Building a SaaS product requires integrating various APIs to handle critical tasks such as payments, authentication, communication, and more. Here are 10 must-use APIsfor yournext SaaS development:

1. Stripe (Payments)

Stripe is the go-to API for processing payments in SaaS platforms. It allows you to handle one-time payments, subscriptions, invoicing, and international currencies.
you can find stripe here

2. SendGrid (Email Delivery)

sendGrid is used For transactional and marketing emails, SendGrid offers a robust email API. It ensures emails from your SaaS platform are delivered reliably to users.
you can find it here

3. Auth0 (Authentication & Authorization)

Auth0 simplifies authentication, allowing SaaS platforms to implement secure login flows with ease, supporting SSO, multifactor authentication, and social logins.
you can find it here

4. Twilio (Communication)

Twilio is widely used for SMS, voice, and video communication. It’s perfect for building features like two-factor authentication, customer support chat, or SMS notifications.
you can find it here

5. AWS S3 (File Storage)

If your SaaS platform involves file uploads or media storage, AWS S3 provides scalable cloud storage at low cost.
you can find it here

6. Firebase (Real-time Database & Hosting)

Firebase offers real-time databases, authentication, and serverless hosting. It’s ideal for SaaS products that need real-time data sync and cloud functions.
you can find it here

7. Zapier (Automation)

Zapier allows SaaS apps to connect with over 2,000 other services for automating workflows. Users can integrate your SaaS app with other tools like Google Sheets, Slack, or CRM systems.
you can find it here

8. Pusher (Real-time Notifications)

For real-time notifications, Pusher’s APIs allow you to implement in-app notifications, chat features, and collaboration tools easily.
you can find it here

9.Plaid (Banking & Financial Data)

Plaid allows you to connect user bank accounts to your SaaS platform, enabling services like payment processing, lending, or personal finance management.

you can find it here

10. New Relic (Monitoring & Analytics)

New Relic helps monitor your SaaS product’s performance, ensuring that you can identify issues before they impact users.