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.

Stoplight has the lower entry price — Stoplight starts at $0/mo, GitBook at $0/mo. Free tier: Stoplight Yes, GitBook Yes. HIPAA: Stoplight —, GitBook —.

As of 2026-06-15 · figures link to their source below

Side by side

Stoplight

$0/mo entry
Entry price$0/mo (Free)
Free tierYes
HIPAA (BAA)
SOC 2
GDPR
Best forAPI-design

GitBook

$0/mo entry
Entry price$0/mo (Free)
Free tierYes
HIPAA (BAA)
SOC 2Yes
GDPRYes
Best forknowledge-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

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