API Clients & Testing
Postman alternatives, Bruno, Hoppscotch
Showing 1-20 of 2,769 projects
public-apis/public-apis
A collective list of free APIs for developers, including API clients and testing tools.
gin-gonic/gin
Gin is a high-performance Go web framework for building APIs and web apps
hoppscotch/hoppscotch
Open-source API development ecosystem for building, testing, and managing APIs
protocolbuffers/protobuf
Protocol Buffers for structured data serialization
OpenBB-finance/OpenBB
Financial data platform for analysts, quants, and AI agents
grpc/grpc
gRPC is a high-performance RPC framework for building connected systems.
FuelLabs/fuels-rs
Rust SDK for Fuel Network for contract dev & testing
Kong/kong
API and AI Gateway for microservices and LLM traffic
colinhacks/zod
TypeScript-first schema validation with static type inference
apache/dubbo
Apache Dubbo is a Java-based RPC and microservice framework for building distributed systems.
usebruno/bruno
Open-source IDE for API exploration and testing
wg/wrk
Modern HTTP benchmarking tool for generating significant load on servers
Kong/insomnia
Open-source API client for debugging, designing, testing, and mocking APIs with cross-platform support and multiple storage options.
BerriAI/litellm
Python SDK and Proxy Server for calling 100+ LLM APIs with cost tracking and guardrails
xyflow/xyflow
A powerful open source library for building node-based UIs with React or Svelte.
zxing/zxing
ZXing barcode scanning library for Java and Android
openai/openai-python
Official Python library for OpenAI API with type definitions and async clients
songquanpeng/one-api
LLM API management & distribution system with unified API for multiple models
encode/django-rest-framework
Web APIs for Django
python-telegram-bot/python-telegram-bot
Python wrapper for Telegram Bot API
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