Karate
Open-source framework for API, UI and performance testing, with paid IDE plugins and an enterprise edition.
The best Apidog alternative is Karate (9.8/10), best for engineering teams that want code-based API tests in CI without a per-user client fee. Cheaper to start: Karate, Bruno, Hoppscotch. With a free plan: Karate, Postman, Bruno, Insomnia, Hoppscotch, Apache JMeter, Katalon Studio, REST Assured.
| Tool | Score | Free plan | Paid from (annual) | REST API testing | GraphQL testing | Load testing | API mocking | CI/CD integration |
|---|---|---|---|---|---|---|---|---|
| Apidog | 9.8/10 | Yes | $9/user/mo | Yes | Yes | Yes | Yes | Yes |
| Karate | 9.8/10 | Yes | $8.33/user/mo | Yes | Yes | Yes | Yes | Yes |
| Postman | 9.8/10 | Yes | $9/user/mo | Yes | Yes | Yes | Yes | Yes |
| Bruno | 9.4/10 | Yes | $6/user/mo | Yes | Yes | Not confirmed | Yes | Yes |
| Insomnia | 9.4/10 | Yes | $10/user/mo | Yes | Yes | Not confirmed | Yes | Yes |
| Hoppscotch | 8.9/10 | Yes | $6/user/mo | Yes | Yes | Not confirmed | Yes | Not confirmed |
| Apache JMeter | 8.8/10 | Yes | See vendor | Yes | Yes | Yes | Not confirmed | Yes |
| Katalon Studio | 8.7/10 | Yes | $150/user/mo | Yes | Yes | Not confirmed | Not confirmed | Yes |
| ReadyAPI | 8.1/10 | No | $549.92/user/mo | Yes | Yes | Yes | Yes | Yes |
| iceDQ | 7.8/10 | No | See vendor | Yes | Yes | Not confirmed | Not confirmed | Yes |
| REST Assured | 7.5/10 | Yes | See vendor | Yes | Not confirmed | Not confirmed | Not confirmed | Not confirmed |
Open-source framework for API, UI and performance testing, with paid IDE plugins and an enterprise edition.
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Open-source Java library for testing REST services.
Karate is the highest-scoring alternative (9.8/10), best for engineering teams that want code-based API tests in CI without a per-user client fee.
Karate (from $8.33/user/mo), Bruno (from $6/user/mo), Hoppscotch (from $6/user/mo) start cheaper than Apidog ($9/user/mo) on annual billing.
Yes: Karate, Postman, Bruno, Insomnia, Hoppscotch, Apache JMeter, Katalon Studio, REST Assured have free plans.