RPC Mock is an instant RPC mock service for developers, positioned around βFree, fast, ephemeral.β Users do not need to register or install anything: they can create a workspace, configure a mock, and obtain callable JSON-RPC or gRPC endpoints via API calls with curl. It is more like a lightweight, temporary, online RPC testing sandbox, suitable for replacing real services that are unfinished or inconvenient to call during development and testing.
In terms of features, RPC Mock focuses on the key parts of API mocking: isolated workspaces, standalone mocks, request logs, conditional response matching, priority-based routing, error simulation, and network latency simulation. For JSON-RPC, it supports 2.0 and batch requests. For gRPC, it supports server reflection, and the page emphasizes that there is no need to write proto files; calls can be made with grpcurl or any gRPC client. Conditional matching can return different responses based on method and parameters, making it suitable for covering test branches such as admin users, regular users, payment failures, and timeouts.
The page clearly states that the service is free and emphasizes no registration and no installation. The Quick Start examples are straightforward: create a workspace, create a mock, and call the mock in three steps. This makes it very easy to use. However, the page does not disclose free usage limits, rate limits, data retention policies, SLA, or paid plans. The workspace example includes ttl_hours, indicating that endpoints are relatively temporary in nature and should not be assumed to be suitable for long-term stable environments.
Its advantages are the extremely low startup cost and more direct support for RPC scenarios such as JSON-RPC and gRPC. Request logs, latency simulation, and error simulation can also improve integration debugging efficiency. The downside is limited transparency: it does not state whether it is open source, whether self-hosting is supported, or whether it offers authentication, team permissions, auditing, security compliance, or commercial support. The page also does not show information about SDKs, a CLI, a graphical dashboard, or complete API documentation.
It is suitable for frontend developers who want to work in parallel before the backend is finished, and for microservice teams that need to simulate external dependencies and test exceptional paths during integration testing. The scraped text does not provide information about access from China, so actual availability should be verified through network testing. If access is unstable, alternatives such as Mockoon, WireMock, MockServer, Postman Mock Servers, or Stoplight Prism may be worth considering, especially when self-hosting and a long-term controllable environment are required.
β This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on rpcmock.com official site.
rpcmock.com is an Unknown Dev Tools provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach rpcmock.com directly.