1
added 2026
Freemium
Custom pricing
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4 API Documentation tools
Every listed tool supports API Documentation. No reader votes yet, so reviews and saves set the order. 3 have a free way in.
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4 data-backed ways into the list.
Top 4, side by side
The 4 most-voted tools on the facts readers ask about.
| Fact | #1 Postman | #2 DocuWriter | #3 Read the Docs | #4 Routebase |
|---|---|---|---|---|
| Reader votes | 0 | 0 | 0 | 0 |
| Rating | ||||
| Pricing model | Freemium | Paid | Freemium | Freemium |
| Starts at | Custom pricing | $49 per month | $50 per month | $11 per month |
| Free way in | Yes | No | Yes | Yes |
| Saves | 1 | 1 | 0 | 0 |
| Added | 2026 | 2026 | 2026 | 2026 |
What this costs
Here’s how all 4 tools break down by starting price.
Median entry price $49/moCheapest paid $11/moFree plan available 3 of 4
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Your tool, in front of 4 competitors
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All 4 tools
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Showing all 4 tools. No reader votes yet, so reviews and saves set the order, then A to Z.
2
added 2026
Paid
From $49 per month
3
added 2026
Freemium
Paid from $50 per month
4
Routebase
Cheapest
added 2026
Freemium
Paid from $11 per month
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Community Discussion
Which tool do you use for API Documentation, and why?
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4 questions
Common questions
Answers derived from the tools on this page.
How many API Documentation tools are there?
Siteefy's live index currently tracks 4 API Documentation tools, with 4 added in 2026. The count updates automatically as tools are published or retired.
Are there free API Documentation tools?
Yes. 3 offer a free plan alongside paid tiers.
How much do API Documentation tools cost?
Paid plans start at $11/mo (Routebase). Each row in the list above shows the tool's pricing model and starting price.
How is this API Documentation list ranked?
The list is waiting for its first reader votes. Voting on any tool creates the ranking, star ratings come from community reviews, and anyone can suggest a missing tool.