“Postman is probably the closest match to what you're describing.”
“It provides a unified API client where you can create, send, inspect, and debug requests across multiple protocols without switching applications.”
“Protocol | Support REST / HTTP | Yes GraphQL | Yes gRPC | Yes SOAP | Yes WebSocket | Yes”
“- Send requests and inspect responses.”
“- Inspect headers, payloads, status codes, and response times.”
“- Configure authentication and authorization.”
“- Save requests into reusable collections.”
“- Write JavaScript tests and chain requests.”
“- Inspect streaming messages for gRPC and WebSocket.”
“It explicitly covers all five protocols you listed in one application, with SOAP handled through HTTP requests containing XML.”
“- Insomnia – another popular API client, particularly for REST and GraphQL.”
“- Insomnia – another popular API client, particularly for REST and GraphQL.”
“- Bruno – lightweight, Git-friendly API testing client.”
“- Bruno – lightweight, Git-friendly API testing client.”