curl
curl "https://api.signalmd.dev/v1/agents/6f1d2c3b-4a5e-4f60-8b7a-9c0d1e2f3a4b/comparisons" \
-H "Authorization: Bearer $SIGNAL_API_KEY"import requests
url = "https://api.signalmd.dev/v1/agents/{agentId}/comparisons"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.signalmd.dev/v1/agents/{agentId}/comparisons', 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.signalmd.dev/v1/agents/{agentId}/comparisons",
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://api.signalmd.dev/v1/agents/{agentId}/comparisons"
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://api.signalmd.dev/v1/agents/{agentId}/comparisons")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.signalmd.dev/v1/agents/{agentId}/comparisons")
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": "list",
"data": [
{
"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": "The difference is real.",
"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": "Not enough calls on each version yet.",
"isRandomized": true
},
"createdAt": "2026-10-02T14:03:07.120Z",
"updatedAt": "2026-10-02T14:03:07.120Z"
}
],
"hasMore": true,
"nextCursor": "<string>"
}{
"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"
}
}Comparisons
List version comparisons
Stored comparisons, newest version first: one per pair of consecutive versions SignalMD recorded.
GET
/
v1
/
agents
/
{agentId}
/
comparisons
curl
curl "https://api.signalmd.dev/v1/agents/6f1d2c3b-4a5e-4f60-8b7a-9c0d1e2f3a4b/comparisons" \
-H "Authorization: Bearer $SIGNAL_API_KEY"import requests
url = "https://api.signalmd.dev/v1/agents/{agentId}/comparisons"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.signalmd.dev/v1/agents/{agentId}/comparisons', 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.signalmd.dev/v1/agents/{agentId}/comparisons",
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://api.signalmd.dev/v1/agents/{agentId}/comparisons"
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://api.signalmd.dev/v1/agents/{agentId}/comparisons")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.signalmd.dev/v1/agents/{agentId}/comparisons")
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": "list",
"data": [
{
"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": "The difference is real.",
"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": "Not enough calls on each version yet.",
"isRandomized": true
},
"createdAt": "2026-10-02T14:03:07.120Z",
"updatedAt": "2026-10-02T14:03:07.120Z"
}
],
"hasMore": true,
"nextCursor": "<string>"
}{
"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"
}
}Authorizations
An API key (sig_...), or a session token from the web app.
Path Parameters
The agent's id.
Pattern:
^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$Example:
"3f1c2d4e-5a6b-4c7d-8e9f-0a1b2c3d4e5f"
Query Parameters
Items per page, 1 to 100.
Required range:
1 <= x <= 100Example:
25
nextCursor from the previous page.
Minimum string length:
1Response
A page of comparisons.
Available options:
list A stored comparison between two versions: the configuration change and what production did around it.
Show child attributes
Show child attributes
Pass as cursor for the next page; null on the last page.
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