#1
Postman

Postman

★★★★★ 4.5 Free / $14+ Free plan

API development platform for designing, testing, documenting, and monitoring APIs with collaborative workspaces.

api-testingcollectionsenvironmentsmock-servers
✓ Industry standard for API testing and development✓ Collaborative workspaces for team API development✓ Auto-generated documentation from collections
#2
Render

Render

★★★★ 4.4 Free / $7+ Free plan

Unified cloud platform for deploying web services, static sites, cron jobs, and databases with automatic Git deploys.

web-servicesstatic-sitesdatabasescron-jobs
✓ Free tier for static sites and web services✓ Automatic deploys from Git with zero config✓ Managed PostgreSQL and Redis included
#3
Swagger (SmartBear)

Swagger (SmartBear)

★★★★ 4.3 Free / $75+ Free plan

API development toolset including SwaggerHub for design, documentation, and collaboration on OpenAPI specifications, used by millions of developers worldwide.

api-designdocumentationcode-generationapi-testing
✓ Industry standard for API documentation (OpenAPI)✓ Interactive API documentation with try-it-out feature✓ Collaborative API design on SwaggerHub

Stay ahead of AI — Weekly tool picks, straight to your inbox.

Join thousands of professionals who get curated AI tool recommendations every week. No spam, unsubscribe anytime.