curl --request POST \
  --url https://api.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/refresh-metadata \
  --header 'Content-Type: application/json' \
  --header 'x-immutable-api-key: <api-key>' \
  --data '
{
  "collection_metadata": {
    "name": "Gigantic Lizards",
    "symbol": "GLZ",
    "description": "This is the Gigantic Lizards collection",
    "image": "https://some-url",
    "external_link": "https://some-url",
    "contract_uri": "https://some-url",
    "base_uri": "https://some-url"
  }
}
'

import requests

url = "https://api.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/refresh-metadata"

payload = { "collection_metadata": {
        "name": "Gigantic Lizards",
        "symbol": "GLZ",
        "description": "This is the Gigantic Lizards collection",
        "image": "https://some-url",
        "external_link": "https://some-url",
        "contract_uri": "https://some-url",
        "base_uri": "https://some-url"
    } }
headers = {
    "x-immutable-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-immutable-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    collection_metadata: {
      name: 'Gigantic Lizards',
      symbol: 'GLZ',
      description: 'This is the Gigantic Lizards collection',
      image: 'https://some-url',
      external_link: 'https://some-url',
      contract_uri: 'https://some-url',
      base_uri: 'https://some-url'
    }
  })
};

fetch('https://api.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/refresh-metadata', 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.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/refresh-metadata",
  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([
    'collection_metadata' => [
        'name' => 'Gigantic Lizards',
        'symbol' => 'GLZ',
        'description' => 'This is the Gigantic Lizards collection',
        'image' => 'https://some-url',
        'external_link' => 'https://some-url',
        'contract_uri' => 'https://some-url',
        'base_uri' => 'https://some-url'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-immutable-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://api.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/refresh-metadata"

	payload := strings.NewReader("{\n  \"collection_metadata\": {\n    \"name\": \"Gigantic Lizards\",\n    \"symbol\": \"GLZ\",\n    \"description\": \"This is the Gigantic Lizards collection\",\n    \"image\": \"https://some-url\",\n    \"external_link\": \"https://some-url\",\n    \"contract_uri\": \"https://some-url\",\n    \"base_uri\": \"https://some-url\"\n  }\n}")

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

	req.Header.Add("x-immutable-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://api.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/refresh-metadata")
  .header("x-immutable-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"collection_metadata\": {\n    \"name\": \"Gigantic Lizards\",\n    \"symbol\": \"GLZ\",\n    \"description\": \"This is the Gigantic Lizards collection\",\n    \"image\": \"https://some-url\",\n    \"external_link\": \"https://some-url\",\n    \"contract_uri\": \"https://some-url\",\n    \"base_uri\": \"https://some-url\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sandbox.immutable.com/v1/chains/{chain_name}/collections/{contract_address}/refresh-metadata")

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

request = Net::HTTP::Post.new(url)
request["x-immutable-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"collection_metadata\": {\n    \"name\": \"Gigantic Lizards\",\n    \"symbol\": \"GLZ\",\n    \"description\": \"This is the Gigantic Lizards collection\",\n    \"image\": \"https://some-url\",\n    \"external_link\": \"https://some-url\",\n    \"contract_uri\": \"https://some-url\",\n    \"base_uri\": \"https://some-url\"\n  }\n}"

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

{
  "contract_address": "<string>",
  "chain": {
    "id": "eip155:13372",
    "name": "imtbl-zkevm-testnet"
  },
  "collection_metadata": {
    "name": "Gigantic Lizards",
    "symbol": "GLZ",
    "description": "This is the Gigantic Lizards collection",
    "image": "https://some-url",
    "external_link": "https://some-url",
    "contract_uri": "https://some-url",
    "base_uri": "https://some-url"
  }
}

{
  "message": "all fields must be provided",
  "link": "https://docs.x.immutable.com/reference/#/",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "VALIDATION_ERROR",
  "details": {}
}

{
  "message": "all fields must be provided",
  "link": "https://docs.x.immutable.com/reference/#/",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "UNAUTHORISED_REQUEST",
  "details": {}
}

{
  "message": "all fields must be provided",
  "link": "https://docs.x.immutable.com/reference/#/",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "AUTHENTICATION_ERROR",
  "details": {}
}

{
  "message": "all fields must be provided",
  "link": "https://docs.x.immutable.com/reference/#/",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "RESOURCE_NOT_FOUND",
  "details": {}
}

{
  "message": "all fields must be provided",
  "link": "https://docs.x.immutable.com/reference/#/",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "INTERNAL_SERVER_ERROR",
  "details": {}
}