Beeceptor
Webhook.site
Hoppscotch
MockServer
Mockoon
Request inspector
API Fortress
CurlHub.io
ForthWrite
ReclaimAI
Superhuman
Shortwave
Serif AI
Gemini
Gmail
LIAM
If you've ever found yourself stuck during software development because a micro-service or 3rd party API wasn't available, then API Mocking is the solution you've been looking for. Beeceptor is a versatile tool that can help you with many different API development use cases. Whether you need to create mock Rest APIs in seconds, inspect payloads of any HTTP request, or simulate latencies and timeouts, Beeceptor has got you covered. Here are just a few of the ways that Beeceptor can help you:
Mocking: With Beeceptor, you can easily build mock Rest APIs without any coding required. You can also customize responses to simulate various scenarios, such as API failures or edge cases.
UI development: Don't let backend APIs that are still in development block the UI development. Use Beeceptor to mock the APIs and keep your development process moving forward.
Webhooks & Local Tunnel: This allows you to expose a local server to the internet securely. This can be useful for testing APIs or webhooks that require a publicly accessible endpoint.
Dummy Data Generation: Beeceptor also has a powerful fake data generation engine that allows you to create fake data and make the APIs look realistic.
Service Virtualization: With Beeceptor, you can create virtual services that mimic the behavior of real systems or services. This can be useful for testing and development purposes, as well as for isolating and resolving issues in complex systems.
ForthWrite is an AI email writing assistant for Gmail and Outlook that learns your writing style from your real sent mail. The more you use it, the more it sounds like you. Get smart drafts in seconds, auto-draft replies before you open your inbox, and maintain your personal voice at scale. Free to start, no credit card required. Works inside Gmail and Outlook on the web.
How it works
ForthWrite captures your tone, sentence rhythm, and sign-offs from your actual sent emails, then uses that profile to generate drafts that match how you write, not a generic AI voice. Every draft you edit or send improves the model over time.
Key features
Who uses it
Professionals who send high volumes of relationship-critical email: lawyers, financial advisors, recruiters, account executives, founders, and anyone who wants their inbox handled without sounding like a chatbot wrote it.
Pricing
Free tier includes 10 drafts per week with no credit card required. Paid plans start at $12/month and include unlimited drafts, custom persona prompts, and auto-draft.
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Beeceptor's answer
Beeceptor stands out for its simplicity and ease of use, particularly for intercepting and mocking real-time HTTP and HTTPS requests without requiring code changes, extensive setup, new dependencies, etc.
ForthWrite's answer:
ForthWrite learns your writing style from your actual sent mail, not a generic prompt. Every draft sounds like you wrote it because it was trained on how you actually write. It also auto-drafts replies before you open your inbox, so your email is partially handled before your day starts.
Beeceptor's answer
Beeceptor's primary audience includes software developers, QA engineers, and product managers who are involved in the development and testing phases of web and mobile applications.
ForthWrite's answer:
Professionals who send high volumes of relationship-critical email and cannot afford to sound generic: lawyers, financial advisors, recruiters, account executives, consultants, and founders managing their own inbox.
ForthWrite's answer:
Next.js, React, Supabase, Anthropic Claude, OpenAI, Stripe, Vercel, Chrome Extensions API
ForthWrite's answer:
Most AI email tools give you a blank box and a "write for me" button. ForthWrite builds a voice profile from your sent history and gets more accurate with every draft you edit or send. Unlike ChatGPT or Gemini, it works natively inside Gmail and Outlook with no copy-paste. Unlike Lavender, it writes the draft, not just scores it.
ForthWrite's answer:
Built out of frustration with AI writing tools that produce text that sounds nothing like the person sending it, and as a way to handle large amounts of daily email. The core insight was that your sent mail is the best training data you already have, and no tool was using it.
I built ForthWrite because I kept sending emails that sounded like they came from the same generic AI as everyone else. After launching it, I still use it for my own inbox every day, which is about the most honest endorsement I can give.
The Chrome extension lives inside Gmail and Outlook on the web. Open a thread, hit Alt+Shift+D, and a draft comes back in your voice, not a template. The free tier is real: 10 drafts per week, no API key, no credit card. Voice matching is included on free, because that is the point.
What keeps it useful compared to Gemini or a chat tab: it learns from what you actually send. Every edit you make before hitting send becomes a signal. Over time the drafts drift closer to how you really write, and the dashboard shows the improvement curve so you can see it happening.
The web compose surface lets you draft from forthwrite.ai without installing anything, useful for people who want to try before committing to the extension.
Standard adds recipient-aware and intent-aware drafting plus AI coaching. Pro adds auto-draft (replies waiting when you open Gmail), batch replies, and Prompt Lab for version-controlling your prompts. Teams adds a shared persona and seat-level analytics.
ForthWrite is not for everyone. If you just need quick replies and tone does not matter, Gemini is free and already in your inbox. ForthWrite is for people where tone does matter: client communication, relationship-driven threads, external correspondence where sounding off costs something real.
Disclosure: I am the founder and use it daily. Happy to answer questions in the comments.
Based on our record, Beeceptor seems to be more popular. It has been mentiond 13 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Webhook.site exists. Beeceptor exists. Ngrok exists in this space. - Source: dev.to / 3 months ago
This is exactly where Beeceptorโs stateful mocking come in to transform your development workflow. You can implement real data persistence without requiring to set up a single database, instantly unblocking your frontend and QA teams. - Source: dev.to / 10 months ago
Visit Mockbin.io, Beeceptor or RequestBin and click "Create endpoint." These platforms instantly generate a unique URL that captures incoming HTTP requests. Copy the provided URL, something like https://your-webhook-endpoint.com/hook. - Source: dev.to / 11 months ago
Beeceptor: A no-code solution offering real-time request inspection and customizable responses. It's extremely easy to set up, making it perfect for quick prototyping. - Source: dev.to / over 1 year ago
Got nothing to do with spring. It means setting up something like: https://beeceptor.com/. Source: over 3 years ago
Webhook.site - Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
ReclaimAI - Helps users prioritize their work and personal calendars
Hoppscotch - Open source API development ecosystem
Superhuman - Superhuman is an email management tool.
MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.
Shortwave - Email smarter & faster with a reinvented experience for your Gmail