Public APIs list
A collective list of free APIs for developers
What founders should know about Public APIs list
A community-curated, open-source list of over 1,400 free APIs organized across 50+ categories. One of the most popular projects on GitHub, used by developers to discover and integrate free APIs.
Best for
A collective list of free APIs for developers
Probably not for
Teams that need requirements this record cannot verify yet.
About Public APIs list
A community-curated, open-source list of over 1,400 free APIs organized across 50+ categories. One of the most popular projects on GitHub, used by developers to discover and integrate free APIs.
Common use cases
- discovering free APIs
- finding APIs by category
- API integration research
- building side projects
Decision criteria
- Team fit and workflow maturity
- Pricing model and free-tier constraints
- Deployment, API, and integration requirements
Verified facts and evidence
| Claim | Value | Source | Confidence |
|---|---|---|---|
| Verification date | 2026-06-30 | StartupToolbox | high |
| Pricing model | open_source | StartupToolbox | medium |
Methodology and freshness
A founder should be able to bookmark this page, compare the record with related options, and act without reopening scattered source tabs.
Use this record to narrow fit, pricing, and integration risk before starting trials.
Last reviewed: Jun 30, 2026
Who should consider Public APIs list?
A collective list of free APIs for developers
How current is this tool record?
Startup Atlas last checked this record on 2026-06-30.