Best API Documentation Tools · head-to-head
Stoplight vs GitBook
A sourced, side-by-side comparison for api documentation tools. Stoplight has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
At a glance
- Price: Stoplight $0/mo vs GitBook $0/mo — Stoplight is cheaper to start.
- Free tier: Stoplight Yes; GitBook Yes.
- HIPAA: Stoplight —; GitBook —.
Side by side
| Stoplight | GitBook | |
|---|---|---|
| Entry price | $0/mo (Free) | $0/mo (Free) |
| Free tier | Yes | Yes |
| HIPAA (BAA) | — | — |
| SOC 2 | — | Yes |
| GDPR | — | Yes |
| Best for | API-design | knowledge-base |
Sources — Stoplight: stoplight.io (verified 2026-06-15). GitBook: gitbook.com (verified 2026-06-15).
Key features
Stoplight: Visual OpenAPI/JSON Schema designer; Instant mock servers; Style guide enforcement across teams; Collaborative API design with branching
GitBook: Per-site pricing model (not per-seat only); GitBook Agent for AI-powered content; Adaptive content (personalized docs); SOC2 Type II and ISO 27001 certified