Har Viewer API

POST https://api.findutils.com/api/tools/har-viewer/execute

Parse HAR 1.x JSON and return each entry’s method, URL, status, size, time, and MIME type. Request bodies, cookies, and headers are omitted. Convert a HAR to curl with har_to_curl.

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Request body

application/json

har

string required

HAR 1.x JSON text (DevTools export with log.entries).

Example arguments

Verified

{
  "har": {
    "log": {
      "version": "1.2",
      "entries": [
        {
          "time": 12,
          "request": {
            "method": "GET",
            "url": "https://example.com/"
          },
          "response": {
            "status": 200,
            "statusText": "OK",
            "content": {
              "size": 10,
              "mimeType": "text/plain"
            }
          }
        }
      ]
    }
  }
}

curl -X POST https://api.findutils.com/api/tools/har-viewer/execute \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "har": "{\"log\":{\"version\":\"1.2\",\"entries\":[{\"time\":12,\"request\":{\"method\":\"GET\",\"url\":\"https://example.com/\"},\"response\":{\"status\":200,\"statusText\":\"OK\",\"content\":{\"size\":10,\"mimeType\":\"text/plain\"}}}]}}"
  }'

const response = await fetch('https://api.findutils.com/api/tools/har-viewer/execute', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json', Authorization: 'Bearer YOUR_API_KEY' },
  body: JSON.stringify({"har":"{\"log\":{\"version\":\"1.2\",\"entries\":[{\"time\":12,\"request\":{\"method\":\"GET\",\"url\":\"https://example.com/\"},\"response\":{\"status\":200,\"statusText\":\"OK\",\"content\":{\"size\":10,\"mimeType\":\"text/plain\"}}}]}}"}),
});
const data = await response.json();

import requests

response = requests.post(
    "https://api.findutils.com/api/tools/har-viewer/execute",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={"har":"{\"log\":{\"version\":\"1.2\",\"entries\":[{\"time\":12,\"request\":{\"method\":\"GET\",\"url\":\"https://example.com/\"},\"response\":{\"status\":200,\"statusText\":\"OK\",\"content\":{\"size\":10,\"mimeType\":\"text/plain\"}}}]}}"},
)
data = response.json()

$ch = curl_init('https://api.findutils.com/api/tools/har-viewer/execute');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_HTTPHEADER => ['Content-Type: application/json', 'Authorization: Bearer YOUR_API_KEY'],
    CURLOPT_POSTFIELDS => '{"har":"{\"log\":{\"version\":\"1.2\",\"entries\":[{\"time\":12,\"request\":{\"method\":\"GET\",\"url\":\"https://example.com/\"},\"response\":{\"status\":200,\"statusText\":\"OK\",\"content\":{\"size\":10,\"mimeType\":\"text/plain\"}}}]}}"}',
    CURLOPT_RETURNTRANSFER => true,
]);
$data = json_decode(curl_exec($ch), true);

Also an MCP tool

Call har_viewer from Claude, Cursor or any MCP client. Same arguments, same output.

https://mcp.findutils.com

MCP reference

Rate limit: 60 a minute, per IP
Auth: API key
REST id: har-viewer
MCP name: har_viewer
Category: Network
Machine-readable: openapi.json · markdown.md

Request body

Example arguments

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