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CallFlow

visualstudio.comAPI design, testing & docs

No liveness check has reached it yet; it is registered on the VS Code Marketplace and has been in the index since 29 Sep 2026. How this is checked

CallFlow is a local VS Code extension for sending HTTP requests and storing request collections as plain files. Its Pro features capture, inspect, and replay application traffic, making it suitable for developers testing APIs and debugging local applications.

Inferred · not functionally tested

FreemiumWebWindowsmacOSLinux
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Overview

6 features

Purpose: Helps developers send, organize, inspect, and replay HTTP requests locally without accounts, servers, or telemetry.

Inferred · not functionally tested

Audience: developers and API testers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: freemium · license: Proprietary · platforms: WEB · deployment: browser, windows, macos, linux

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: unknown.

CallFlow is an API design, testing & docs project. Inferred · not functionally tested: It helps developers send, organize, inspect, and replay HTTP requests locally without accounts, servers, or telemetry. Inferred · not functionally tested: It is built as a B2B product for developers and API testers. Basis unknown · not verified: There is a free tier. Basis unknown · not verified: CallFlow is available on the web, Windows, macOS, and Linux.

Behind CallFlow is smallhours, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include HTTP Requests, Request Collections, and Plain-File Storage.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • HTTP Requests
  • Request Collections
  • Plain-File Storage
  • Traffic Capture
  • Traffic Inspection
  • Request Replay

Topics: Inferred · not functionally tested

Tags
rest-clienthttp-debuggertraffic-captureoffline-developmentvscode-extension

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserWindowsmacOSLinux

Trust & compliance

Public signals
HTTPSFree tierStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed29 Sep · 00:36 UTC
    CallFlow — REST client & HTTP debugger, local only seen via VS Code Marketplace
    Source: VS Code Marketplace · Open

Frequently asked questions about CallFlow

What does CallFlow do?
Inferred · not functionally tested: CallFlow helps developers send, organize, inspect, and replay HTTP requests locally without accounts, servers, or telemetry. It is catalogued under API design, testing & docs on PulseGate.
Who is CallFlow for?
Inferred · not functionally tested: CallFlow is a B2B product built for developers and API testers.
Does CallFlow have a free plan?
Basis unknown · not verified: Yes — there is a free tier, with paid plans for advanced use.
What platforms does CallFlow run on?
Basis unknown · not verified: CallFlow runs on the web, Windows, macOS, and Linux.
Is CallFlow still maintained?
Unverified. CallFlow has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who develops CallFlow?
CallFlow is developed by smallhours.
How long has CallFlow been around?
CallFlow first shipped in 2026.

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