shouldiuse.io

Comparison

Publicapis vs APIs.io

Publicapis and APIs.io both land on Worth it.

APIs.io

Worth it
Confidence: Medium

Buy if you need to find or catalog APIs . it is free, open source, and increasingly machine-readable for AI agents.

Publicapis versus APIs.io
ComparePublicapisAPIs.io
VerdictWorth itWorth it
Best forDevelopers hunting free APIsDevelopers hunting APIs by task
Who it's not forProduction teams needing SLA-backed, vetted APIsTeams needing an API gateway or management platform
PrivacyNo known public vulnerabilities found in the sources reviewed.⁶No known public vulnerabilities found in the sources reviewed.16
Support qualityNo support evidence in sourcesNo support evidence found
Public sentimentReddit developers consistently recommend it as the go-to starting point for finding free public APIs.²No independent user reviews found; public attention centers on LLM/agentic use and heavy traffic rather than buyer feedback.
Biggest gotchaListed APIs often require keys and impose rate limits . check each provider's terms⁵Listed API pricing comes from providers themselves . verify terms before committing15

Pick Publicapis when

  • Developers hunting free APIs
  • Side projects and prototypes
  • Hackathons and learning
  • Indie makers testing ideas

When Publicapis is not a fit

  • Production teams needing SLA-backed, vetted APIs
  • Non-technical buyers . it's a bookmark, not a product
  • Teams needing API testing, monitoring, or gateways
  • Anyone expecting maintained, guaranteed-working entries

Pick APIs.io when

  • Developers hunting APIs by task
  • AI agents needing machine-readable API discovery
  • Teams benchmarking API pricing and security
  • API providers wanting discoverability

When APIs.io is not a fit

  • Teams needing an API gateway or management platform
  • Buyers expecting vetted reviews or quality scores
  • Non-technical users wanting plug-and-play integrations
  • Enterprises needing SLA-backed vendor support

Sources

  1. official
  2. review
  3. review
  4. review
  5. news
  6. Product security pagepublicapis.dev
    official
  7. official
  8. news
  9. Submit to PublicAPIs.devscrolllaunch.com
    official
  10. official
  11. official
  12. official
  13. official
  14. official
  15. official
  16. security