| Price from | ₹1,499/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | Yes |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 3 | 2 |
| Spec score · API Documentation Tools | 8.2 (#7) | 8.9 (#1) |
| Audience | Endrel identifies front-end developers, back-end engineers, QA engineers, and tech leads on product teams shipping APIs as its intended users. | both |
| Integrations | The maker lists OpenAPI, Swagger, and Postman as supported import formats; no other integrations are stated on the pages reviewed. | Listed integrations include PostHog, Google Analytics, Segment, Mixpanel, FullStory, Intercom, Postman, and Context7. |
| Security | The privacy policy says safeguards include encryption in transit and access controls, and notes it cannot guarantee absolute security. | Fern's trust center lists SOC 2 Type II, GDPR, and CCPA and provides access requests for its SOC 2 report, penetration test summary, and information security policy. |
| Support | The privacy policy lists [email protected] for questions, requests, and support inquiries. | The Enterprise plan includes dedicated support and an uptime SLA. |
