curl --request POST \
  --url https://app.supercycle.com/api/v1/custom_field_uploads \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "definition_id": 123,
  "blob": {
    "filename": "condition-front.jpg",
    "byte_size": 123,
    "checksum": "<string>",
    "content_type": "image/jpeg"
  }
}
'

import requests

url = "https://app.supercycle.com/api/v1/custom_field_uploads"

payload = {
    "definition_id": 123,
    "blob": {
        "filename": "condition-front.jpg",
        "byte_size": 123,
        "checksum": "<string>",
        "content_type": "image/jpeg"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    definition_id: 123,
    blob: {
      filename: 'condition-front.jpg',
      byte_size: 123,
      checksum: '<string>',
      content_type: 'image/jpeg'
    }
  })
};

fetch('https://app.supercycle.com/api/v1/custom_field_uploads', 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://app.supercycle.com/api/v1/custom_field_uploads",
  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([
    'definition_id' => 123,
    'blob' => [
        'filename' => 'condition-front.jpg',
        'byte_size' => 123,
        'checksum' => '<string>',
        'content_type' => 'image/jpeg'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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://app.supercycle.com/api/v1/custom_field_uploads"

	payload := strings.NewReader("{\n  \"definition_id\": 123,\n  \"blob\": {\n    \"filename\": \"condition-front.jpg\",\n    \"byte_size\": 123,\n    \"checksum\": \"<string>\",\n    \"content_type\": \"image/jpeg\"\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://app.supercycle.com/api/v1/custom_field_uploads")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"definition_id\": 123,\n  \"blob\": {\n    \"filename\": \"condition-front.jpg\",\n    \"byte_size\": 123,\n    \"checksum\": \"<string>\",\n    \"content_type\": \"image/jpeg\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.supercycle.com/api/v1/custom_field_uploads")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"definition_id\": 123,\n  \"blob\": {\n    \"filename\": \"condition-front.jpg\",\n    \"byte_size\": 123,\n    \"checksum\": \"<string>\",\n    \"content_type\": \"image/jpeg\"\n  }\n}"

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

{
  "signedId": "<string>",
  "filename": "<string>",
  "contentType": "<string>",
  "byteSize": 123,
  "checksum": "<string>",
  "directUpload": {
    "url": "<string>",
    "headers": {}
  }
}

{
  "errors": [
    "Custom field uploads are not enabled for this shop"
  ]
}

{
  "errors": [
    "Invalid request body"
  ]
}

{
  "error": "Rate limit exceeded. Retry after 42 seconds."
}