Requestly

Name: Requestly
Brand: Requestly
Rating: 4.7 (5 reviews)

AI Native

Because your APIs shouldn’t ruin your day. Loved by 300K+ devs who’ve been there

Est 2021|Valuation $1.8M|Raised $130K

LinkedIn 8K|Web traffic 103K|FTEs 13|HQ San Francisco, California, US

Published Aug 26, 2026

01Common complaints

Choose alternatives when: 1. You need a standardized enterprise API platform with formal governance and a widely adopted internal skill base — consider Postman. 2. Your primary requirement is deep network proxy debugging across many apps/protocols (not primarily browser-focused) — consider Charles Proxy, Fiddler Everywhere, or Proxyman. 3. You are extremely price-sensitive and only need basic API calling/testing — consider free/open alternatives and validate current vendor pricing and feature tiers. 4. You cannot accept the risk of accidental interception of sensitive traffic without strong governance and auditing — consider approaches that do not require local interception or negotiate stronger enterprise controls.

Deal disqualifiers (poor fit)

Environments that prohibit installing local interception tools or browser extensions
Use cases that require deep system-wide capture across many non-browser apps where classic network proxies are preferred
Buyers that require a large volume of independent enterprise reviews prior to procurement

Limitations surfaced in community and documentation

Community feedback frequently raises concerns about pricing and which features are gated behind paid plans.
Enterprise adoption can be constrained by organizational policies that restrict installing local interception tools or browser extensions.
Some users express concerns about whether intercepted traffic is uploaded or otherwise exposed; buyers should validate data handling practices and request documentation.

Vendor-acknowledged / technical constraints

Some browser extension features are limited compared with classic proxy workflows (for example, certain mapping/import features may not be fully supported in browser-extension mode).

Roadmap notes

Publicly available roadmap details were limited in the captured materials. Post-acquisition messaging indicates planned integration or development activity, but buyers should request a vendor roadmap or product plan for specifics.

02Why they buy

Observed in user feedback and product positioning

Provides a combined set of capabilities (browser-native interception, rule-based modifications, and API mocking) that some teams find expedient for browser-centric development and QA workflows.
Enables deterministic modifications of third‑party API behavior in local test environments, which some QA teams report reduces flakiness in test suites.
The product has an open-source component on GitHub, which can be relevant for extensibility and inspection.

Where competitors have clear advantages

Postman: broad enterprise ecosystem, integrations, and governance features.
Charles/Proxyman/Fiddler: deeper protocol-level debugging and system-wide capture for non-browser scenarios.

03Field reports

Review platforms (G2 / TrustRadius / extension stores)

- G2 contains self-reported reviews that include positive qualitative statements about the product and customer support; some reviewers described customer support as "excellent." These are self-reported reviews and should be interpreted accordingly. - TrustRadius had limited review volume for Requestly at the time of this research pass. - Browser extension store listings and third-party extension aggregators include mixed ratings and varied user comments describing both positive value and user concerns.

Community / social feedback (Reddit)

Community discussions contain both affirmative and critical themes:

Positive themes reported by users include faster debugging and useful mocking capabilities; one user described an improved debugging experience.
Negative or skeptical themes include frustration about changes to product access or pricing, enterprise adoption friction (where installing unapproved tools is restricted), and privacy/trust concerns about interception of browser traffic.

Why customers used Requestly

Community feedback and usage notes indicate the following practical motivators:

Allowing frontend development to proceed when backend endpoints are incomplete by using local mocks
Modifying requests/responses in-browser without full proxy or server-side changes
Desktop app for system-level interception in cases where broader traffic capture is required

Why some customers stop using or avoid Requestly

Commonly cited avoidance or churn drivers in community discussions include:

Pricing and feature gating (users reporting that some features are only available on paid plans)
Organizational constraints (preference for or requirement to use incumbent tools such as Postman in regulated environments)
Concerns about intercepted traffic and whether sensitive data could be uploaded or otherwise exposed

What’s available publicly

Available materials are primarily vendor-authored blog posts and community anecdotes describing use cases such as API testing and local mocking. Independently verified enterprise case studies with quantified ROI were not found in the captured sources for this pass.

Critical evaluation of outcome claims

Vendor-authored case descriptions and testimonials present qualitative outcomes (for example, time savings or reduced blocker incidents). These materials generally do not include detailed methodologies, third-party validation, or reproducible metrics; therefore, outcome claims should be validated by buyers through pilot projects and direct vendor references.

04Best fit

Company sizes

Small to mid-market organizations that value rapid developer/QA iteration and can adopt new tooling quickly.
Enterprise teams may adopt Requestly where security controls and procurement requirements can be satisfied, but some enterprise buyers may face additional approval barriers.

Industries / verticals

SaaS/web applications, developer tools, e-commerce, AdTech, and other web-first product teams.

Roles & personas

Frontend engineers who need to proceed while backend work is incomplete
QA/SDET engineers who require deterministic test behavior
Developer productivity or platform teams managing developer tooling

Qualification criteria (good fit)

Significant reliance on web APIs with frequent contract changes
Need to simulate failures, latency, or edge cases quickly without backend changes
Teams comfortable with local tooling and disciplined rule management

05The pitch

What the product does (objective value proposition)

Requestly is a developer tool that provides the following capabilities: - **HTTP interception & modification** (redirect/replace URLs, edit headers, modify request/response bodies, delay/cancel requests, script injection) - **API mocking** (simulate API responses/endpoints) - **API client & testing features** (collections, environments, scripts, imports from tools like Postman) It is delivered as a browser extension plus a desktop application that can act as a local proxy for broader traffic interception. Requestly is intended to reduce frontend dependencies on backend readiness, support debugging activities, and allow teams to test edge cases and production-like scenarios without deploying backend changes.

Target market and market positioning

**Primary users**: frontend engineers, QA engineers, SDETs, full-stack engineers, and developer productivity teams. **Common environments**: - Web application development where API contracts are evolving - QA testing that requires deterministic behavior for third‑party APIs - Debugging network and script issues in complex staging/production environments - Teams seeking a tool that combines features of API clients and HTTP interceptors Requestly competes with both API clients (e.g., Postman, Insomnia) and HTTP debugging proxies/interceptors (e.g., Charles Proxy, Fiddler, Proxyman, HTTP Toolkit).

Get a comprehensive analysis of Requestly including market position, competitive landscape, adoption trends, and peer benchmarks.

Download full report →

Published Aug 26, 2026

01Common complaints

Choose alternatives when:

You need a standardized enterprise API platform with formal governance and a widely adopted internal skill base — consider Postman.
Your primary requirement is deep network proxy debugging across many apps/protocols (not primarily browser-focused) — consider Charles Proxy, Fiddler Everywhere, or Proxyman.
You are extremely price-sensitive and only need basic API calling/testing — consider free/open alternatives and validate current vendor pricing and feature tiers.
You cannot accept the risk of accidental interception of sensitive traffic without strong governance and auditing — consider approaches that do not require local interception or negotiate stronger enterprise controls.

Deal disqualifiers (poor fit)

Environments that prohibit installing local interception tools or browser extensions
Use cases that require deep system-wide capture across many non-browser apps where classic network proxies are preferred
Buyers that require a large volume of independent enterprise reviews prior to procurement

Limitations surfaced in community and documentation

Community feedback frequently raises concerns about pricing and which features are gated behind paid plans.
Enterprise adoption can be constrained by organizational policies that restrict installing local interception tools or browser extensions.
Some users express concerns about whether intercepted traffic is uploaded or otherwise exposed; buyers should validate data handling practices and request documentation.

Vendor-acknowledged / technical constraints

Some browser extension features are limited compared with classic proxy workflows (for example, certain mapping/import features may not be fully supported in browser-extension mode).

Roadmap notes

02Why they buy

Observed in user feedback and product positioning

Provides a combined set of capabilities (browser-native interception, rule-based modifications, and API mocking) that some teams find expedient for browser-centric development and QA workflows.
Enables deterministic modifications of third‑party API behavior in local test environments, which some QA teams report reduces flakiness in test suites.
The product has an open-source component on GitHub, which can be relevant for extensibility and inspection.

Where competitors have clear advantages

Postman: broad enterprise ecosystem, integrations, and governance features.
Charles/Proxyman/Fiddler: deeper protocol-level debugging and system-wide capture for non-browser scenarios.

03Field reports

Review platforms (G2 / TrustRadius / extension stores)

G2 contains self-reported reviews that include positive qualitative statements about the product and customer support; some reviewers described customer support as "excellent." These are self-reported reviews and should be interpreted accordingly.
TrustRadius had limited review volume for Requestly at the time of this research pass.
Browser extension store listings and third-party extension aggregators include mixed ratings and varied user comments describing both positive value and user concerns.

Community / social feedback (Reddit)

Community discussions contain both affirmative and critical themes:

Positive themes reported by users include faster debugging and useful mocking capabilities; one user described an improved debugging experience.
Negative or skeptical themes include frustration about changes to product access or pricing, enterprise adoption friction (where installing unapproved tools is restricted), and privacy/trust concerns about interception of browser traffic.

Why customers used Requestly

Community feedback and usage notes indicate the following practical motivators:

Allowing frontend development to proceed when backend endpoints are incomplete by using local mocks
Modifying requests/responses in-browser without full proxy or server-side changes
Desktop app for system-level interception in cases where broader traffic capture is required

Why some customers stop using or avoid Requestly

Commonly cited avoidance or churn drivers in community discussions include:

Pricing and feature gating (users reporting that some features are only available on paid plans)
Organizational constraints (preference for or requirement to use incumbent tools such as Postman in regulated environments)
Concerns about intercepted traffic and whether sensitive data could be uploaded or otherwise exposed

What’s available publicly

Critical evaluation of outcome claims

04Best fit

Company sizes

Small to mid-market organizations that value rapid developer/QA iteration and can adopt new tooling quickly.
Enterprise teams may adopt Requestly where security controls and procurement requirements can be satisfied, but some enterprise buyers may face additional approval barriers.

Industries / verticals

SaaS/web applications, developer tools, e-commerce, AdTech, and other web-first product teams.

Roles & personas

Frontend engineers who need to proceed while backend work is incomplete
QA/SDET engineers who require deterministic test behavior
Developer productivity or platform teams managing developer tooling

Qualification criteria (good fit)

Significant reliance on web APIs with frequent contract changes
Need to simulate failures, latency, or edge cases quickly without backend changes
Teams comfortable with local tooling and disciplined rule management

05The pitch

What the product does (objective value proposition)

Requestly is a developer tool that provides the following capabilities:

HTTP interception & modification (redirect/replace URLs, edit headers, modify request/response bodies, delay/cancel requests, script injection)
API mocking (simulate API responses/endpoints)
API client & testing features (collections, environments, scripts, imports from tools like Postman)

It is delivered as a browser extension plus a desktop application that can act as a local proxy for broader traffic interception. Requestly is intended to reduce frontend dependencies on backend readiness, support debugging activities, and allow teams to test edge cases and production-like scenarios without deploying backend changes.

Target market and market positioning

Primary users: frontend engineers, QA engineers, SDETs, full-stack engineers, and developer productivity teams.

Common environments:

Web application development where API contracts are evolving
QA testing that requires deterministic behavior for third‑party APIs
Debugging network and script issues in complex staging/production environments
Teams seeking a tool that combines features of API clients and HTTP interceptors

Requestly competes with both API clients (e.g., Postman, Insomnia) and HTTP debugging proxies/interceptors (e.g., Charles Proxy, Fiddler, Proxyman, HTTP Toolkit).

Get a comprehensive analysis of Requestly including market position, competitive landscape, adoption trends, and peer benchmarks.

Download full report →