Karapace vs SpecShield
| Karapace | SpecShield | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $89/mo |
| Open source | No | No |
| Platforms | api, self-hosted | api, extension, Web |
| Free plan | Yes | Yes |
| Contract formats | Avro, JSON Schema, Protobuf | OpenAPI (JSON/YAML), GraphQL |
| Consumer verification | No | Yes |
| Provider verification | No | Yes |
| Contract registry | Yes | Yes |
| AsyncAPI support | No | — |
| GraphQL support | No | Yes |
| Self-hosted deployment | Yes | Yes |
| Paid from | — | 75 /mo |
Both are listed in Best Contract Testing Tools. On Inferse, Karapace scores higher on our published basis.