Prompt
What should I use to verify API responses without writing code?
Latest observation
Oct 6, 2026
OpenAI APIWeb search: off
If you want to verify API responses without writing code, the best options are usually API testing tools with visual assertions:
Good no-code options
-
Postman
- Send requests and inspect responses visually
- Use the Tests tab for simple checks like status code, JSON values, headers, etc.
- Low-code, but still very approachable
-
Insomnia
- Similar to Postman
- Easy to view and manually validate responses
- Supports environment variables and simple checks
-
Hoppscotch
- Lightweight, browser-based, and easy for quick response verification
- Good for basic manual inspection
-
ReadyAPI / SoapUI
- Better if you want more formal API test validation and assertions
- More enterprise-oriented
If you want true no-code validation
Look for tools that support:
- Assertions / checks
- Saved examples
- Visual comparison
- Schema validation
- Automated monitors
Best simple recommendation
- For most people: Postman
- For more formal QA: SoapUI/ReadyAPI
- For lightweight manual checks: Hoppscotch
If you want, I can also recommend the best tool based on whether you’re testing REST, GraphQL, or SOAP.