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GET
/
custodians
/
me
/
gas-sponsors
/
chains
/
{chainId}
/
usage
Get historical gas sponsorship usage (deprecated)
curl --request GET \
  --url https://api.portalhq.io/api/v3/custodians/me/gas-sponsors/chains/{chainId}/usage \
  --header 'Authorization: Bearer <token>'
import requests

url = "https://api.portalhq.io/api/v3/custodians/me/gas-sponsors/chains/{chainId}/usage"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.portalhq.io/api/v3/custodians/me/gas-sponsors/chains/{chainId}/usage', 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://api.portalhq.io/api/v3/custodians/me/gas-sponsors/chains/{chainId}/usage",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);

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

curl_close($curl);

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

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

func main() {

url := "https://api.portalhq.io/api/v3/custodians/me/gas-sponsors/chains/{chainId}/usage"

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

req.Header.Add("Authorization", "Bearer <token>")

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

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

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.get("https://api.portalhq.io/api/v3/custodians/me/gas-sponsors/chains/{chainId}/usage")
.header("Authorization", "Bearer <token>")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.portalhq.io/api/v3/custodians/me/gas-sponsors/chains/{chainId}/usage")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body
{
  "address": "75ZfLXXsSpycDvHTQuHnGQuYgd2ihb6Bu4viiCCQ7P4H",
  "chainId": "solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1",
  "usageData": [
    {
      "month": "June",
      "year": 2025,
      "usage": "0.011249279999999794",
      "txCount": 921
    },
    {
      "month": "May",
      "year": 2025,
      "usage": "0.01",
      "txCount": 2
    }
  ],
  "totalUsage": "0.021249279999999794",
  "totalTxsSponsored": 923
}
{
"error": "<string>"
}
{
"error": "<string>"
}

Authorizations

Authorization
string
header
required

Portal API Key (Custodian API Key). Pass as a Bearer token in the Authorization header.

Path Parameters

chainId
string
required

The CAIP-2 chain ID. Be sure the colon (:) is URI-encoded as %3A in the URL.

Response

Gas usage retrieved successfully

address
string

Your gas sponsor's address.

chainId
string
usageData
object[]
totalUsage
string
totalTxsSponsored
integer