APITect is your contract-first, AI-powered alternative to Requestly
Requestly is a great traffic interceptor and lightweight debugging tool. APITect is a full contract-first API platform built to automate schema generation, dynamic mocks, real-time validation, and everything Requestly intentionally skips.
Fast & Lightweight
Optimized for quick debugging and in-browser traffic manipulation.
In-Browser Interceptor
Perfect for intercepting, rewriting, and replaying requests.
Quick Mocks & Overrides
Override responses instantly for temporary testing needs.
Team & Local Workspaces
Local-first workspaces with optional team sync and Git integration.
It's FREE. No credit card required.
Key Differences
Requestly
Requestly isn't an API design or contract platform — it's a traffic manipulation tool built for debugging and temporary overrides. If your team needs real API contracts, dynamic mocks, schema evolution, or automated validation, Requestly simply isn't designed for that.
APITect
APITect replaces patch-based debugging with a clean, automated, contract-driven workflow. AI-powered, design-first API platform with JSON → schema generation, dynamic mocks, and real-time validation.
| Capability | APITect | Requestly |
|---|---|---|
| AI-driven contract schema generation | ✔ Built-in | ✘ Not designed for contracts |
| Dynamic, rule-based mocking | ✔ Contract-aware | ! Simple overrides |
| Real-time contract validation | ✔ Automated | ✘ No validation |
| Contract-first development workflow | ✔ Core feature | ✘ Traffic manipulation focus |
| API schema evolution | ✔ AI-powered | ✘ Not applicable |
| Traffic interception & debugging | ! Basic support | ✔ Excellent |
| Request/Response rewriting | ✘ Not the focus | ✔ Core feature |
| Frontend debugging | ✘ Backend focused | ✔ Primary use case |
| API documentation | ✔ Auto-generated | ✘ Not applicable |
| Team collaboration for APIs | ✔ Built for teams | ! Limited to debugging |
| Temporary overrides & experiments | ✘ Permanent solutions | ✔ Perfect for this |
Requestly manipulates API traffic. APITect designs, validates, and automates real APIs.
Who Each Tool Is Best For
These tools serve completely different purposes in the development workflow.
APITect is built for:
- Backend engineers building and evolving real APIs
- Teams running contract-first development
- QA teams needing stable, predictable mocks
- Companies wanting automated schema evolution
- Fast-moving teams who care about consistency and accuracy
Requestly is built for:
- Frontend engineers debugging UI flows
- Developers needing temporary traffic rewrites
- Quick mocking for demos or testing
- Local overrides during development
- Lightweight, browser-based experiments
Requestly helps you fake API behavior. APITect helps you define and scale API behavior.
Move From Requestly's Temporary Overrides to APITect's Contract-Driven Workflow
Requestly is ideal for debugging. APITect is ideal for building the actual API.
- Import JSON → get a fully AI-generated schema
- Convert examples into dynamic, contract-aware mocks
- Real-time validation for every endpoint
- Predictable environments instead of rule-based overrides
- Automated schema evolution using AI
Final Recommendation
If your workflow is frontend debugging or traffic rewriting, Requestly is excellent at that job.
But if your workflow depends on:
- Contracts
- Mocks
- Schema Evolution
- Automated Validation
- Documentation
- Collaboration
- Versioning
- Role-based Access
Requestly isn't even in the same category.
Requestly manipulates requests. APITect defines and accelerates APIs.
This isn't a "switch" — it's a shift to real API engineering. Once teams adopt contract-first workflows, tools like Requestly stop being part of the equation.
AI-Powered,
Design-First
API Platform
Ship APIs 3x faster with AI-powered contracts, instant mocks, and live validation.