Knockout API vs WireMock
Knockout API
useknockout.com
WireMock
wiremock.orgSide by side
| Figure | Knockout API | WireMock |
|---|---|---|
| Price from | $0.02/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 7 | 2 |
| Spec score · API Mocking Tools | 8.4 (#7) | 7.4 (#16) |
| Integrations | Official client options include Node, React, Python, and CLI, alongside REST and any HTTP client. | The project describes integration with JUnit and other testing frameworks, and offers Maven, Gradle, Scala SBT, standalone, and Docker getting-started options. |
| Purpose | Knockout provides image and video processing tools through a browser app and API. | WireMock simulates APIs and software dependencies so teams can test without those dependencies, simulate edge cases, and develop dependent features in parallel. |
| Security | The privacy policy says API tokens are SHA-256 hashed, passwords are managed by Supabase Auth using bcrypt, and traffic is encrypted via TLS. | WireMock Inc.’s trust center states that WireMock has attained SOC 2 Type 2 compliance and lists encryption in transit and at rest among its data security measures. |
| Support | The site lists community support for Free, email support for Pay-as-you-go, and Slack support for Volume. | The open-source project generally provides no support or guarantees under Apache License 2.0; users can seek community assistance, while WireMock Cloud Enterprise includes priority support with a guaranteed SLA. |
Plans
Knockout API
- FreeFree
- Pay-as-you-go$0.02 a month
- Knockout Plus$10 a month
- FreeFree
- Pay-as-you-go$0.02 a month
- Knockout Plus$10 a month
- VolumePriced on request
In their own words
Knockout API
Knockout API provides image and video processing through a browser app and API. Its image tools cover background removal and replacement, batch processing, masking, smart crop, stickers, outlines, shadows, and inpainting; the API also handles upscaling, portrait restoration, colorization, and object removal. Video background removal runs asynchronously, with job polling for progress. The browser Canvas supports layered designs with text and effects, and users can save canvases and cutouts to a free account. Developers can connect through REST, any HTTP client, or official Node, React, Python, and CLI options. The service says it manages GPU processing, endpoint updates, usage records, credentials, teams, and billing. Its privacy policy says uploaded images are processed in GPU worker memory, not retained after the response, and not used to train models. The Free plan is free, with 30 images per month and 60 requests per minute. Pay-as-you-go is $0.02 a month, with metered usage billed monthly; Plus is $10 a month. Paid tiers have no monthly cap and a 600-request-per-minute limit.
WireMock
WireMock simulates APIs and software dependencies so teams can test without live services, exercise edge cases, and build dependent features in parallel. It can match requests using URL patterns, headers, query parameters, cookies, and body content, then return templated responses or simulate delays, network faults, and malformed replies. It can also record interactions with real services and replay them during tests.
The project integrates with JUnit and other testing frameworks, with setup paths for Maven, Gradle, Scala SBT, standalone use, and Docker. Its documented capabilities cover HTTP-based protocols and REST, plus WebSockets, webhooks, HTTPS, gRPC, and GraphQL. WireMock Java is available as a standalone JAR, Docker image, experimental Helm chart, and NPM package; WireMock Cloud is another option. The Free plan costs nothing and includes 1,000 calls per month, one user, three mock APIs, and a 10 requests-per-second limit. Free and trial plans stop running mocks after their API quota is exceeded until the next quota cycle.