API management with gateway, docs and developer portal
βAPIForge gave our public API a gateway, docs portal and analytics in an afternoon. Partner onboarding is self-serve now. β Aaron Mitchell, Staff Engineer
API testing and client to build, test and document APIs
βPostByte is the API client our whole team shares. Automated tests in CI catch broken endpoints before they ship. β Sara Lindqvist, Backend Lead
API Client
Request Collections
Automated Tests
Mock Servers
Environment Variables
Team Workspaces
Cloud (SaaS)Desktop App
92% recommend $0Per User, Per Month
Top 2 API tools in 2026
APIForge API Management β API management with gateway, docs and developer portal Best for teams of every size Β· $0 per month
PostByte API Testing β API testing and client to build, test and document APIs Best for teams of every size Β· $0 per user, per month
API Tools: frequently asked questions
What is the best API tools in 2026?
APIForge API Management leads this list: API management with gateway, docs and developer portal. The right choice depends on team size, budget and integrations β PostByte API Testing are strong alternatives worth shortlisting.
How much does API tools cost?
Starting prices on this list range from $0 to $0, depending on users, modules and deployment.
Is there free API tools?
Yes β APIForge API Management, PostByte API Testing have a free plan.
How do I choose API tools?
Start with the workflows you need to cover, then compare integrations with your existing tools, deployment options (cloud, on-premise, mobile), security and compliance, and total cost for your team size. Shortlist two or three products from this page and book demos with your real data.
How to choose the best development software
IDEs, DevOps, APIs, low-code platforms and developer tools Use the criteria below to shortlist development software that fits your team, budget and growth plans, then compare the top-rated options above side by side.
Must-have features
List the workflows you run every week and check each product covers them out of the box, not via add-ons.
Total cost of ownership
Compare per-user pricing, setup fees, annual discounts and whether a free plan or trial lets you validate before paying.
Integrations
Confirm native connectors for the tools you already use β accounting, email, CRM, payment gateways and BI.
Security & compliance
Look for role-based access, audit logs, encryption at rest and data-residency options that match your regulations.
Reporting
Real-time dashboards and exportable reports save hours each month; check what comes standard.
Support & onboarding
Migration help, training and a named account manager matter as much as the feature list on day one.