
Proxyman.io
Charles Proxy
mitmproxy
Surge for Mac
Fiddler
Weer
James
Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

Instantly.ai
Apollo.io
Reply.io
Mailshake
SmartLead.ai
Hunter.io
Snov.io
The prospecting tool to automate multichannel outreach & actually get replies.

Which is more popular?
Based on our record, HTTP Toolkit seems to be more popular. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | httptoolkit.com | lemlist.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Spain · 1 - 9 employees | Startup from France · 100 - 249 employees · 2018 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of HTTP Toolkit yet.
lemlist is the #1-ranked sales engagement platform on G2, used by 20,000+ B2B companies to run multichannel outbound at scale. It covers the full outbound workflow in a single tool: a 600M+ contact database, waterfall enrichment (80% email find rate across 8 providers), multichannel sequences...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
HTTP Toolkit Demo
Lemlist Review & Full Walkthrough + Tool For Automating & Personalizing Outreach Emails
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HTTP Toolkit and lemlist. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


HTTP ToolKit is an open-source tool for debugging. It works with the three main OS and has good features attached to it. Just with a click, it can intercept and view all your HTTP(s). Compared to others, it targets...
HTTP Toolkit supports standard HTTP debugger features including breakpoints & rewriting HTTP(S) traffic, filtering and searching collected traffic, and highlighting & autoformatting for many popular request & response...
For debugging, testing, and building APIs with HTTPs, you can effectively use HTTP Toolkit because it is built for this purpose. Also, this is the reason why it is known as a good Postman alternative for various...
What is the best MCP server for sales teams in 2026? toflow.ai is the most complete MCP server for sales in 2026, covering ICP search, account research, enrichment, sequence enrollment, and outreach across email,...
What is the best AI prospecting tool for B2B sales in 2026? The best tool depends on your team's specific situation. toflow.ai is a strong fit for multi-channel outreach across email, LinkedIn, and WhatsApp, and is...
Once you have logged in your account in Lemlist, you can set the number of emails you want to send each day, and the program will automatically begin to send and respond to emails. Lemwarm makes sure to reply to your...
Recommendations tracked on public social media and blogs since March 2021.


I can add certificates on my unrooted android. That how HTTPToolkit [0] works, it only requires adb, which (thankfully) doesn't trip banking apps. Banking apps can (and do iirc) pin certificates, so a rooted phone adds no risk... - Source: Hacker News / 8 months ago
For my rather simple needs I've been using https://httptoolkit.com free edition, I like that it launches a independent Firefox window on its own for the intercepting so I don't have to touch my working browser or deal with configuring a... - Source: Hacker News / 10 months ago
This one is truly a gem: https://httptoolkit.com It even bypasses SSL pinning on Android using 1 click. - Source: Hacker News / 10 months ago
Tracking lemlist since Mar 2021.
When comparing HTTP Toolkit and lemlist, you can also consider the following products.

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Build your own infinitely scalable cold email outreach system with Instantly.
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HTTP proxy / HTTP monitor / Reverse Proxy
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Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
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mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
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Reply.io is an AI-driven sales engagement platform that automates cold outreach through unlimited mailboxes, converts website traffic into booked meetings with AI Chat, and empowers your team to streamline the entire sales process with AI SDRs.
Compare Reply.io to HTTP Toolkit or lemlist: