Authentication

const response = await fetch(`https://api.swervpay.co/api/v1/auth`, {
    method: "POST",
    headers: {
        "Content-Type": "application/json",
        Authorization:  `Basic ${Buffer.from(`<BUSINESS_ID>:<SECRET_KEY>`).toString("base64")}`
    },
    body: JSON.stringify({}),
});

if (response.status !== 200 && response.status !== 201) {
    const body = await response.json();

    throw new Error(body as any);
}

const token = await response.json();

<?php

$businessId = '<BUSINESS_ID>';
$secretKey = '<SECRET_KEY>';
$auth = base64_encode("{$businessId}:{$secretKey}");

$options = [
    'http' => [
        'header'  => "Content-type: application/json\r\nAuthorization: Basic {$auth}",
        'method'  => 'POST',
        'content' => json_encode([]),
    ],
];

$context  = stream_context_create($options);
$response = file_get_contents('https://api.swervpay.co/api/v1/auth', false, $context);

if ($response === FALSE) {
    throw new Exception('Error occurred while making request');
}

$httpCode = http_response_code();
if ($httpCode !== 200 && $httpCode !== 201) {
    throw new Exception($response);
}

$token = json_decode($response, true);

?>

package main

import (
    "bytes"
    "encoding/base64"
    "encoding/json"
    "errors"
    "io/ioutil"
    "net/http"
)

func main() {
    businessID := "<BUSINESS_ID>"
    secretKey := "<SECRET_KEY>"
    auth := base64.StdEncoding.EncodeToString([]byte(businessID + ":" + secretKey))

    client := &http.Client{}
    req, _ := http.NewRequest("POST", "https://api.swervpay.co/api/v1/auth", bytes.NewBuffer([]byte("{}")))
    req.Header.Set("Content-Type", "application/json")
    req.Header.Set("Authorization", "Basic "+auth)

    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    if resp.StatusCode != 200 && resp.StatusCode != 201 {
        bodyBytes, _ := ioutil.ReadAll(resp.Body)
        panic(errors.New(string(bodyBytes)))
    }

    var token map[string]interface{}
    json.NewDecoder(resp.Body).Decode(&token)
}