curl --request GET \
  --url https://api.sumvin.com/v0/ucp/merchants \
  --header 'x-sumvin-ucp-token: <api-key>'

import requests

url = "https://api.sumvin.com/v0/ucp/merchants"

headers = {"x-sumvin-ucp-token": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'x-sumvin-ucp-token': '<api-key>'}};

fetch('https://api.sumvin.com/v0/ucp/merchants', 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.sumvin.com/v0/ucp/merchants",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "x-sumvin-ucp-token: <api-key>"
  ],
]);

$response = curl_exec($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.sumvin.com/v0/ucp/merchants"

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

	req.Header.Add("x-sumvin-ucp-token", "<api-key>")

	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.sumvin.com/v0/ucp/merchants")
  .header("x-sumvin-ucp-token", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sumvin.com/v0/ucp/merchants")

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

request = Net::HTTP::Get.new(url)
request["x-sumvin-ucp-token"] = '<api-key>'

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

{
  "_links": {
    "self": {
      "href": "/v0/ucp/merchants?q=sneakers&country=US"
    }
  },
  "limit": 25,
  "offset": 0,
  "queried_at": 1706745600000,
  "query": {
    "country": [
      "US"
    ],
    "q": "sneakers"
  },
  "results": [
    {
      "_links": {
        "describedby": {
          "href": "https://shop.example.com/.well-known/ucp"
        },
        "self": {
          "href": "/v0/ucp/merchants/shop.example.com"
        }
      },
      "_score": 8.42,
      "domain": "shop.example.com",
      "merchant": {
        "brands": [
          "ExampleBrand"
        ],
        "categories": [
          "apparel",
          "footwear"
        ],
        "locale": {
          "country": "US",
          "language": "en"
        },
        "name": "Example Shop",
        "products": [
          "sneakers",
          "jackets"
        ],
        "provenance": {
          "confidence": 0.92
        }
      },
      "merchant_id": "k3jf7q2xmn4pz",
      "meta": {
        "first_hit_at": 1704067200000,
        "last_hit_at": 1706745600000
      },
      "ucp": {
        "a2a": {
          "enabled": true
        },
        "capabilities": [
          "dev.ucp.shopping.checkout"
        ],
        "oauth": {
          "enabled": false
        },
        "payment_handlers": [
          "com.google.pay"
        ],
        "services": [
          {
            "endpoint": "https://example-shop.myshopify.com/api/ucp/mcp",
            "namespace": "dev.ucp.shopping",
            "transport": "mcp"
          }
        ],
        "transports": [
          "mcp",
          "embedded"
        ],
        "version": "2026-04-08"
      }
    }
  ],
  "total": 1
}

{
  "detail": "No wallet found with ID 12345 for this user.",
  "error_code": "WAL-404-001",
  "instance": "/v0/wallets/12345",
  "status": 404,
  "title": "Wallet Not Found",
  "trace_id": "abc123-def456-ghi789",
  "type": "https://api.sumvin.com/errors/wal-404-001"
}

{
  "detail": "No wallet found with ID 12345 for this user.",
  "error_code": "WAL-404-001",
  "instance": "/v0/wallets/12345",
  "status": 404,
  "title": "Wallet Not Found",
  "trace_id": "abc123-def456-ghi789",
  "type": "https://api.sumvin.com/errors/wal-404-001"
}

{
  "detail": "No wallet found with ID 12345 for this user.",
  "error_code": "WAL-404-001",
  "instance": "/v0/wallets/12345",
  "status": 404,
  "title": "Wallet Not Found",
  "trace_id": "abc123-def456-ghi789",
  "type": "https://api.sumvin.com/errors/wal-404-001"
}

{
  "detail": "No wallet found with ID 12345 for this user.",
  "error_code": "WAL-404-001",
  "instance": "/v0/wallets/12345",
  "status": 404,
  "title": "Wallet Not Found",
  "trace_id": "abc123-def456-ghi789",
  "type": "https://api.sumvin.com/errors/wal-404-001"
}

{
  "detail": "No wallet found with ID 12345 for this user.",
  "error_code": "WAL-404-001",
  "instance": "/v0/wallets/12345",
  "status": 404,
  "title": "Wallet Not Found",
  "trace_id": "abc123-def456-ghi789",
  "type": "https://api.sumvin.com/errors/wal-404-001"
}