I released json-responder 1.1.0.
apimokka
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apimock-rs
HTTP(S) mock server. Drop JSON files into a folder and your API immediately exists.
apimock-rs (API Mock)
Build a working REST API in seconds — without a backend.
Frontend blocked by an unfinished backend
Need stable API responses for UI tests or offline development ?
Drop JSON files into a folder and your API immediately exists.
Mock APIs easily 🎈 — just JSON and go
If you’re building or testing APIs, this tool makes mocking painless. It’s super fast, efficient, and flexible when you need it to be. All you have to do to start up is just use folders and JSON without any config set.
- ❄️ Zero-config start.
- 🌬️ Fast to boot, light on memory.
- 🪄 File-based and rule-based matching. Scripting supported.
apimock-rs handles real project scale
As your project grows, your mock API grows, too. Large mock datasets often cause problems:
- Slow startup
- High memory usage
- Crashes during UI testing
- Unstable CI runs
When to use ?
- The backend is not…
This release contains new feature to resolve path dynamically when dyn_data_dir is activated.
It means the server automatically returns .json / .json5 responses under dyn_data_dir.
Supposed that there is:
json-responder-data (as `dyn_data_dir`)
├── a
│ └── b
│ └── c.json5
└── a.json
the responses at requests are:
| request path | response content |
|---|---|
| /a | a.json |
| /a/b | (HTTP 404) |
| /a/b/c | c.json5 |
Now you don't have to write in config all paths you want to use in API tests ☺

Top comments (1)
Renamed to apimock-rs. Now more than returning JSON data.
github.com/nabbisen/apimock-rs