curl --request GET \
  --url https://api.zerion.io/v1/chains/{chain_id} \
  --header 'Authorization: Basic <encoded-value>'

import requests

url = "https://api.zerion.io/v1/chains/{chain_id}"

headers = {"Authorization": "Basic <encoded-value>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Basic <encoded-value>'}};

fetch('https://api.zerion.io/v1/chains/{chain_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://api.zerion.io/v1/chains/{chain_id}"

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

	req.Header.Add("Authorization", "Basic <encoded-value>")

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

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

	fmt.Println(string(body))

}

{
  "links": {
    "self": "https://api.zerion.io/v1/chains/polygon"
  },
  "data": {
    "type": "chains",
    "id": "polygon",
    "attributes": {
      "name": "polygon",
      "external_id": "0x4e454152",
      "icon": {
        "url": "https://token-icons.s3.amazonaws.com/0x0391d2021f89dc339f60fff84546ea23e337750f.png"
      },
      "explorer": {
        "name": "polygonScan",
        "token_url_format": "https://explorer.mainnet.polygon.dev/token/{ADDRESS}",
        "tx_url_format": "https://explorer.mainnet.polygon.dev/tx/{HASH}",
        "home_url": "https://explorer.mainnet.polygon.dev"
      },
      "rpc": {
        "internal_server_url_format": "https://mainnet.polygon.dev/{polygon_API_KEY}",
        "public_servers_url": [
          "https://mainnet.polygon.dev"
        ]
      },
      "flags": {
        "supports_trading": true,
        "supports_sending": true,
        "supports_bridge": true
      }
    },
    "relationships": {
      "native_fungible": {
        "links": {
          "related": "https://api.zerion.io/v1/fungibles/0x2af1df3ab0ab157e1e2ad8f88a7d04fbea0c7dc6"
        },
        "data": {
          "type": "fungibles",
          "id": "0x2af1df3ab0ab157e1e2ad8f88a7d04fbea0c7dc6"
        }
      },
      "wrapped_native_fungible": {
        "links": {
          "related": "https://api.zerion.io/v1/fungibles/0x2af1df3ab0ab157e1e2ad8f88a7d04fbea0c7dc6"
        },
        "data": {
          "type": "fungibles",
          "id": "0x2af1df3ab0ab157e1e2ad8f88a7d04fbea0c7dc6"
        }
      }
    }
  }
}

{
  "errors": [
    {
      "title": "Parameter is malformed",
      "detail": "Some validation errors will be described here"
    }
  ]
}

{
  "errors": [
    {
      "title": "Unauthorized Error",
      "detail": "The API key is invalid, please, make sure that you are using a valid key"
    }
  ]
}

{
  "errors": [
    {
      "title": "Resource was not found",
      "detail": "Requested resource was not found, try later"
    }
  ]
}

{
  "errors": [
    {
      "title": "Too many requests",
      "detail": "Your request had been throttled"
    }
  ]
}