Visual drag-and-drop REST API tester—no code, instant results for students.
Students are overwhelmed by complex Postman alternatives with steep learning curves when seeking simple, free tools for REST API learning.
RestViz lets beginners build API requests visually with drag-and-drop blocks for methods, headers, and bodies. It provides syntax highlighting and AI-powered error fixes tailored for learning. Free tier covers basics, pro adds history and templates.
Beginner computer science students or aspiring developers learning REST APIs
Purely visual interface eliminates syntax errors, perfect for visual learners.
supportive
Visual blocks for requests
Real-time JSON/body editing
AI tips on common mistakes
Save and rerun requests
Tree view for JSON responses
Pre-built common APIs
Eye-friendly coding
Public request shares
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| preferences | jsonb | Yes |
| created_at | timestamp | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| name | text | No |
| config | jsonb | No |
| last_response | jsonb | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| name | text | No |
| config | jsonb | No |
| views | int | No |
/api/requestsSave new request
/api/requests/:idLoad request
/api/templatesList templates
/api/executeProxy API call
10 saves/day
None
None
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 150 | 1.5% | $45 | $540 |
| Month 6 | 1,200 | 2.5% | $600 | $7,200 |
Perfect for students: drag, drop, learn REST with instant visual feedback.
Run Typeform survey in CS Facebook groups; offer free Pro to first 50 responders; cold email bootcamp instructors for class trials.
Plugin ecosystem
Code-heavy UI
100% visual for beginners
Collaborative
Text-based
Visual learning focus
AI-enhanced templates dataset grows with usage
No-code trend + AI tutors make visual tools timely for edtech
AI costs overrun
Cache responses, limit free
Preference for text tools
A/B test visuals
Success: 100 emails
Success: Positive NPS >7
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