Requestly
Software testing tools
API design tools
API management tools
API platforms
Bug tracking software
Build automation software
Service virtualization software
API mocking software
DevOps software
CI/CD tools
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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$8 per member per month
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What is Requestly
Requestly is a developer tool for intercepting and modifying HTTP(S) traffic to help teams debug, test, and simulate API behavior in web applications. It is commonly used by frontend engineers, QA, and API developers to mock API responses, rewrite headers/URLs, and create test scenarios without changing backend services. The product is delivered primarily as a browser-based workflow (including browser extension usage) with rule-based traffic manipulation and sharing of configurations for repeatable testing.
Rule-based request/response overrides
Requestly provides configurable rules to modify requests and responses, such as URL rewrites, header edits, redirects, and response mocking. This supports testing edge cases (errors, latency, alternate payloads) without requiring backend changes. The approach is practical for rapid iteration during development and QA when compared with heavier-weight environments that require dedicated infrastructure.
Useful for frontend debugging
Because it operates at the HTTP layer, Requestly helps isolate client-side issues by controlling API behavior deterministically. Teams can reproduce bugs by sharing rule sets that standardize the network conditions and responses. This can reduce reliance on staging environments for certain classes of UI and integration testing.
Low setup for quick tests
Requestly can be adopted quickly for ad hoc testing since it does not require deploying a separate mock server for many scenarios. It fits well into developer workflows for troubleshooting third-party APIs and unstable test environments. This makes it a convenient complement to broader testing and monitoring toolchains rather than a replacement for them.
Not full API management
Despite being useful for API simulation, Requestly does not function as a complete API management or gateway platform with lifecycle governance, developer portals, quotas, and enterprise policy enforcement. Organizations looking for centralized API publishing and runtime controls typically need additional systems. As a result, it is better suited to development and testing workflows than production API operations.
Browser-centric limitations
Many use cases center on browser traffic interception, which can be less suitable for non-browser clients, mobile apps, or backend-to-backend integrations without additional setup. Some scenarios require network-level proxies or environment configuration that may be harder to standardize across teams. This can limit applicability for end-to-end testing across heterogeneous clients.
CI/CD integration may be limited
Compared with dedicated CI/CD and build automation tools, Requestly is not primarily designed to orchestrate pipelines, manage artifacts, or enforce release policies. Automating mocks consistently in headless or pipeline environments may require extra scripting and conventions. Teams may still need separate tooling for test execution, reporting, and defect tracking workflows.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Free | $0 (Free forever) | Requestly API Client: open-source; basic HTTP interception/modification, unlimited header modifications, limited mock endpoints/files; local-first client. |
| Lite | $8 per member/month | Includes all HTTP modification types, GraphQL modifications, overriding & stubbing API responses, script injection, unlimited header modifications, up to 5 API mocks (limited-time Lite offering). |
| Basic | $15 per member/month | Team-oriented features and expanded limits compared to Lite; includes collaboration and increased rule/mock/file limits. |
| Professional | $23 per member/month | Unlimited rules, groups, mock endpoints, and files; collaboration features, daily encrypted backups, priority support (Slack Connect, Email). |
| Enterprise | Custom pricing | Contact sales for enterprise features: SSO/SAML, SOC2/GDPR compliance, RBAC, API access, SLAs, invoice billing, dedicated support. |
