README

A simple PHP SDK for the ToSend email API.

Requirements

PHP 7.4 or higher
cURL extension

Installation

With Composer

composer require tosend/tosend-php

Without Composer

This SDK is a single file with no external dependencies. You can use it without Composer:

Download src/Api.php from this repository
Place it anywhere in your project
Include it in your code:

require_once 'path/to/Api.php';

$tosend = new ToSend\Api('tsend_your_api_key');

That's it! The SDK only requires PHP 7.4+ with the curl and json extensions, which are included in most PHP installations.

Quick Start

use ToSend\Api;

$tosend = new Api('tsend_your_api_key');

$response = $tosend->send([
    'from' => [
        'email' => 'hello@yourdomain.com',
        'name' => 'Your App'
    ],
    'to' => [
        ['email' => 'user@example.com']
    ],
    'subject' => 'Hello from ToSend!',
    'html' => '<h1>Welcome!</h1><p>Thanks for signing up.</p>'
]);

echo $response['message_id'];

Usage

Send an Email

$response = $tosend->send([
    'from' => [
        'email' => 'hello@yourdomain.com',
        'name' => 'Your App'  // optional
    ],
    'to' => [
        ['email' => 'user@example.com'],
        ['email' => 'another@example.com', 'name' => 'John Doe']
    ],
    'subject' => 'Welcome!',
    'html' => '<h1>Hello</h1>',
    'text' => 'Hello'  // optional, auto-generated from HTML if not provided
]);

With CC, BCC, and Reply-To

$response = $tosend->send([
    'from' => ['email' => 'hello@yourdomain.com'],
    'to' => [['email' => 'user@example.com']],
    'cc' => [['email' => 'cc@example.com']],
    'bcc' => [['email' => 'bcc@example.com']],
    'reply_to' => ['email' => 'support@yourdomain.com', 'name' => 'Support'],
    'subject' => 'Hello',
    'html' => '<p>Hello World</p>'
]);

With Attachments

$response = $tosend->send([
    'from' => ['email' => 'hello@yourdomain.com'],
    'to' => [['email' => 'user@example.com']],
    'subject' => 'Your Invoice',
    'html' => '<p>Please find your invoice attached.</p>',
    'attachments' => [
        [
            'type' => 'application/pdf',
            'name' => 'invoice.pdf',
            'content' => base64_encode(file_get_contents('invoice.pdf'))
        ]
    ]
]);

Batch Sending

Send multiple emails in a single request:

$response = $tosend->batch([
    [
        'from' => ['email' => 'hello@yourdomain.com'],
        'to' => [['email' => 'user1@example.com']],
        'subject' => 'Hello User 1',
        'html' => '<p>Hello!</p>'
    ],
    [
        'from' => ['email' => 'hello@yourdomain.com'],
        'to' => [['email' => 'user2@example.com']],
        'subject' => 'Hello User 2',
        'html' => '<p>Hello!</p>'
    ]
]);

foreach ($response['results'] as $result) {
    if ($result['status'] === 'success') {
        echo "Sent: " . $result['message_id'] . "\n";
    } else {
        echo "Failed: " . $result['message'] . "\n";
    }
}

Get Account Info

$info = $tosend->getAccountInfo();

echo "Account: " . $info['account']['title'] . "\n";
echo "Emails this month: " . $info['account']['emails_usage_this_month'] . "\n";

foreach ($info['domains'] as $domain) {
    echo $domain['domain_name'] . ": " . $domain['verification_status'] . "\n";
}

Error Handling

use ToSend\Api;
use ToSend\ToSendException;

try {
    $response = $tosend->send([
        'from' => ['email' => 'hello@yourdomain.com'],
        'to' => [['email' => 'user@example.com']],
        'subject' => 'Hello',
        'html' => '<p>Hello</p>'
    ]);
} catch (ToSendException $e) {
    echo "Error: " . $e->getMessage() . "\n";
    echo "Code: " . $e->getCode() . "\n";

    // Get detailed validation errors
    foreach ($e->getErrors() as $field => $errors) {
        foreach ($errors as $key => $message) {
            echo "$field: $message\n";
        }
    }
}

API Reference

`new Api(string $apiKey)`

Create a new Api instance with your API key.

`send(array $params): array`

Send a single email. Returns ['message_id' => '...'] on success.

`batch(array $emails): array`

Send multiple emails. Returns ['results' => [...]] with status for each email.

`getAccountInfo(): array`

Get account and domain information.

`setBaseUrl(string $url): self`

Set a custom API base URL (useful for testing).

License

MIT

tosend / tosend-php

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