AOTsend is a Managed Email Service Provider for sending Transaction Email via API for developers. 99% Delivery, 98% Inbox rate. $0.28 per 1000 emails. Start for free. Pay as you go. Check Top 10 Advantages of Managed Email API

Best 12 Gmail API Send Email PHP Methods with OAuth2 Integration

What is Gmail API Send Email PHP Integration?

The Gmail API send email PHP integration is an advanced approach to sending Gmail messages directly from PHP scripts using Google's modern APIs. Oh yes, it replaces old-fashioned SMTP with robust, secure OAuth2 authorization. Platforms like Aotsend simplify the process by offering PHP SDKs tailored for Gmail API send email PHP workflows.

Why Use Gmail API Send Email PHP Instead of SMTP?

Unlike SMTP, the Gmail API send email PHP approach leverages OAuth2 for better security, no password storage, and improved API limits. With Aotsend, PHP developers enjoy a clean, modular API to authenticate and send emails without complex configurations, making it ideal for scalable apps in 2025.

How to Authenticate Gmail API Send Email PHP with OAuth2?

To implement Gmail API send email PHP with OAuth2, follow these core steps:

• Enable Gmail API in Google Developers Console.
• Set OAuth2 credentials (Client ID & Secret).
• Use google/apiclient PHP library to authenticate.
• Compose MIME message and send via Gmail API.

Of course, Aotsend PHP SDK automates token management and email composition, reducing development time.

Best 12 Gmail API Send Email PHP Methods with OAuth2 Integration

1. Using google/apiclient for Gmail API send email PHP
2. Integrate Aotsend PHP SDK for Gmail API send email PHP
3. How to Compose HTML Emails (PHP Gmail API)
4. Sending Attachments with Gmail API send email PHP
5. Refreshing OAuth2 Tokens Automatically (PHP)
6. Gmail API send email PHP for Transactional Emails
7. Schedule Emails in PHP Using Gmail API
8. Track Sent Emails in Gmail API PHP
9. Send Emails from Laravel App with Gmail API PHP
10. Gmail API send email PHP Error Handling Guide
11. Optimize API Quotas for Gmail API PHP
12. Deploying PHP Gmail Email Service with Aotsend

What Issues May Occur in Gmail API Send Email PHP?

Common problems with Gmail API send email PHP include incorrect OAuth2 scopes, invalid MIME message encoding, and token expiry. Lucky for us, Aotsend offers ready-to-use PHP handlers to solve these effortlessly. Amazing, right?

AOTsend adopts the decoupled architecture on email service design. Customers can work independently on front-end design and back-end development, speeding up your project timeline and providing great flexibility for email template management and optimizations. Check Top 10 Advantages of Managed Email API. 99% Delivery, 98% Inbox rate. $0.28 per 1000 emails. Start for free. Pay as you go.

【AOTsend Email API】：
AOTsend is a Transactional Email Service API Provider specializing in Managed Email Service. 99% Delivery, 98% Inbox Rate. $0.28 per 1000 Emails.
AOT means Always On Time for email delivery.

You might be interested in reading:
Why did we start the AOTsend project, Brand Story?
What is a Managed Email API, Any Special?
Best 25+ Email Marketing Platforms (Authority,Keywords&Traffic Comparison)
Best 24+ Email Marketing Service (Price, Pros&Cons Comparison)
Email APIs vs SMTP: How they Works, Any Difference?