Security & Identity: 91 free APIs
Authentication, authorization, malware scanning, cryptography and identity providers. Every record below links to its own documentation page.
- Listed
- 91
- No auth needed
- 22
- Full profiles
- 6
APIs in this category
91 of 91Rows marked ↗ have no reference page of their own — the source registry did not provide enough to write one — so they link straight to the provider's documentation.
Authentication
How the 91 records in this category authenticate callers. Values come straight from the source registries; records the sources do not describe are counted as unknown rather than guessed.
- API key 49
- No authentication 22
- Unknown 15
- OAuth 3
- Token 2
Also in Security & Identity: 242 MCP servers