curl --request POST \
  --url https://staging.crossmint.com/api/2022-06-09/collections/{collectionId}/templates \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "metadata": {
    "name": "My template",
    "image": "https://www.crossmint.com/assets/crossmint/logo.png",
    "description": "A new collection with its own dedicated smart contract",
    "symbol": "<string>"
  },
  "onChain": {
    "tokenId": "1"
  },
  "supply": {
    "limit": 10
  },
  "reuploadLinkedFiles": true
}
'

import requests

url = "https://staging.crossmint.com/api/2022-06-09/collections/{collectionId}/templates"

payload = {
    "metadata": {
        "name": "My template",
        "image": "https://www.crossmint.com/assets/crossmint/logo.png",
        "description": "A new collection with its own dedicated smart contract",
        "symbol": "<string>"
    },
    "onChain": { "tokenId": "1" },
    "supply": { "limit": 10 },
    "reuploadLinkedFiles": True
}
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({
    metadata: {
      name: 'My template',
      image: 'https://www.crossmint.com/assets/crossmint/logo.png',
      description: 'A new collection with its own dedicated smart contract',
      symbol: '<string>'
    },
    onChain: {tokenId: '1'},
    supply: {limit: 10},
    reuploadLinkedFiles: true
  })
};

fetch('https://staging.crossmint.com/api/2022-06-09/collections/{collectionId}/templates', 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://staging.crossmint.com/api/2022-06-09/collections/{collectionId}/templates",
  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([
    'metadata' => [
        'name' => 'My template',
        'image' => 'https://www.crossmint.com/assets/crossmint/logo.png',
        'description' => 'A new collection with its own dedicated smart contract',
        'symbol' => '<string>'
    ],
    'onChain' => [
        'tokenId' => '1'
    ],
    'supply' => [
        'limit' => 10
    ],
    'reuploadLinkedFiles' => true
  ]),
  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://staging.crossmint.com/api/2022-06-09/collections/{collectionId}/templates"

	payload := strings.NewReader("{\n  \"metadata\": {\n    \"name\": \"My template\",\n    \"image\": \"https://www.crossmint.com/assets/crossmint/logo.png\",\n    \"description\": \"A new collection with its own dedicated smart contract\",\n    \"symbol\": \"<string>\"\n  },\n  \"onChain\": {\n    \"tokenId\": \"1\"\n  },\n  \"supply\": {\n    \"limit\": 10\n  },\n  \"reuploadLinkedFiles\": true\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://staging.crossmint.com/api/2022-06-09/collections/{collectionId}/templates")
  .header("X-API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"metadata\": {\n    \"name\": \"My template\",\n    \"image\": \"https://www.crossmint.com/assets/crossmint/logo.png\",\n    \"description\": \"A new collection with its own dedicated smart contract\",\n    \"symbol\": \"<string>\"\n  },\n  \"onChain\": {\n    \"tokenId\": \"1\"\n  },\n  \"supply\": {\n    \"limit\": 10\n  },\n  \"reuploadLinkedFiles\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://staging.crossmint.com/api/2022-06-09/collections/{collectionId}/templates")

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  \"metadata\": {\n    \"name\": \"My template\",\n    \"image\": \"https://www.crossmint.com/assets/crossmint/logo.png\",\n    \"description\": \"A new collection with its own dedicated smart contract\",\n    \"symbol\": \"<string>\"\n  },\n  \"onChain\": {\n    \"tokenId\": \"1\"\n  },\n  \"supply\": {\n    \"limit\": 10\n  },\n  \"reuploadLinkedFiles\": true\n}"

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

{
  "templateId": "20ed0963-0185-49af-b4a0-2de3169bb367",
  "metadata": {
    "name": "My Token",
    "image": "ipfs://QmaToZn4VEjF7q4CAudPaNka6AD484xuuEZSXmTLJPDLVE",
    "description": "Sample Token Template",
    "symbol": "A shorthand identifier for the token (Solana only)"
  },
  "onChain": {
    "tokenId": 1
  },
  "supply": {
    "limit": 1,
    "minted": 0
  }
}

{
  "error": true,
  "message": "Invalid arguments or empty parameter <missing parameter>."
}

{
  "error": true,
  "message": "Not found"
}

{
  "error": true,
  "message": "Already exists"
}

{
  "error": true,
  "message": "Couldn't fetch metadata from the URI defined on the template: <metadata url>. Ensure this URI is available and publicly accessible."
}

{
  "error": true,
  "message": "Please try again in a few minutes. If the issue still persists, contact Crossmint support."
}