curl "https://first-signal-api.fly.dev/v1/agents/6f1d2c3b-4a5e-4f60-8b7a-9c0d1e2f3a4b/versions/compare?from=7&to=8" \
  -H "Authorization: Bearer $SIGNAL_API_KEY"

import requests

url = "https://first-signal-api.fly.dev/v1/agents/{agentId}/versions/compare"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://first-signal-api.fly.dev/v1/agents/{agentId}/versions/compare', 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://first-signal-api.fly.dev/v1/agents/{agentId}/versions/compare",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://first-signal-api.fly.dev/v1/agents/{agentId}/versions/compare"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://first-signal-api.fly.dev/v1/agents/{agentId}/versions/compare")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://first-signal-api.fly.dev/v1/agents/{agentId}/versions/compare")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "object": "version_diff",
  "from": {
    "version": 123,
    "configCaptured": true,
    "configHash": "sha256:9f2c..."
  },
  "to": {
    "version": 123,
    "configCaptured": true,
    "configHash": "sha256:9f2c..."
  },
  "changes": [
    {
      "kind": "node_added",
      "location": {
        "kind": "node",
        "id": "<string>",
        "label": "<string>"
      },
      "detail": "<string>",
      "before": "<string>",
      "after": "<string>"
    }
  ],
  "result": {
    "conclusion": "insufficient_evidence",
    "conclusionLabel": "Not enough calls",
    "callsBefore": 123,
    "callsAfter": 123,
    "metrics": [
      {
        "metric": "got_it_done",
        "label": "Got it done",
        "unit": "share",
        "before": {
          "value": 123,
          "n": 123
        },
        "after": {
          "value": 123,
          "n": 123
        },
        "delta": 123,
        "better": "higher",
        "verdict": "changed",
        "direction": "better",
        "minimum": "2 points",
        "notRead": 123
      }
    ],
    "issueMoves": [
      {
        "issueId": "<string>",
        "title": "<string>",
        "place": "<string>",
        "before": {
          "value": 123,
          "n": 123
        },
        "after": {
          "value": 123,
          "n": 123
        },
        "callsBefore": 123,
        "callsAfter": 123,
        "delta": 123,
        "verdict": "changed",
        "direction": "better",
        "atChangedPlace": true
      }
    ],
    "narrative": "<string>",
    "rule": "<string>",
    "isRandomized": true
  },
  "comparison": {
    "object": "comparison",
    "id": "3f1c2d4e-5a6b-4c7d-8e9f-0a1b2c3d4e5f",
    "fromVersion": 123,
    "toVersion": 123,
    "configCaptured": {
      "from": true,
      "to": true
    },
    "changes": [
      {
        "kind": "node_added",
        "location": {
          "kind": "node",
          "id": "<string>",
          "label": "<string>"
        },
        "detail": "<string>",
        "before": "<string>",
        "after": "<string>"
      }
    ],
    "result": {
      "conclusion": "insufficient_evidence",
      "conclusionLabel": "Not enough calls",
      "callsBefore": 123,
      "callsAfter": 123,
      "metrics": [
        {
          "metric": "got_it_done",
          "label": "Got it done",
          "unit": "share",
          "before": {
            "value": 123,
            "n": 123
          },
          "after": {
            "value": 123,
            "n": 123
          },
          "delta": 123,
          "better": "higher",
          "verdict": "changed",
          "direction": "better",
          "minimum": "2 points",
          "notRead": 123
        }
      ],
      "issueMoves": [
        {
          "issueId": "<string>",
          "title": "<string>",
          "place": "<string>",
          "before": {
            "value": 123,
            "n": 123
          },
          "after": {
            "value": 123,
            "n": 123
          },
          "callsBefore": 123,
          "callsAfter": 123,
          "delta": 123,
          "verdict": "changed",
          "direction": "better",
          "atChangedPlace": true
        }
      ],
      "narrative": "<string>",
      "rule": "<string>",
      "isRandomized": true
    },
    "createdAt": "2026-10-02T14:03:07.120Z",
    "updatedAt": "2026-10-02T14:03:07.120Z"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "agent_not_found",
    "message": "Agent not found.",
    "param": null,
    "requestId": "req_8c1f0e2b4a6d9e3f7a5c1b0d"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "agent_not_found",
    "message": "Agent not found.",
    "param": null,
    "requestId": "req_8c1f0e2b4a6d9e3f7a5c1b0d"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "agent_not_found",
    "message": "Agent not found.",
    "param": null,
    "requestId": "req_8c1f0e2b4a6d9e3f7a5c1b0d"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "agent_not_found",
    "message": "Agent not found.",
    "param": null,
    "requestId": "req_8c1f0e2b4a6d9e3f7a5c1b0d"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "agent_not_found",
    "message": "Agent not found.",
    "param": null,
    "requestId": "req_8c1f0e2b4a6d9e3f7a5c1b0d"
  }
}

{
  "error": {
    "type": "not_found_error",
    "code": "agent_not_found",
    "message": "Agent not found.",
    "param": null,
    "requestId": "req_8c1f0e2b4a6d9e3f7a5c1b0d"
  }
}