Best APIs for SaaS apps
Do not reinvent the wheel. The top APIs for payments, communication, and AI that every SaaS should use.
The API-First Economy
We list the essential APIs for Stripe, Twilio, SendGrid, and OpenAI that power the most modern SaaS platforms. Use these APIs to ship faster.
Payments: Stripe
The standard for SaaS billing. Subscriptions, one-time payments, and usage-based pricing. Extensive documentation and SDKs.
Communication: Twilio
SMS, voice, and video APIs. Verify phone numbers. Send transactional messages. Build customer communication features.
Email: SendGrid/Resend
Transactional email delivery. Templates and analytics. High deliverability rates. Essential for onboarding and notifications.
AI: OpenAI
GPT models for text generation. Embeddings for semantic search. Fine-tuning for custom use cases. The standard for AI features.
Search: Algolia
Fast, relevant search results. Typo tolerance and faceting. Great for product catalogs and documentation.
Maps: Mapbox
Custom maps and location features. Geocoding and directions. Ideal for logistics and field service apps.
Sapterc Editorial Team
Expert insights on SaaS architecture and engineering.