curl --request POST \
  --url https://metadata.sequence.app/rpc/Metadata/GetContractInfoBatch \
  --header 'Content-Type: application/json' \
  --header 'X-Access-Key: <api-key>' \
  --data '
{
  "chainID": "80002",
  "contractAddresses": [
    "0x33c7848db3d37103718736d233f0db65cc222b1e",
    "0x70a2177071177e4aae639d1abb23ffa537b94970"
  ]
}
'

import requests

url = "https://metadata.sequence.app/rpc/Metadata/GetContractInfoBatch"

payload = {
    "chainID": "80002",
    "contractAddresses": ["0x33c7848db3d37103718736d233f0db65cc222b1e", "0x70a2177071177e4aae639d1abb23ffa537b94970"]
}
headers = {
    "X-Access-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-Access-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    chainID: '80002',
    contractAddresses: [
      '0x33c7848db3d37103718736d233f0db65cc222b1e',
      '0x70a2177071177e4aae639d1abb23ffa537b94970'
    ]
  })
};

fetch('https://metadata.sequence.app/rpc/Metadata/GetContractInfoBatch', 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://metadata.sequence.app/rpc/Metadata/GetContractInfoBatch",
  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([
    'chainID' => '80002',
    'contractAddresses' => [
        '0x33c7848db3d37103718736d233f0db65cc222b1e',
        '0x70a2177071177e4aae639d1abb23ffa537b94970'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Access-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://metadata.sequence.app/rpc/Metadata/GetContractInfoBatch"

	payload := strings.NewReader("{\n  \"chainID\": \"80002\",\n  \"contractAddresses\": [\n    \"0x33c7848db3d37103718736d233f0db65cc222b1e\",\n    \"0x70a2177071177e4aae639d1abb23ffa537b94970\"\n  ]\n}")

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

	req.Header.Add("X-Access-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://metadata.sequence.app/rpc/Metadata/GetContractInfoBatch")
  .header("X-Access-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"chainID\": \"80002\",\n  \"contractAddresses\": [\n    \"0x33c7848db3d37103718736d233f0db65cc222b1e\",\n    \"0x70a2177071177e4aae639d1abb23ffa537b94970\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://metadata.sequence.app/rpc/Metadata/GetContractInfoBatch")

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

request = Net::HTTP::Post.new(url)
request["X-Access-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"chainID\": \"80002\",\n  \"contractAddresses\": [\n    \"0x33c7848db3d37103718736d233f0db65cc222b1e\",\n    \"0x70a2177071177e4aae639d1abb23ffa537b94970\"\n  ]\n}"

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

{
  "contractInfoMap": {
    "0x33c7848db3d37103718736d233f0db65cc222b1e": {
      "chainId": 80002,
      "address": "0x33c7848db3d37103718736d233f0db65cc222b1e",
      "name": "Knives",
      "type": "ERC1155",
      "symbol": "",
      "logoURI": "https://metadata.sequence.app/projects/35598/collections/827/image.png",
      "deployed": true,
      "bytecodeHash": "0x77d12b9637a99b3ba23920eea929a68cc89b49a0e1ff4d2a71b798550cc0060e",
      "extensions": {
        "link": "https://baseurl/collections/collectioname",
        "description": "All knives from Alternates can be found in this category.",
        "ogImage": "https://metadata.sequence.app/projects/35598/collections/827/image.png",
        "ogName": "Knives",
        "originChainId": 0,
        "originAddress": "0x33c7848db3d37103718736d233f0db65cc222b1e",
        "verified": true,
        "verifiedBy": "token-directory"
      },
      "updatedAt": "2024-10-23T06:12:24.243404151Z"
    },
    "0x70a2177071177e4aae639d1abb23ffa537b94970": {
      "chainId": 80002,
      "address": "0x70a2177071177e4aae639d1abb23ffa537b94970",
      "name": "Placeholders",
      "type": "ERC721",
      "symbol": "",
      "logoURI": "https://metadata.sequence.app/projects/30957/collections/819/image.png",
      "deployed": true,
      "bytecodeHash": "0x77d12b9637a99b3ba23920eea929a68cc89b49a0e1ff4d2a71b798550cc0060e",
      "extensions": {
        "link": "",
        "description": "Placeholders collection",
        "ogImage": "https://metadata.sequence.app/projects/30957/collections/819/image.png",
        "ogName": "Vault for Sales",
        "originChainId": 0,
        "originAddress": "0x70a2177071177e4aae639d1abb23ffa537b94970",
        "verified": true,
        "verifiedBy": "token-directory"
      },
      "updatedAt": "2024-10-23T05:53:19.171080211Z"
    }
  }
}

{
  "error": "WebrpcEndpoint",
  "code": 0,
  "msg": "endpoint error",
  "status": 400,
  "cause": "<string>"
}

{
  "error": "WebrpcBadResponse",
  "code": -5,
  "msg": "bad response",
  "status": 500,
  "cause": "<string>"
}