fcc62d28",
  "item_id": "M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op",
  "asset_report_token": "<string>",
  "end_user_name": "Acme Corp"
}
'

import requests

url = "https://app.herondata.io/api/integrations/{heron_id}/links"

payload = {
    "access_token": "access-sandbox-de3ce8ef-33f8-452c-a685-8671031fc0f6",
    "end_user_id": "f431668d-aa85-4d59-bb29-4051fcc62d28",
    "item_id": "M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op",
    "asset_report_token": "<string>",
    "end_user_name": "Acme Corp"
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    access_token: 'access-sandbox-de3ce8ef-33f8-452c-a685-8671031fc0f6',
    end_user_id: 'f431668d-aa85-4d59-bb29-4051fcc62d28',
    item_id: 'M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op',
    asset_report_token: '<string>',
    end_user_name: 'Acme Corp'
  })
};

fetch('https://app.herondata.io/api/integrations/{heron_id}/links', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.herondata.io/api/integrations/{heron_id}/links",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'access_token' => 'access-sandbox-de3ce8ef-33f8-452c-a685-8671031fc0f6',
    'end_user_id' => 'f431668d-aa85-4d59-bb29-4051fcc62d28',
    'item_id' => 'M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op',
    'asset_report_token' => '<string>',
    'end_user_name' => 'Acme Corp'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://app.herondata.io/api/integrations/{heron_id}/links"

	payload := strings.NewReader("{\n  \"access_token\": \"access-sandbox-de3ce8ef-33f8-452c-a685-8671031fc0f6\",\n  \"end_user_id\": \"f431668d-aa85-4d59-bb29-4051fcc62d28\",\n  \"item_id\": \"M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op\",\n  \"asset_report_token\": \"<string>\",\n  \"end_user_name\": \"Acme Corp\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("x-api-key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://app.herondata.io/api/integrations/{heron_id}/links")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"access_token\": \"access-sandbox-de3ce8ef-33f8-452c-a685-8671031fc0f6\",\n  \"end_user_id\": \"f431668d-aa85-4d59-bb29-4051fcc62d28\",\n  \"item_id\": \"M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op\",\n  \"asset_report_token\": \"<string>\",\n  \"end_user_name\": \"Acme Corp\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.herondata.io/api/integrations/{heron_id}/links")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"access_token\": \"access-sandbox-de3ce8ef-33f8-452c-a685-8671031fc0f6\",\n  \"end_user_id\": \"f431668d-aa85-4d59-bb29-4051fcc62d28\",\n  \"item_id\": \"M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op\",\n  \"asset_report_token\": \"<string>\",\n  \"end_user_name\": \"Acme Corp\"\n}"

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

{
  "link": {
    "item_id": "M5eVJqLnv3tbzdngLDp9FL5OlDNxlNhlE55op",
    "created": "2020-01-01T00:00:00Z",
    "data_source_heron_id": "<string>",
    "last_successful_sync": "2020-01-01T00:00:00Z",
    "last_updated": "2020-01-01T00:00:00Z",
    "status": "active",
    "status_message": "[ITEM_LOGIN_REQUIRED] the login details of this item have changed (credentials, MFA, or required user action) and a user login is required to update this information. use Link's update mode to restore the item to a good state",
    "type": "plaid_assets_report"
  }
}