Open Source API Client Website

Hoppscotch

Hoppscotch is an open-source API client and development ecosystem website for REST testing, GraphQL, realtime requests, collections, environments, authorization, and collaborative API workflows.

Official site
hoppscotch.io is the main public website for Hoppscotch.
Core use
Developers use Hoppscotch to create API requests, test endpoints, organize collections, manage environments, and collaborate on API work.
Project identity
The official site describes Hoppscotch as an open-source API development ecosystem that helps create requests faster.
Hoppscotch helps developers create, organize, test, and share API requests through an open-source API development interface.View site icon on Hoppscotch

Who is Hoppscotch?

Hoppscotch official site presents Hoppscotch as an open-source API development ecosystem. It is a developer tool for creating requests, testing APIs, organizing collections, managing environments, and working with API workflows in a fast browser-based interface.

API request testing

Hoppscotch is useful for the everyday loop of API development: build a request, adjust headers or parameters, send it, inspect the response, and repeat. That makes it a practical companion for backend developers, frontend developers, QA teams, support engineers, and anyone who needs to understand how an API behaves.

REST, realtime, and protocol workflows

Hoppscotch is often associated with RESTful API testing, but modern API clients usually need to support more than one style of communication. Hoppscotch documentation and product positioning include API testing workflows, collections, environments, and other tools that help developers work across different request types and service patterns.

Collections and environments

Collections let teams keep related requests together instead of rebuilding them from memory. Environments store reusable values such as base URLs, tokens, and variables, so the same request can move between local development, staging, and production contexts with less manual editing.

Open-source collaboration

Hoppscotch's open-source identity matters because API tooling often becomes part of a developer's daily workflow. An open project can be inspected, self-hosted, contributed to, and adapted by teams that care about transparency or want more control over how API requests are stored and shared.

Who uses Hoppscotch

Hoppscotch is relevant to developers, students, API platform teams, QA testers, technical support, developer relations, and small teams that need a lightweight way to test APIs. It is especially appealing when a browser-based, open-source API client fits better than a heavier desktop or enterprise workflow.

Limits and interpretation

An API client can make requests easier to test, but it does not replace API design, documentation, or automated test coverage. Teams still need clear schemas, examples, authorization guidance, versioning rules, and reliable CI checks. Saved requests are most valuable when they are curated and kept current.

Why it matters

APIs are easier to build and teach when requests are visible, repeatable, and shareable. Hoppscotch matters because it gives developers a quick, open way to explore API behavior and turn one-off experiments into reusable request knowledge.

WHOIS domain data

Data pulled: May 23, 2026View current WHOIS record

Domain
hoppscotch.io
IP address
216.150.1.1
Registrar
NameCheap, Inc.
WHOIS server
whois.namecheap.com
Referral URL
https://www.namecheap.com/
Created
August 9, 2020
Updated
July 10, 2025
Expires
August 9, 2026
Nameservers
ns1.vercel-dns.com (198.51.44.13); ns2.vercel-dns.com (198.51.45.13)
Domain status
clientTransferProhibited
Contact privacy
Registrant, admin, and technical contacts are redacted through Withheld for Privacy ehf in Reykjavik, Capital Region, IS.