curl --request POST \
  --url https://api.scanoss.com/v3/license/evidence \
  --header 'Content-Type: application/json' \
  --data '
{
  "components": [
    {
      "purl": "pkg:github/scanoss/engine",
      "requirement": "v5.4.5"
    }
  ]
}
'

import requests

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

payload = { "components": [
        {
            "purl": "pkg:github/scanoss/engine",
            "requirement": "v5.4.5"
        }
    ] }
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'}]})
};

fetch('https://api.scanoss.com/v3/license/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/license/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'
        ]
    ]
  ]),
  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/license/evidence"

	payload := strings.NewReader("{\n  \"components\": [\n    {\n      \"purl\": \"pkg:github/scanoss/engine\",\n      \"requirement\": \"v5.4.5\"\n    }\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/license/evidence")
  .header("Content-Type", "application/json")
  .body("{\n  \"components\": [\n    {\n      \"purl\": \"pkg:github/scanoss/engine\",\n      \"requirement\": \"v5.4.5\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.scanoss.com/v3/license/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}"

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

{
  "components": [
    {
      "purl": "pkg:github/scanoss/engine",
      "version": "5.4.5",
      "requirement": "v5.4.5",
      "files": [
        {
          "file": "LICENSE",
          "file_id": "e6a600fd5e1d9cbde2d983680233ad02",
          "detections": [
            {
              "license_id": "GPL-2.0-only",
              "detector": "licenseclassifier",
              "confidence": 1,
              "source": "notice_declared",
              "evidence": {
                "start": 1,
                "end": 25,
                "evidence_url": "https://api.scanoss.com/v3/notice-contents/e6a600fd5e1d9cbde2d983680233ad02?start=1&end=25"
              }
            }
          ]
        },
        {
          "file": "src/main.c",
          "file_id": "874550fd5e1d9cbde2d9836802332357",
          "detections": [
            {
              "license_id": "GPL-2.0-only",
              "detector": "licenseclassifier",
              "confidence": 1,
              "source": "header_declared",
              "evidence": {
                "start": 1,
                "end": 2,
                "evidence_url": "https://api.scanoss.com/v3/file-contents/874550fd5e1d9cbde2d9836802332357?start=1&end=2"
              }
            }
          ]
        }
      ]
    }
  ],
  "status": {
    "status": "SUCCESS",
    "message": "Resolved 1 of 1 purls"
  }
}

{
  "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"
}