# BlockPostman

> Test APIs, debug smart contracts, and inspect blockchain interactions directly in your browser.

Canonical page: [https://chrome-stats.com/d/blockpostman](https://chrome-stats.com/d/blockpostman)

## Overview

- **ID:** `blockpostman`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** mehrdad javadi
- **Category:** web-development,privacy-security,tabs
- **Daily users:** 7
- **Weekly downloads:** 2
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0.1
- **Last updated:** 2025-11-25
- **First published:** 2025-11-21
- **Size:** 85 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/blockpostman/)
- **Website:** [https://github.com/mehrdaddjavadi](https://github.com/mehrdaddjavadi)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/blockpostman/privacy/](https://addons.mozilla.org/firefox/addon/blockpostman/privacy/)

## Description

BlockPostman is a powerful browser extension for developers working with APIs and blockchain technology.

Features:
• API Testing - Send requests, inspect responses, debug endpoints
• Blockchain Integration - Debug smart contracts and blockchain interactions
• Request History - View and reuse previous requests
• Multiple Networks - Support for various blockchain networks
• Developer Tools - Full request/response inspection with formatting

Perfect for web3 developers, blockchain engineers, and API developers. No account required. All data stays local in your browser.

## Rankings

- #38,759 — Overall
- #109 — blockchain
- #175 — debug

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/blockpostman)