Best Automation & Integration APIs in 2026

Access Microsoft 365 data: mail, calendar, files, teams, and users.

Issue tracking and project management with GraphQL API.

Manage issues, projects, boards, and workflows in Jira.

Manage tasks, projects, and teams in Asana.

File storage, sharing, and collaboration.

Manage files and folders in Google Drive.

Open-source workflow automation with 400+ integrations.

Connect and automate workflows across 6,000+ apps.

Visual workflow automation connecting hundreds of services.

Read, write, and format Google Sheets data programmatically.

Create, read, and manage calendar events and schedules.

Manage scheduling links, events, and availability.