curl --request POST \
  --url https://api.scanoss.com/v3/copyright/evidence \
  --header 'Content-Type: application/json' \
  --data '
{
  "components": [
    {
      "purl": "pkg:github/scanoss/engine",
      "requirement": "v5.4.5"
    }
  ],
  "search": {
    "max_results_per_purl": 1,
    "show_related_results": false,
    "show_url": false,
    "on_version_not_found": "strict",
    "encoded": "none"
  }
}
'

import requests

url = "https://api.scanoss.com/v3/copyright/evidence"

payload = {
    "components": [
        {
            "purl": "pkg:github/scanoss/engine",
            "requirement": "v5.4.5"
        }
    ],
    "search": {
        "max_results_per_purl": 1,
        "show_related_results": False,
        "show_url": False,
        "on_version_not_found": "strict",
        "encoded": "none"
    }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    components: [{purl: 'pkg:github/scanoss/engine', requirement: 'v5.4.5'}],
    search: {
      max_results_per_purl: 1,
      show_related_results: false,
      show_url: false,
      on_version_not_found: 'strict',
      encoded: 'none'
    }
  })
};

fetch('https://api.scanoss.com/v3/copyright/evidence', 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.scanoss.com/v3/copyright/evidence",
  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([
    'components' => [
        [
                'purl' => 'pkg:github/scanoss/engine',
                'requirement' => 'v5.4.5'
        ]
    ],
    'search' => [
        'max_results_per_purl' => 1,
        'show_related_results' => false,
        'show_url' => false,
        'on_version_not_found' => 'strict',
        'encoded' => 'none'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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://api.scanoss.com/v3/copyright/evidence"

	payload := strings.NewReader("{\n  \"components\": [\n    {\n      \"purl\": \"pkg:github/scanoss/engine\",\n      \"requirement\": \"v5.4.5\"\n    }\n  ],\n  \"search\": {\n    \"max_results_per_purl\": 1,\n    \"show_related_results\": false,\n    \"show_url\": false,\n    \"on_version_not_found\": \"strict\",\n    \"encoded\": \"none\"\n  }\n}")

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

	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.scanoss.com/v3/copyright/evidence")
  .header("Content-Type", "application/json")
  .body("{\n  \"components\": [\n    {\n      \"purl\": \"pkg:github/scanoss/engine\",\n      \"requirement\": \"v5.4.5\"\n    }\n  ],\n  \"search\": {\n    \"max_results_per_purl\": 1,\n    \"show_related_results\": false,\n    \"show_url\": false,\n    \"on_version_not_found\": \"strict\",\n    \"encoded\": \"none\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.scanoss.com/v3/copyright/evidence")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"components\": [\n    {\n      \"purl\": \"pkg:github/scanoss/engine\",\n      \"requirement\": \"v5.4.5\"\n    }\n  ],\n  \"search\": {\n    \"max_results_per_purl\": 1,\n    \"show_related_results\": false,\n    \"show_url\": false,\n    \"on_version_not_found\": \"strict\",\n    \"encoded\": \"none\"\n  }\n}"

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

{
  "components": [
    {
      "purl": "<string>",
      "version": "<string>",
      "requirement": "<string>",
      "files": [
        {
          "file": "main.go",
          "file_id": "874550fd5e1d9cbde2d9836802332357",
          "detections": [
            {
              "copyright": "Copyright (C) 2024 Example Corp. All rights reserved.",
              "detector": "licenseclassifier",
              "evidence": {
                "start": 1,
                "end": 1,
                "evidence_url": "<string>"
              },
              "source": "header_declared",
              "holder": "Example Corp."
            }
          ]
        }
      ],
      "url": "<string>",
      "info_code": "REQUIREMENT_NOT_MET",
      "info_message": "<string>"
    }
  ],
  "status": {
    "status": "SUCCESS",
    "message": "<string>"
  }
}

{
  "status": "error",
  "error": {
    "code": "INVALID_QUERY",
    "message": "purl query parameter is required"
  },
  "timestamp": "2026-05-19T11:39:56Z"
}

{
  "status": "error",
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "..."
  },
  "timestamp": "2026-05-19T11:39:56Z"
}

{
  "status": "error",
  "error": {
    "code": "TIMEOUT",
    "message": "request timed out"
  },
  "timestamp": "2026-05-19T11:39:56Z"
}