API Documentation Tools · true cost · Updated June 2026
The true cost of API documentation tools
What you'll actually pay. Of the 10 API documentation tools tools we track, 2 publish no self-serve price (quote-only), 1 charge usage overages. Here's every tool's entry price and its hidden-cost flags — each linked to its sourced record.
The hidden-cost picture
- No public price: 2 of 10 are quote-only (contact sales).
- Usage overages: 1 charge for going over plan limits.
- Cheapest published: Redocly from $10/mo.
- No overage or setup fee: Redocly, Apidog, Bump.sh, Stoplight, ….
As of · re-verified with each catalog refresh
API Documentation Tools — entry price & hidden-cost flags
| Tool | Entry price | Usage overages | Setup fee |
|---|---|---|---|
| Redocly | $10/mo | — | — |
| Apidog | $12/mo | — | — |
| Bump.sh | $50/mo | — | — |
| Stoplight | $56/mo | — | — |
| GitBook | $65/mo | — | — |
| Scalar | $72/mo | — | — |
| Theneo | $150/mo | — | — |
| ReadMe | $250/mo | — | — |
| Document360 | Quote-only | — | — |
| Mintlify | Quote-only | Yes | — |
Prices and fee terms re-verified with each catalog refresh. Last catalog update 2026-06-15. "Quote-only" means the vendor publishes no self-serve price.
Frequently asked questions
Does API documentation tools have hidden fees?
Across the 10 API documentation tools tools we track: 2 publish no self-serve price (quote-only), 1 charge usage overages. As of 2026-06-15.
What is the cheapest API documentation tool with published pricing?
Redocly, from $10/mo. Verified 2026-06-15.
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