No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- Assertible
Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.
Since 2016
Uptime and monitoring · Developers
- HTTPie
A friendly client for sending and testing HTTP API requests, available in the browser, as a desktop app and in the terminal.
Developer tools · Developers
- Callosum
Desktop app for designing, calling and documenting APIs that keeps an OpenAPI spec in sync, offline with no login.
Since 2024
Free trial · Developer tools · Developers
- Skybear.NET
Hosted service that runs scripted HTTP API tests on a schedule or in CI so teams know their endpoints still work.
Since 2024
Uptime and monitoring · Developers
- InstantCLI
Builds a command line tool for your API from its docs, with binaries, install scripts and updates, so AI agents can use it.
Since 2026
Developer tools · Developers
- Beeceptor
Spin up hosted mock servers from OpenAPI, SOAP, GraphQL or gRPC specs so teams can test without the real backend.
Since 2025
Free plan · Developer tools · Developers
- APIndex
A catalog engineering teams host themselves to collect REST and SOAP specs, see which services depend on which, and try out endpoints.
Since 2026
Subscription · Developer tools · Developers
- Karve HTTP Client
Offline Windows app for developers that gathers .http and .rest request files from their projects and lets them run and check each call.
Since 2026
One-off payment · Developer tools · Developers
- Voiden
An offline desktop app for designing, testing and documenting APIs as Markdown files kept in your Git repo.
Since 2025
Developer tools · Developers
- SpecShield
Compares your OpenAPI spec on each pull request and blocks merges that would break the services using your API.
Since 2026
Free plan · Developer tools · Developers
- Pitch31
Upload an OpenAPI or Postman file to get a chat agent that lets your users run your software's actions in plain language.
Since 2025
Free plan · Developer tools · Software companies
- Qodex
Runs API, interface and security checks on each pull request and reports genuine failures, so engineering teams catch bugs before merge.
Since 2025
Developer tools · Developers
- Octri
Generates API docs, client libraries in ten languages and an MCP server from your OpenAPI file, plus usage monitoring, for API providers.
Since 2026
Free plan · Developer tools · Developers
- Routebase
Keeps API specs, mock servers, tests and published docs in step from a single spec, for software teams.
Since 2026
Free plan · Developer tools · Developers
- redirs
Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.
Free plan · Website builders
- DollarDeploy
Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.
Since 2026
Free plan · Developer tools · Developers
- Decoy
A native Mac app for developers to set up local mock endpoints, inspect incoming requests and test webhooks and API failures.
Since 2026
Developer tools · Developers
- Scalar
Turns an OpenAPI file into hosted API docs, client SDKs and an MCP server for software companies.
Developer tools · Developers
- Hoppscotch
Build, test and share API requests with your team in shared workspaces, on the hosted cloud or your own servers.
Developer tools · Developers
- Apicat
Offline API testing app that saves requests as .http files you can keep in Git, and imports Postman collections.
Since 2025
Free · Developer tools · Developers
- Keploy
Records real API traffic and replays it as tests with mocked dependencies so teams catch regressions in CI.
Developer tools · Developers
- DevTools
Record browser traffic and turn it into multi-step API tests stored as YAML that run in CI pipelines.
Since 2024
Developer tools · Developers
- Reqable
Desktop and mobile app that captures HTTP and HTTPS traffic and lets developers test REST APIs, with filters and diffing.
Developer tools · Developers
- Treblle
Watches live API traffic so engineering teams can see usage, catch problems and enforce API standards.
Uptime and monitoring · Developers
- Appliku
Sets up and manages your own cloud server to deploy Django apps, with a dashboard, CLI and API.
Since 2021
Free plan · Developer tools · Developers
- Mocklets
Lets development and QA teams stand up mock HTTP APIs with switchable responses to test apps before the real API exists.
Free plan · Developer tools · Developers
- Kreya
Desktop app for calling and testing gRPC, REST, GraphQL and WebSocket APIs, storing requests as files in Git.
Since 2022
Free plan · Developer tools · Developers