Find alternatives to a product

curl --request POST \
  --url https://api.tybritelabs.com/v1/agent/alternatives \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "product_id": "289533e8-f5b6-4d4f-bb23-2127875feb70",
  "mode": "in_stock",
  "limit": 2
}
'

import requests

url = "https://api.tybritelabs.com/v1/agent/alternatives"

payload = {
    "product_id": "289533e8-f5b6-4d4f-bb23-2127875feb70",
    "mode": "in_stock",
    "limit": 2
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({product_id: '289533e8-f5b6-4d4f-bb23-2127875feb70', mode: 'in_stock', limit: 2})
};

fetch('https://api.tybritelabs.com/v1/agent/alternatives', 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.tybritelabs.com/v1/agent/alternatives",
  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([
    'product_id' => '289533e8-f5b6-4d4f-bb23-2127875feb70',
    'mode' => 'in_stock',
    'limit' => 2
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.tybritelabs.com/v1/agent/alternatives"

	payload := strings.NewReader("{\n  \"product_id\": \"289533e8-f5b6-4d4f-bb23-2127875feb70\",\n  \"mode\": \"in_stock\",\n  \"limit\": 2\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	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.tybritelabs.com/v1/agent/alternatives")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"product_id\": \"289533e8-f5b6-4d4f-bb23-2127875feb70\",\n  \"mode\": \"in_stock\",\n  \"limit\": 2\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.tybritelabs.com/v1/agent/alternatives")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"product_id\": \"289533e8-f5b6-4d4f-bb23-2127875feb70\",\n  \"mode\": \"in_stock\",\n  \"limit\": 2\n}"

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

{
  "data": {
    "base": {
      "product_id": "289533e8-f5b6-4d4f-bb23-2127875feb70",
      "name": "Galactic Zip Hoodie",
      "price": 48
    },
    "mode": "in_stock",
    "basis": "same_category",
    "alternatives": []
  },
  "evidence": [
    {
      "source": "pricing",
      "operation": "GET /v1/prices/products/{id}",
      "id": "289533e8-f5b6-4d4f-bb23-2127875feb70",
      "field": "resolved_price"
    },
    {
      "source": "products",
      "operation": "GET /v1/products",
      "field": "selling_price"
    }
  ],
  "computed_at": "2026-09-28T21:53:35.751Z",
  "currency": "EUR",
  "environment": "sandbox"
}

{
  "error": {
    "code": "invalid_request",
    "message": "mode must be one of cheaper, similar, in_stock, same_spec"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Missing or invalid Authorization header"
  }
}

{
  "error": {
    "code": "not_found",
    "message": "Product not found: 00000000-0000-4000-8000-000000000000"
  }
}

{
  "error": {
    "code": "rate_limited",
    "message": "Too many requests for this API key. Please slow down and try again shortly.",
    "remaining": 0,
    "reset": 1706198400
  }
}

{
  "error": {
    "code": "server_error",
    "message": "An unexpected error occurred"
  }
}